Video Clips

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Division,supercomputing,high-speed computing,high-performance computing,information technology, NASA,video clips, videos, scientific visualizations,flow field, computational chemistry, nanotechnology, computational fluid dynamics" description="A collection of high-quality videos: scientific visualizations, interviews, and events related to the NAS Systems Division at NASA Ames Research Center."> <script language="JavaScript">  //--> </script> </head> <body bgcolor="#FFFFFF" marginheight="0" marginwidth="0" topmargin="0" leftmargin="0">  <table width="165" border="0" cellspacing="0" cellpadding="0"> <tr> <td rowspan="3"><a href="/web/20050310062956/http://www.nas.nasa.gov/Main/alpha.html"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/Images/navigation/NavBarTop.gif" border="0" alt="text-based alphabetical index" width="165"></a></td> <td colspan="3"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/Images/navigation/TopBarRow1.gif" width="423" height="18" alt="" 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height="22" alt="Video Clips"> Use this collection of video files as source footage for editing into your video projects. Among these short video clips are scientific visualizations of research conducted using supercomputers at the NAS Facility. Footage of interviews and events are also available. Each entry has a low-resolution MPEG clip for browsing and a broadcast-quality Quicktime to download. Please credit each clip using information in the accompanying captions. <table width="100%" border="0" cellpadding="10"> <tr> <td width="26%" align="left" valign="top" height="376"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/About/Media/Videos/b12_thumb.gif" width="100" height="80" alt="Vitamin B12"></td> <td width="74%" align="left" valign="top" height="376"> NEW:Vitamin B12 This movie is a tour around a molecule of vitamin B12. The images are volume renderings of the Laplacian of the electronic charge density. Since the Laplacian is just the sum of the second spatial derivatives in three orthogonal directions, it shows where the electronic charge density is locally enriched or depleted. Enrichments are shown as warm colors ( yellow -> red -> white) and depletions as cool colors (blue -> black). You can see heavy enrichments (white) at the nuclei, and moderate enrichments as barrel shaped red and yellow regions between nuclei - these signify covalent bonds. The blue spheres around the outside of the molecule are oxygens - they are very electronegative, pulling a lot of electrons into a large white valence shell surrounded by a depleted blue halo. The electronic data shown here were derived from ab initio calculations, based on nuclear coordinates from the X-ray crystallographic studies of Prof. Peter Luger and Dr. Armin Wagner at the Free University of Berlin. Principal Investigator: Chris Henze (NAS) and Preston MacDougall (<a href="javascript:newWindow('Other','https://web.archive.org/web/20050310062956/http://www.mtsu.edu/~chem/faculty.html')">Department of Chemistry, Middle Tennessee State University</a>) <a href="javascript:newWindow('Other','/About/Media/Videos/b12.mpg')">MPEG</a> (6.38 MB) </td> </tr> <tr> <td width="26%" align="left" valign="top" height="99"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/About/Media/Videos/weather_thumb.jpg" width="100" height="80" alt="thumbnail map of earth showing atmospheric dynamics"></td> <td width="74%" align="left" valign="top" height="99"> NEW: Climate-model This movie shows three weeks of atmospheric dynamics simulated with the NASA/NCAR Global Circulation Model (GCM). The scalar field plotted is the water vapor mixing ratio ( "specific humidity," or "q"), vertically integrated across all model levels -- 55 of them in this "medium-high" resolution run. The GCM provides the model forecasts which are combined with observational data from NASA's Data Assimilation Office. Principal Investigator: Chris Henze <a href="javascript:newWindow('Other','/About/Media/Videos/evenweather_320x240.mpg')">MPEG</a> (1.9 MB, 320x240) </td> </tr> <tr> <td width="26%" align="left" valign="top" height="139"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/About/Media/Videos/smpoly_thumb.jpg" width="100" height="80" alt="thumbnail