Issue 1 - Volume 2585 - Journal of Physics: Conference Series

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288 416 288c17.7 0 32-14.3 32-32s-14.3-32-32-32l-306.7 0L214.6 118.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0l-160 160z"/></svg>Previous issue</a> <a href="/issue/1742-6596/2574/1" class="ml-1">Next issue<svg aria-hidden="true" class="fa-icon fa-icon--right" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="M438.6 278.6c12.5-12.5 12.5-32.8 0-45.3l-160-160c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L338.8 224 32 224c-17.7 0-32 14.3-32 32s14.3 32 32 32l306.7 0L233.4 393.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l160-160z"/></svg></a> </p> <h4 class="mb-05">The Sixth International Conference on Physics, Mathematics and Statistics (ICPMS 2023) 20/05/2023 - 22/05/2023 Online</h4> <p> Accepted papers received: 22 August 2023 <br> Published online: 11 September 2023 </p> </div>   <p id="jnl-issue-disp-links" class="cf"> <button data-reveal-label-alt="Close all abstracts" class="reveal-all-trigger mr-2 small" data-reveal-text="Open all abstracts" data-link-purpose-append="in this issue" data-link-purpose-append-open="in this issue">Open all abstracts<span class="offscreen-hidden">, in this issue</span></button> </p>   <form id="articles" method="post" action="" class="article-list-form"> <input type="hidden" name="issn" value="1742-6596" /> <input type="hidden" name="volume" value="2585" /> <input type="hidden" name="issue" value="1" /> <div class="art-list" id="wd-jnl-issue-art-list"> <h3 class="bdt-6 bd-grey-tint mb-1"> Preface</h3>  <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">011001</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/011001" class="art-list-item-title"> Preface </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Wanyang Dai</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="Preface" data-link-purpose-append-open="Preface">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/011001/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Preface</span> </a> <a href="/article/10.1088/1742-6596/2585/1/011001/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Preface</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>ICPMS (International Conference on Physics, Mathematics and Statistics) is an annually held conference for all researchers at home and abroad since 2018, aiming to provide a good platform for scholars and researchers in the field of physics, mathematics and statistics to discuss the latest developments and achievements, work out good solutions, and make contributions.</p><p>The 6th International Conference on Physics, Mathematics, and Statistics (ICPMS 2023) was held online from May 20 to 21, 2023 for academic exchanges and discussions.</p><p>There were over 30 participants from 4 different countries and regions, including China, Brazil, and Malaysia, attending ICPMS2023. The conference program was divided into 3 sessions: keynote speeches, oral presentations, and poster presentations. We greatly appreciate Prof. Wanyang Dai from Nanjing University, who presided over the conference, and all participants for attending and sharing!</p><p>We are honored to invite 6 experts to give impressive keynote speeches: Professor Rongming Wang from Beijing University of Science and Technology, China; Prof. Le Fang from Beihang University, China; Prof. Fujun Zhang from Beijing Jiaotong University, China; Prof. Jianhua Zeng from University of Chinese Academy of Sciences, China; Asso. Prof. Jingya Sun from Beijing Institute of Technology, China, and Asso. Prof. Elammaran Jayamani from the Swinburne University of Technology Sarawak Campus, Malaysia.</p><p>Following the keynote speakers, 3 scholars made oral presentations respectively in the afternoon. And 9 poster presentations came after it. Reporters shared their latest research findings and audiences were actively involved in discussions.</p><p>We would like to express our gratitude to the reviewers of these manuscripts, who provided their time and expertise to review papers and facilitate the smooth running of ICPMS. We are extremely grateful to the organizers, technical program committee, and editors and extend our most sincere thanks to all the authors for their excellent contribution and work and to participants for their active attendance. Our sincere thanks also go to the IOP Publishing editors and managers for their helpful cooperation during the preparation of the proceedings.</p><p>On behalf of the Organizing Committee of ICPMS 2023.</p><p>List of Technical Program Committee are available in this pdf.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/011001">https://doi.org/10.1088/1742-6596/2585/1/011001</a> </div> </div> </div> </div>   <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">011002</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/011002" class="art-list-item-title"> Peer Review Statement </a> </div>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="Peer Review Statement" data-link-purpose-append-open="Peer Review Statement">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/011002/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Peer Review Statement</span> </a> <a href="/article/10.1088/1742-6596/2585/1/011002/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Peer Review Statement</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>All papers published in this volume have been reviewed through processes administered by the Editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing.</p><p>• <b>Type of peer review:</b> Double Anonymous</p><p>• <b>Conference submission management system:</b> Morressier</p><p>• <b>Number of submissions received:</b> 41</p><p>• <b>Number of submissions sent for review:</b> 29</p><p>• <b>Number of submissions accepted:</b> 12</p><p>• <b>Acceptance Rate (Submissions Accepted / Submissions Received <b>×</b> 100):</b> 29.2 %</p><p>• <b>Average number of reviews per paper:</b> 5</p><p>• <b>Total number of reviewers involved:</b> 147</p><p>• <b>Contact person for queries:</b></p><p><b>Name:</b> Yingying Wang</p><p><b>Affiliation:</b> Wuhan Bencheng Culture Spreads Co., Ltd.