+ NASA Home + Ames Home + Sitemap + Staff Directory +Home HIGH END SYSTEMS + Pleiades + Columbia + Schirra NAS DIVISION IMAGES Orion Crew Exploration Vehicle Thermal Protection System Design Representative arc jet imulation of a thermal protection system (TPS) sample wedge in an arc jet flow. Such simulations may use upwards of 180 processors for up to 5 hours, and several of these solutions are often necessary to match the experimental measurements. Credit: NASA Exploration Systems MissionDirectorate, Principle Investigator, Michael J. Wright + Feedback + Site Help + NASA Privacy Statement, Disclaimer, and Accessibility Certification Editor: Jill Dunbar Webmaster: Ryan Spaulding NASA Official: Rupak Biswas + Contact NAS Last Updated: August 20, 2009