of poly-leucine protein"></td> <td width="74%" align="left" valign="top" height="139"> NEW: Protein Folding Four stages of folding a small protein, poly-leucine, at the interface between water (blue) and a model membrane (white). Initially the disordered protein is located on the water side of the interface. After approximately 40 nanoseconds the protein fully folds into an ordered alpha-helical structure and inserts itself into the membrane. Principal Investigators: Andrew Pohorille, Chris Henze <a href="javascript:newWindow('Other','/About/Media/Videos/smpoly.mpg')">MPEG</a> (1.09 MB, 320x240) </td> </tr> <tr> <td width="26%" align="left" valign="top" height="142"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/About/Media/Videos/gears97_thumb.jpg" width="100" height="80" alt="Image of carbon nanotube gears"></td> <td width="74%" align="left" valign="top" height="142"> Molecular Gears This animation suggests how atomically precise machines might operate. The simulated gears are made from benzyne molecular-fragment attached to carbon nanotubes. Principal Investigators: Jie Han, Al Globus, Richard Jaffe, Glenn Deardorff <a href="javascript:newWindow('Other','https://web.archive.org/web/20050310062956/http://www.nas.nasa.gov/About/Media/Videos/gears97.qt')">Quicktime</a> (517 MB, 640x480, broadcast quality) <a href="javascript:newWindow('Other','/About/Media/Videos/gears97.mpg')">MPEG</a> (1.9 MB, 320x240) </td> </tr> <tr> <td width="26%" align="left" valign="top" height="153"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/About/Media/Videos/water_thumb.jpg" width="100" height="80" alt="Image of a water molecule"></td> <td width="74%" align="left" valign="top" height="153"> Water Molecule This animation shows the structure and reactivity of a water molecule. Principal Investigator: Creon Levit <a href="javascript:newWindow('Other','https://web.archive.org/web/20050310062956/http://www.nas.nasa.gov/About/Media/Videos/water96.qt')">Quicktime</a> (517 MB, 640x480, broadcast quality) <a href="javascript:newWindow('Other','/About/Media/Videos/water96.mpg')">MPEG</a> (1.9 MB, 320x240) </td> </tr> <tr> <td width="26%" align="left" valign="top"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/About/Media/Videos/sofia97_thumb.jpg" width="100" height="80" alt="Image of the flow inside the telescope on the SOFIA Airborne Observatory"></td> <td width="74%" align="left" valign="top"> Unsteady Flow in the Telescope of SOFIA The SOFIA Airborne Observatory is being designed to study the radiant heat patterns from stars, planets, and other celestial objects. This visualization shows the airflow in the cavity where the telescope is housed. The study will be used to reduce the vibration and noise during flight. Principal Investigators: Dr. G. R. (Srini) Srinivasan <a href="javascript:newWindow('Other','https://web.archive.org/web/20050310062956/http://www.nas.nasa.gov/About/Media/Videos/sofia97.qt')">Quicktime</a> (472 MB, 640x480, broadcast quality) <a href="javascript:newWindow('Other','/About/Media/Videos/sofia97.mpg')">MPEG</a> (1.8 MB, 320x240) </td> </tr> <tr> <td width="26%" align="left" valign="top" height="89"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/About/Media/Videos/v22_thumb.jpg" width="100" height="80" alt="Image of the flow from the nacelles of the V-22 Tiltrotor"></td> <td width="74%" align="left" valign="top" height="89"> Bell-Boeing V-22 Tiltrotor The V-22 is a possible solution for short-haul routes and important military operations. This is a simulation of a tiltrotor configuration that was studied experimentally in the NASA Ames 40 X 80 Wind-Tunnel. In the simulation, the V-22 rotor is positioned vertically relative to the V-22 flapped-wing and run for hover conditions. The simulation was used to study the formation dynamics of the tiltrotor "fountain effect" and to demonstrate predictive capability of tiltrotor wing downloads. Particle traces are color-coded by time for flow visualization. Principal Investigator: Robert Meakin Funding Organization: U.S. Army Aeroflightdynamics Directorate (AMCOM) Quicktime (301 MB, 640x480, broadcast quality) <a href="javascript:newWindow('Other','/About/Media/Videos/v22.mpg')">MPEG</a> (1.9 MB, 320x240) </td> </tr> <tr> <td