Compressible Fluid - Ashkuseiryutai
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When dealing with fluid motion in fluid mechanics, this refers to a fluid whose density changes greatly with pressure and temperature. Gases with flow velocities equal to or greater than the speed of sound, as well as supersonic and shock waves, must be treated as compressible fluids. On the other hand, when the change in density due to pressure and temperature is negligible, they can be considered incompressible fluids. Contracting fluid. Source: About Shogakukan Digital Daijisen Information | Legend |
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流体力学で流体の運動を扱う際、圧力や温度による密度の変化が大きい流体のこと。音速と同程度かそれ以上の流速をもつ気体や、超音速や衝撃波などは、圧縮性流体として扱う必要がある。一方、圧力や温度による密度の変化が無視できるほど小さい場合は、非圧縮性流体と見なすことができる。縮む流体。
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