</p><p><b>Email:</b> secretary@pmsconf.org</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/011002">https://doi.org/10.1088/1742-6596/2585/1/011002</a> </div> </div> </div> </div>  <h3 class="bdt-6 bd-grey-tint mb-1"> Physics</h3>  <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">012001</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/012001" class="art-list-item-title"> A Method of Evaluating NV centers Concentration by UV–Vis Transmittance Spectra </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Yanyan Zhang</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Libin Zhang</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Dongliang Zhang</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Yichen Li</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Sheng Liu</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Bo Yang</span></span> and <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Zhiyin Gan</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="A Method of Evaluating NV centers Concentration by UV–Vis Transmittance Spectra" data-link-purpose-append-open="A Method of Evaluating NV centers Concentration by UV–Vis Transmittance Spectra">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/012001/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, A Method of Evaluating NV centers Concentration by UV–Vis Transmittance Spectra</span> </a> <a href="/article/10.1088/1742-6596/2585/1/012001/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, A Method of Evaluating NV centers Concentration by UV–Vis Transmittance Spectra</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>The ultraviolet-visible (UV-Vis) spectrum was not generally considered an available method for measuring the concentration of negatively charged nitrogen-vacancy (NV-, NV center). In this study, we propose the idea of evaluating the concentration of NV center by the slope of the UV-Vis spectrum. To establish this new method we synthesized diamonds with different NV center concentrations by the chemical vapor deposition (CVD) method. We then measured the zero-phonon line (ZPL) intensity of PL spectra at 637 nm and estimated the concentration of the NV centers as a baseline for comparison to our new UV-Vis method. The UV-Vis transmission spectra were then measured and transformed to relative absorption coefficient spectra. Slopes of the transformed UV-Vis spectra between 400 nm and 800 nm were calculated and compared with the ZPL intensities. The results show a strong positive correlation between the slopes of the absorption spectra and the ZPL intensities of PL spectra at 637 nm. Therefore, this paper demonstrates the feasibility of estimating the concentration of the NV centers from measuring the transmission UV-Vis spectrum.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/012001">https://doi.org/10.1088/1742-6596/2585/1/012001</a> </div> </div> </div> </div>   <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">012002</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/012002" class="art-list-item-title"> Hydrodynamic pressure and effective mixing length in vegetated free-flow region </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Yicun Xie</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Jing Yan</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Haitong Zhang</span></span> and <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Hanqing Zhao</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="Hydrodynamic pressure and effective mixing length in vegetated free-flow region" data-link-purpose-append-open="Hydrodynamic pressure and effective mixing length in vegetated free-flow region">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/012002/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Hydrodynamic pressure and effective mixing length in vegetated free-flow region</span> </a> <a href="/article/10.1088/1742-6596/2585/1/012002/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Hydrodynamic pressure and effective mixing length in vegetated free-flow region</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>Submerged vegetation acts as large-scale roughness element that changes flow structure and promotes flow subdivision, thereby affecting scalar transport and energy transfer in the river. This article explores vertical distributions of both the hydrodynamic pressure <i>P</i><sub>D</sub> and effective mixing length <i>L</i> in vegetated free- flow region through flume experiments. Firstly, formulas have been proposed in the present study to calculate the <i>P</i><sub>D</sub> and <i>L</i> values by some theoretical analyses. Then, we discuss the <i>P</i><sub>D</sub> and <i>L</i> profiles under different vegetation density <i>λ</i>, submergence degree <i>H</i>/<i>h</i><sub>v</sub> and mean bulk velocity <i>U</i><sub>m</sub> conditions. The <i>P</i><sub>D</sub> value is positive and attains its vertical maximum around the middle position of this region, indicating that shear turbulence promotes the upwards release of the hydro pressure. The vertical variation coefficient for <i>P</i><sub>D</sub> is nearly 1.15 and independent of <i>λ</i> and <i>U</i><sub>m</sub> in this study. The dimensionless <i>L</i> value varies little in the lower part of this region and increases linearly upwards in the upper part, reflecting vertical variation of shear turbulence movement. Since the vegetation density <i>λ</i> and submergence <i>H</i>/<i>h</i><sub>v</sub> control turbulence coherent motion, the <i>P</i><sub>D</sub> and <i>L</i>/(<i>h</i><sub>o</sub> - <i>h</i><sub>v</sub>) values change monotonically with them in this study. The high-velocity flow accelerates turbulence waves and promotes an increase in <i>P</i><sub>D</sub>.