gasdynamics
nounUK /ˌɡæs.daɪˈnæm.ɪks/
US /ˌɡæs.daɪˈnæm.ɪks/
The study of how gases move and change when they flow fast.
Engineers use gasdynamics to design jet engines that push air out at high speed.
OTHER MEANINGS
2. The branch of fluid mechanics that deals with gases moving at high speeds, especially when their density changes.
The rocket nozzle was analyzed using gasdynamics to predict the exhaust speed.
3. The set of physical processes by which a gas's pressure, temperature, and velocity change together during flow.
Gasdynamics explains why the air heats up as it rushes through the compressor.
4. A field of engineering focused on the motion of gases in devices like turbines, nozzles, and pipes.
She studied gasdynamics before working on turbine blade design.