pressure

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High-speed experiments improve hypersonic flight predictions

May 2, 2019 • ALBUQUERQUE, N.M. — When traveling at five times the speed of sound or faster, the tiniest bit of turbulence is more than a bump in the road, said the Sandia National Laboratories aerospace engineer who for the first time characterized the vibrational effect of the pressure field beneath one of...
Katya Casper at wind tunnel

Breakthrough in predictions of pressure-dependent combustion chemical reactions

December 23, 2014 • LIVERMORE, Calif. — Researchers at Sandia and Argonne national laboratories have demonstrated, for the first time, a method to successfully predict pressure-dependent chemical reaction rates. It’s an important breakthrough in combustion and atmospheric chemistry that is expected to benefit auto and engine manufacturers, oil and gas utilities and other industries...