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/012002">https://doi.org/10.1088/1742-6596/2585/1/012002</a> </div> </div> </div> </div>   <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">012003</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/012003" class="art-list-item-title"> Structural response characteristics of TMA during water-entry procedure </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Dong Hao</span></span> and <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Jing Yu</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="Structural response characteristics of TMA during water-entry procedure" data-link-purpose-append-open="Structural response characteristics of TMA during water-entry procedure">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/012003/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Structural response characteristics of TMA during water-entry procedure</span> </a> <a href="/article/10.1088/1742-6596/2585/1/012003/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Structural response characteristics of TMA during water-entry procedure</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>This work presents a comprehensive numerical investigation of the structural responses of the Trans-Medium Aircrafts (TMA) during a water-entry event and the max mises-stress, the acceleration, and the water-entry deepness are analyzed and discussed. The simulating finite element model of the elastic field and the fluid field are imitated and solved by the coupled euler lagrange (CEL) method. The water-entry velocity is set from 0 m/s to 8 m/s. From the results, the max mises-stress is about 24 MPa and the max acceleration of all simulation conditions is 110000 m/s2. Considering the elastic effect of the TMA structure, the current research is of great importance to the TMA's structural design scheme.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/012003">https://doi.org/10.1088/1742-6596/2585/1/012003</a> </div> </div> </div> </div>   <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">012004</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/012004" class="art-list-item-title"> Kirchhoff equations with strong singularity in closed manifolds </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">L L Zhan</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">N B Chen</span></span> and <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Q H Liu</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="Kirchhoff equations with strong singularity in closed manifolds" data-link-purpose-append-open="Kirchhoff equations with strong singularity in closed manifolds">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/012004/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Kirchhoff equations with strong singularity in closed manifolds</span> </a> <a href="/article/10.1088/1742-6596/2585/1/012004/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Kirchhoff equations with strong singularity in closed manifolds</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>In this paper, we study a class of Kirchhoff-type problems involving strong singular nonlinearities on compact Riemannian manifolds. With the help of variational method and Nehari method, we prove that this problem has a unique positive solution.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/012004">https://doi.org/10.1088/1742-6596/2585/1/012004</a> </div> </div> </div> </div>   <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">012005</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/012005" class="art-list-item-title"> A 1.3V 12-bit 100-MHz Current-Steering DAC in 55nm Technology </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">S G Zhong</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Z J Chen</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">N Xu</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">X F Sun</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">S Y Yang</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">R Y Wang</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">B Li</span></span> and <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">X L Lin</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="A 1.3V 12-bit 100-MHz Current-Steering DAC in 55nm Technology" data-link-purpose-append-open="A 1.3V 12-bit 100-MHz Current-Steering DAC in 55nm Technology">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/012005/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, A 1.3V 12-bit 100-MHz Current-Steering DAC in 55nm Technology</span> </a> <a href="/article/10.1088/1742-6596/2585/1/012005/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, A 1.3V 12-bit 100-MHz Current-Steering DAC in 55nm Technology</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>In this paper, a 12-bit 100MS/s digital-to-analog converter (DAC) is presented, where a segmented current steering technique is employed. A "4+8" segmented architecture is used compromising the advantages and disadvantages of binary-weighted and thermometer-coded DACs. Cascode current source and cascode switch is used to achieve high input impedance and to minimize output glitches for good linearity and dynamic performance. The simulation results show that SFDR is over 77 dB, and the ENOB is 11.6 bit at least. The DAC consumes 2.27 mW from a 1.3-V supply.