CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '913427b46d528345',cH: 'u.4igD6khrmRaGUvkUihVbza_SPSyn8abss5p2zy_0Q-1739778297-1.2.1.1-RH95Z3GKR91Xw87qUtM1EVzD1LLjya60b9medYRmsEbbEUEcQciFFgsqetz0g.iy',cUPMDTk: "\/abstracts\/search?q=low%20speed%20flexi%20wing&__cf_chl_tk=l6RjbFwzgO8Mu_j9ke8VDEar0_l._Pi6sNifTJdlUOM-1739778297-1.0.1.1-2jdzdpwA6cNAhKMI047dLnwUiw.y5LgjbKbC_cLrR2c",cFPWv: 'b',cITimeS: '1739778297',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=low%20speed%20flexi%20wing&__cf_chl_f_tk=l6RjbFwzgO8Mu_j9ke8VDEar0_l._Pi6sNifTJdlUOM-1739778297-1.0.1.1-2jdzdpwA6cNAhKMI047dLnwUiw.y5LgjbKbC_cLrR2c",md: "SR1RqFsdREY.mdB1cgvklUXRRe_jobb5bTUFmBZ1Kc8-1739778297-1.2.1.1-4n.4ANdt2NZ9PvrQm6lNF1soomZV6NPNG5NfP1o86y.3E05IxWxEVA0cBhlcXfyhAKCbprIgZPIywQn8TitHNYEObSUuI6bodKutDc20UTDMbJLvvfX6OhysPvhbHGYlJUNV25QvzL250CxemBtKWDQJ8hXF1PshIh987yGE3lpl_sy8cC.RkRRAnyr6MhGPZNv34sP336WEAv1fIt3rRBIJU.OyBR1liNRcSQiuUxQK8XCaCazAAy8aVD64PYF.gDWtNsl8weCJBpQCb.7Kjq5me4oyl8cY9pjQ2oW.gjnrMqQhFMuuySvSVNg8JIDoFHbB0c_gvBwfKRvkIhhJVs0PxD0KQsj9idHTeB0KDmvpXuSyuAK5PjWWcHbQBwEYFX8KqXCaWbhRXA3wgNXbdzkGCyciG2dnr0nCn_iDXf6GfCeAMHa4OnbVtg9c7joRG1VT2cF.KY9.4.trHEAI2g_8OA.0MTinQDBahG15s8cUg9yCBbweT6h08Xkh2zwYa1QG_N6YgGBWx7WlOHYjhsCi5MWca8goygplwOonEjlbR5asbGRX9UbZpzD0qbfySdIib9_0saxfVfkzlIRWbtdVHqhqJShqv.T14LQKFvNhaNuoTBubv60Hgz.9JSGIkiop9C0vzVE8.5AP2B2zGUOD.FtKAZUmnX9M.2euei8x.EmOic6JS6wE9YViekkairI8Pynm6FNccRStFePxgU51hhpCTmAFwHI8cqfwD45JKjRUdx681okOwBXbB5xJmuKR5cL0iJ2JXTyBJYbWiHZa.esvuiPHlRF84l0mexFjAyiNl6VCBI3cbiLa7KK8F6dm6ZejjLA2Mh7fHSMyU7CUWuFDftGRrPZqtnDE3BzsrWyyENI1tP2ble25m4B3h7VidA3m3o8Jm5gbs1YwFnRmZh335u3sWtuedET8Asm_01y.CO77ohk.jAapB94TtmAmKfUAN56YG9gj3YNP8DpAHEDBhwNMHfx1oEifmDg8pQkmyi4XymvfMqDxRxZ0h.cuC1SsOB4BTpqOPfPxXBcYUiQDT0aWmTEqrmHeNYpdWqqQc9Yfxrj8QZhWg0eoL2ik0ilGKgbiLxsHrxKrwZ.pZqHzuskj8Xvd..aoBozShnzY2uVnek2D0eLaliYh1ntS9dx6.Qsejg.5B4nw1w4nen6DaRHwnTgkr9Lee.h4I6AOWsx9YP.qhNCj._oqlsKP0nkydacbyJ_eClDrr5G3zLESsJ0eEFYQZcWH_f1kQlHTbkNKtqutKylrb8dLF84ne_1LOc2wjQGlEpy75h6A8aJF_Oc2kDIO89PR0xwmCI5kFTDJKe4oNHoXF2.HLG56qpkrgnr2yfRO4QRn.PvZlokAiuTxcHMFfDrjE1cO_jD0byj3SrnKGvrrFN.6Dqn_rYRxpTAUwHnY0sbR.ewLvmiY0_AdhH5Pd3Goj9mGKCyaI15jSxkF06t5sOP07NfYTHzty9gIzRX_EcwBoOCBAvouLAGr0JdDjtXpyO53XUGSnot73YRCH52A9b9S.Ve80SGhfjSeHL_htunDDWoW_w1QhbtrDCUFIeECawIWb7a86vzRu4cE4rOEzr4lKKDT_5UIYOgq6.r1plARlULBTygtCw1j36TO0hGwXQ9aWqVa_aH2rxj97Pf6et3cMLXifX2wCsOnWU2vWw9PvZcTJGodvDaHaAGfAZzoNCnSPDhjxrLk45V_jXCIP20O7H2n71FSPSmlrTRpUTBpRalIoyFcNlwQDgOpl7s6YTepC6yHd7Mxbl34gddW4gfgcHbRjWDOVQn_RoulJTznNo4MjhnJdmgLumoTIQgeZc0DQHhoahywGfZc20OhI0aq40KO1Hj87xArrLXhceLZgElWL9W6kx6UPZjL7phLopxPdyzWBRNYcE4xu4U1XQl3A6DUoQ6JxqVY3fLVBkRBF8HxdHvwCmUf2MLbqh1v08NzL86qJXZxjRa9u0f.Ctq8",mdrd: "BQIyN0B9Abc8uI1pQfqWFcsiSRKr7mry3odbAqVr438-1739778297-1.2.1.1-TPM1GTz3pA9eqN0Ledw5opWAYfn0b3fYDorARmYIm_OkgXfwtsL4_TscpUSQ6Ca2vBCouxbOMmk7vokbUbKX3Z6EVsxrAenyVQee57RnAumrrE5zkKBValmo.2JYs_UisSoyOGcXO0fBn_x_NMX1IO52B73xxLyNhLfEAXzWKOUPbqCqiSQXljjTNScF0NAxy.agqDNHKnQZf7FV36CvUu6YFp9Sn_dS0B3zzsEkmtp47MeZXBK_rqp1omfEs83P10Gc7lxlpwae5dfQYxgZMFTB8WlJBtuKykj9rWITarE90ka1zCzMj5PXt7t6utn2_xoERti2YSOeG.yRNpILFGxZCoxgMu7B2hgEqtA4xBn.9Zsz2.3.Rw5Wbux_IcaFXQQQ8_5E7WMYzWKuyw6qOeXSA0DBlLXUFH1i4FXBthuvcEb6O40nRU8q74PiYjZWy4CM654CWS4I1a760OFCKxcx2IWeF_AezIlUjyX.9w2mBvWD4VykmucxpxOGrO_JbJHiDEQiF1.MmpTfeXP.N5iON1NrBoWddeJkm43JBsWWESiRVb4x8tSUJ5g_.MYGdLO2e7Zwx.1LHwZGfQuk0nI3yehBxNvd_Qz0RnzMc63tAmRaqXiUD7NFqYT4C3tBNbZH4KWGUpDcrzX9YDCZ6K1cKUvKDBMRRXN1pedS9xH0CUg6Oxsn2Wae5VnI02nVy3pxiNFN3t5uC8e2KoHwE7B34AeLWawstO4oUJm1L646C3hrzTe.whqCktDg4e_OPvbAgZVYxyJVHo_5gcDSQhSN0ED3ylT5QNUc9zihG9nJNcy3NHSt666z4juJiJ_7mePKgYDZLlyejx2EGYzFKcLRjg_BFyDUDfh_RqchnsjzIzFymrFC0BDVFAH.E.KrWrXxsNQXLehYoq88F7CR1FyiEBb1DGO6.4hKCU7I7htoaTOCbnl0_egwOWNa9IXzs5uSmVlTB00fY_woDxMLAYQPdzm8gs9KIyxPiUVqAQ0ZfJyO4eW_uhZpBLzv0hEHB_Ybt8BDVb6LV1kpm_Zsaui_t2BGVRZkhA8ROngHyqe88HxfkKNz0VXW7fG89D5irT5LjbS3YBNJDmQFXOvJD3Du2HO.jj7mRF_SmGjrVD.qisVVUelyE5AeWBPr4pw4dH1G3IaGJCEVulCWaS9281IX_gYEE71X8aSPj63bnrfp594zX5hc.I910JVe4WU0FDGQ8CxTVHXMJWrdTVa6nGnu9EOEgqN8P1Oe3wwPNHOCRZ9tZ0C3MOetG8DSZ1nRyor26RS9HzfSbtXMSyanmvqmU1m8CrPzlU8oI9sbVE0DJXqjUnh7YkvWpn9CF7F_U281NDcuw4bImcbkwOTfznmXjSgNi7HPfa9l1b.TzbG9XZjdIdNX_hYArjhP0n1ChjTyqkURi3ARINwPO10JIJSVHrnWSxmWB2MHv6AvWvbLayb6IjGHi18Bsu9ubEeko.e80fwVRSqdysYDMYcLA0kB8Fgp9G.va6AKF8bfD_PY0hC7K4zg72ITTFDaXnHZY8fY2iRpR0agjmMZs7zsFNVMJBN6o4O4EpF_IGO06lCjpMdrk.z753FMznbYG50lSaGO93jAeRxt5eu64h6Tj_yBa30CZhn26YzMNUDmzdyID9Mc.hSOKPlTmSLDN6Ryzvb_wot8O9n2XFc6MbQVR9NrbcevYUW1f2Flh4b7wXqGVaT6E0XrQY8TBWvILIVMX2qoT88IMOmBHR6Qz1rOo.wFXQ9hphfFSx..wIhUkkWebqUmfnpT_pJ5GAAp5ngtBWCrHuY.C9AC7ashcYESc1SqM5BAFj756UJX6WkDm7umegBnc_7P1tTTbO.4K_rrn129TyjizH4smHOBNs9cEt.ILTcdcMQ7BV_VevDUPZ1wGTEDUgOj5o7gEe0KH_PtgEO7fwwMXoHw0h4KNfBtr5KFPuZ57SGLw1bOtiKb63iN2iyYIYXG6FHoPJ6fOM6I"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=913427b46d528345';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=low%20speed%20flexi%20wing&__cf_chl_rt_tk=l6RjbFwzgO8Mu_j9ke8VDEar0_l._Pi6sNifTJdlUOM-1739778297-1.0.1.1-2jdzdpwA6cNAhKMI047dLnwUiw.y5LgjbKbC_cLrR2c" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>