width="26%" align="left" valign="top"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/About/Media/Videos/fbb98_thumb.jpg" width="100" height="80" alt="Image of the flow of the Space Shuttle configuration with liquid flyback boosters using particle traces and surface pressures"></td> <td width="74%" align="left" valign="top"> Liquid Flyback Booster The liquid flyback booster is a possible future upgrade to the current solid rocket boosters. This design will use liquid fuel and flyback to the launch site using jet engines. This representation of pressure around a generic flyback booster was developed by researchers at the Johnson Space Center to illustrate loads changes on the Orbiter due to the configuration change. Principal Investigators: Reynaldo Gomez, Edward Ma, Thomas Wey (NASA Johnson Space Center) Funding Organization: Space Shuttle Systems Integration Office Quicktime (673 MB, 640x480, broadcast quality) <a href="javascript:newWindow('Other','/About/Media/Videos/fbb98.mpg')">MPEG</a> (2.5 MB, 320x240) </td> </tr> <tr> <td width="26%" align="left" valign="top"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/About/Media/Videos/shuttle95.jpg" width="100" height="80" alt="Image of the flow about the Space Shuttle in ascent with particle traces and surface pressures"></td> <td width="74%" align="left" valign="top"> Space Shuttle Launch Vehicle Ascent Simulation This Mach 1.25 simulation was performed using the OVERFLOW CFD code and uses an overset grid system consisting of 113 grids and over 16 million grid points. The vehicle's body is color-coded by pressure coefficient. Particle traces show the velocity field. Principal Investigators: Reynaldo Gomez, Edward Ma, Thomas Wey (NASA Johnson Space Center) Funding Organization: Space Shuttle Systems Integration Office Quicktime (549 MB, 640x480, broadcast quality) <a href="javascript:newWindow('Other','/About/Media/Videos/shuttle95.mpg')">MPEG</a> (1.9 MB, 320x240) </td> </tr> <tr> <td width="26%" align="left" valign="top"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/About/Media/Videos/f18_96.jpg" width="100" height="80" alt="Image of the flow over an F-18 at high angle with particle traces and surface pressures"></td> <td width="74%" align="left" valign="top"> Flowfield over F18 Time-accurate solutions were computed for an F/A-18 geometry at high angle of attack to study the unsteady aerodynamic loads on the vertical tail resulting from the bursting of the leading-edge extension (LEX) vortices. Particles released in the vortex illustrate the burst location, the spiral-type vortex breakdown, and the unsteady nature of the flow over the vertical tail. The surface pressure is plotted as color contours. Principal Investigator: Ken Gee, Scott Murman (MCAT, Inc.), Lew Schiff (NASA Ames Research Center) Funding Organization: High Alpha Research Program Quicktime (709 MB, 640x480, broadcast quality) <a href="javascript:newWindow('Other','/About/Media/Videos/f18_96.mpg')">MPEG</a> (1.0 MB, 320x240) </td> </tr> <tr> <td width="26%" align="left" valign="top"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/About/Media/Videos/delta95_thumb.jpg" width="100" height="80" alt="Image of the flow around a descending delta wing"></td> <td width="74%" align="left" valign="top"> Descending Delta Wing This animation shows particle traces color-coded by time to depict the velocity flow field. Principal Investigator: WIlliam Van Dalsem Quicktime (450 MB, 640x480, broadcast quality) <a href="javascript:newWindow('Other','/About/Media/Videos/delta95.mpg')">MPEG</a> (1.7 MB, 320x240) </td> </tr> </table>  <tr> <td> <table width="422" border="0"> <tr> <td colspan="2"><img src="/web/20050310062956im_/http://www.nas.nasa.gov/Images/navigation/FooterBar.gif" width="422" height="11" alt=""></td> </tr> <tr> <td width="252">Curator:<a href="https://web.archive.org/web/20050310062956/http://www.nas.nasa.gov/~jdunbar"> Jill Dunbar</a></td> <td width="170"> <div align="right">Last Update: November 26, 2002</div> </td> </tr> <tr> <td>NASA Official: <a href="https://web.archive.org/web/20050310062956/mailto:wbrooks@mail.arc.nasa.gov">Walt Brooks</a></td> <td width="170"> </td> </tr> </table> </td> </tr> </table> </td> </tr> </table>  </body> </html>

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