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/012005">https://doi.org/10.1088/1742-6596/2585/1/012005</a> </div> </div> </div> </div>   <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">012006</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/012006" class="art-list-item-title"> LES analysis clarifying the response of static pressure fluctuation characteristics in isotropic/anisotropic steady turbulence field to reducing isotropic small-scale spatial resolution </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Riku Hirabayashi</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Hiroki Suzuki</span></span> and <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Shinsuke Mochizuki</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="LES analysis clarifying the response of static pressure fluctuation characteristics in isotropic/anisotropic steady turbulence field to reducing isotropic small-scale spatial resolution" data-link-purpose-append-open="LES analysis clarifying the response of static pressure fluctuation characteristics in isotropic/anisotropic steady turbulence field to reducing isotropic small-scale spatial resolution">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/012006/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, LES analysis clarifying the response of static pressure fluctuation characteristics in isotropic/anisotropic steady turbulence field to reducing isotropic small-scale spatial resolution</span> </a> <a href="/article/10.1088/1742-6596/2585/1/012006/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, LES analysis clarifying the response of static pressure fluctuation characteristics in isotropic/anisotropic steady turbulence field to reducing isotropic small-scale spatial resolution</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>This study aims to clarify the effects of an isotropic reduction in spatial resolution on the characteristics of the static pressure fluctuation in isotropic/anisotropic statistically steady state turbulence. Although previous direct numerical analyses have investigated the static pressure fluctuation, this study considers it as a quantity that could be more straightforwardly obtained from experimental measurements and numerical analyses. To address this issue, a large-eddy simulation is used in this study. The Smagorinsky model, the Vreman model and the implicit LES model are used in this study to model sub-grid scale fluctuations. The influence of isotropic spatial resolution reduction is set by changing the accuracy order for the discretisation of the viscous terms from second to eighth order, based on a three-dimensional cubic computational domain with spatially uniform computational grid width. The accuracy order for the convection terms is also set to second and fourth order in this study. When the discretisation accuracy order of the viscous terms is second order, there is a significant reduction in the accuracy of the implicit LES. The discretisation accuracy order of the viscous terms should be set to fourth order or higher, as seen in this study. In addition, unlike the turbulent kinetic energy, different discretisation accuracy orders for the viscous and convective terms also have a non-negligible effect on the static pressure fluctuation analysis.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/012006">https://doi.org/10.1088/1742-6596/2585/1/012006</a> </div> </div> </div> </div>   <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">012007</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/012007" class="art-list-item-title"> Characteristic analysis of earthquake sound signal based on wavelet transform </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Jiangchun Hu</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Zhipeng Liu</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Qin Wang</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Xuewei Huang</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Luyang An</span></span> and <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Chenxu Wang</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="Characteristic analysis of earthquake sound signal based on wavelet transform" data-link-purpose-append-open="Characteristic analysis of earthquake sound signal based on wavelet transform">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/012007/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Characteristic analysis of earthquake sound signal based on wavelet transform</span> </a> <a href="/article/10.1088/1742-6596/2585/1/012007/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Characteristic analysis of earthquake sound signal based on wavelet transform</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>Earthquake is a kind of natural disaster with strong destructive power. As a kind of earthquake precursor signal, earthquake sound is of great significance of earthquake prediction. According to the characteristics of the earthquake sound signal, the earthquake sound monitoring data ten days before the earthquake was analysed using wavelet technology, the earthquake sound monitoring signals of different frequency bands was compared, and the change rule of the earthquake sound signal within ten days before the earthquake was emphatically studied. It was concluded that: the infrasound wave signal with normal fluctuation changed regularly into time; Ten days before the earthquake, the peak mutation of infrasonic signal occurred, which increased exponentially compared with the mean peak mutation value of earthquake sound signal. The number of this abnormal phenomenon increased to the shortening of the impending earthquake time, especially five days before the earthquake; The intensity of the earthquake sound signal in the frequency band of the infrasonic wave is gradually decreasing from the increase in the signal frequency. By studying the variation characteristics of earthquake sound signal with time before earthquake, it is of certain reference significance to study the correlation between abnormal ground earthquake signal and earthquake in earthquake prediction.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/012007">https://doi.org/10.1088/1742-6596/2585/1/012007</a> </div> </div> </div> </div>   <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">012008</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/012008" class="art-list-item-title"> Development of combined hardening model for spring-back simulation of DP600 in multi-stage sheet metal forming </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Haibo Yang</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Jiang Chen</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Qing Hong</span></span> and <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Wenliang Chen</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="Development of combined hardening model for spring-back simulation of DP600 in multi-stage sheet metal forming" data-link-purpose-append-open="Development of combined hardening model for spring-back simulation of DP600 in multi-stage sheet metal forming">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/012008/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Development of combined hardening model for spring-back simulation of DP600 in multi-stage sheet metal forming</span> </a> <a href="/article/10.1088/1742-6596/2585/1/012008/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Development of combined hardening model for spring-back simulation of DP600 in multi-stage sheet metal forming</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>High strength steel DP600 is widely used in automobile industry due to its excellent mechanical property compared to conventional steel, but spring-back issue is considered to be the major challenge of DP600 in forming process, as the spring-back is triggered by the release of complicated internal stress. In multi-stage sheet metal forming, the sheet may be subject to several cycles of loading and reverse loading, Bauschinger effect greatly influence the strain stress behaviour. A well designed material model can be used to accurately predict and compensate spring-back in forming process. A combined hardening model especially designed for multi-stage forming is proposed in this paper, and the iterated compensation method could be applied by using LS-DYNA to get an optimized result. An experimental testing facility was developed for calibration of this model with cyclic tension and compression strain stress curve. The compensation method is applied in the numerical simulation of a multi-stage manufacturing process of an A-pillar, the result demonstrates the feasibility of the combined hardening model.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/012008">https://doi.org/10.1088/1742-6596/2585/1/012008</a> </div> </div> </div> </div>   <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">012009</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/012009" class="art-list-item-title"> Rheology of nanofluids. Experiments and molecular dynamics modeling </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">V Ya Rudyak</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="Rheology of nanofluids. Experiments and molecular dynamics modeling" data-link-purpose-append-open="Rheology of nanofluids. Experiments and molecular dynamics modeling">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/012009/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Rheology of nanofluids. Experiments and molecular dynamics modeling</span> </a> <a href="/article/10.1088/1742-6596/2585/1/012009/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Rheology of nanofluids. Experiments and molecular dynamics modeling</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>This article discusses the rheology of nanofluids with ordinary spherical particles. It has been shown that about a quarter of nanofluids at not too low concentrations turn out to be pseudo- or viscoplastic. Their rheology is well described by power-law fluid or Herschel–Bulkley models. To study the mechanism of rheology change, the method of nonequilibrium molecular dynamics is used. It is established that the change in rheology has a threshold character. Critical values of the shear rates of rheology change and their dependence on the concentration of nanoparticles, their size and material are found. It is shown that the change in rheology is accompanied by a change in the structure of the studied fluids, which is illustrated by the corresponding radial distribution functions.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/012009">https://doi.org/10.1088/1742-6596/2585/1/012009</a> </div> </div> </div> </div>   <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">012010</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/012010" class="art-list-item-title"> Bifurcation & stochastic analysis of chaotic finance system through entanglement function </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Kutorzi Edwin Yao</span></span> and <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Yufeng Shi</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="Bifurcation & stochastic analysis of chaotic finance system through entanglement function" data-link-purpose-append-open="Bifurcation & stochastic analysis of chaotic finance system through entanglement function">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/012010/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Bifurcation & stochastic analysis of chaotic finance system through entanglement function</span> </a> <a href="/article/10.1088/1742-6596/2585/1/012010/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Bifurcation & stochastic analysis of chaotic finance system through entanglement function</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>In this novel chaotic financial system, by varying the set-aside bifurcation parameter, the existence of the Hopf bifurcation is investigated. The results are used to discuss equilibrium stability and bifurcations in the modern chaotic system. Added to that, there is an element of chaos in mathematical systems with only one positive Lyapunov exponent. Furthermore, there are conditions in which bifurcation is required to achieve chaotic entanglement. The entanglement functions are designed to form an artificially chaotic system such that two or more stable linear subsystems evolve chaotically, no matter how far apart they are. The Gaussian noise is introduced to normalize or bridge the empirical distribution function of the random variables system and check the convergence. Beyond that, the stochastic model emphasizes the relationships between dissipation, phase space flow, and stability. The maximum dissipation of the system increased as the stochastic financial stability increased.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/012010">https://doi.org/10.1088/1742-6596/2585/1/012010</a> </div> </div> </div> </div>   <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">012011</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/012011" class="art-list-item-title"> Stabilization of the coupled ODE-linearized KdV system </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Y H Yang</span></span> and <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Z C Zhou</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="Stabilization of the coupled ODE-linearized KdV system" data-link-purpose-append-open="Stabilization of the coupled ODE-linearized KdV system">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/012011/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Stabilization of the coupled ODE-linearized KdV system</span> </a> <a href="/article/10.1088/1742-6596/2585/1/012011/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Stabilization of the coupled ODE-linearized KdV system</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>This paper considers the exponential stabilization of coupled ordinary differential equation (ODE)-linearized Korteweg-de Vries (KdV) equation system coupled at right boundary point with left boundary control. Firstly, we transfer the original system into an exponentially stable target system by backstepping transformation. Secondly, we show the existence of the kernels in forward and backward transformation. Finally, we prove the exponential stability of the closed-loop system.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/012011">https://doi.org/10.1088/1742-6596/2585/1/012011</a> </div> </div> </div> </div>   <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="indexer">012012</div> <div class="eyebrow">  <span class="offscreen-hidden">The following article is </span> <span class="red-text wd-jnl-art-collection-label">Open access</span>  </div> <div class="art-list-item-title-wrapper"> <a href="/article/10.1088/1742-6596/2585/1/012012" class="art-list-item-title"> Uncertainty analysis method of internal drag measurement for flow-through model in high-speed wind tunnel </a> </div> <p class="small art-list-item-meta"><span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Yufeng Du</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Lulu Wang</span></span>, <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Neng Xiong</span></span> and <span itemtype="http://schema.org/Person" itemprop="author" class="nowrap"><span itemprop="name">Jun Lin</span></span></p>   <div class="art-list-item-tools small"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-label-alt="Close abstract" data-reveal-text="Open abstract" data-link-purpose-append="Uncertainty analysis method of internal drag measurement for flow-through model in high-speed wind tunnel" data-link-purpose-append-open="Uncertainty analysis method of internal drag measurement for flow-through model in high-speed wind tunnel">Open abstract</span> </button> <a href="/article/10.1088/1742-6596/2585/1/012012/meta" class="mr-2 nowrap"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Uncertainty analysis method of internal drag measurement for flow-through model in high-speed wind tunnel</span> </a> <a href="/article/10.1088/1742-6596/2585/1/012012/pdf" class="mr-2 nowrap"> <span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Uncertainty analysis method of internal drag measurement for flow-through model in high-speed wind tunnel</span> </a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <div class="article-text wd-jnl-art-abstract cf" itemprop="description"> <p>For aircraft with complex air intake and exhaust systems, the flow-through model simulating the internal flow passage is generally used to reduce the interference of internal and external flow fields when carrying out high-speed wind tunnel tests. The drag generated by the internal flow passage needs to be accurately measured and deducted from the full-model aerodynamic force, so as to obtain the aerodynamic characteristics of the aircraft to be tested. However, the existing internal drag measurement methods do not evaluate the uncertainty of the measurement results, which leads to the failure to evaluate the reliability of the flow-through model high-speed wind tunnel test results. This paper introduces the device and measurement method of internal drag of flow-through model. Based on GUM uncertainty analysis method, the analysis method of internal drag measurement uncertainty is established through strict mathematical derivation, which provides technical support for the evaluation of internal drag measurement uncertainty.</p> </div> </div> <div class="art-list-item-tools small"> <a class="mr-2" href="https://doi.org/10.1088/1742-6596/2585/1/012012">https://doi.org/10.1088/1742-6596/2585/1/012012</a> </div> </div> </div> </div>  </div> </form>  </div>  </div> </main> <div class="db2 tb2"> <div class="side-and-below">  <div class="sidebar-list" id="wd-jnl-links"> <h2 class="sidebar-list__heading">Journal links</h2> <ul class="sidebar-list__list"><li><a href="/1742-6596">Journal home</a></li> <li><a href="/1742-6596/page/scope">Journal Scope</a></li> <li><a href="http://conferenceseries.iop.org/content/organizers"target="_blank">Information for organizers</a></li> <li><a href="http://conferenceseries.iop.org/content/authors"target="_blank">Information for authors</a></li> <li><a href="https://publishingsupport.iopscience.iop.org/questions/conferences-contact-us/"target="_blank">Contact us</a></a></li> <li><a href="http://www.proceedings.com/2156.html"target="_blank">Reprint services from Curran Associates</a></li> </ul> </div>    <aside role="complementary" aria-label="Right sidebar adverts"> <div id='div-gpt-ad-1669279847892-0' style='min-width: 160px; 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Issue 1 - Volume 2585 - Journal of Physics: Conference Series - IOPscience