• 1. Non-steady Flow: 非稳定流 | 非稳流 | 非定常流动
• 2. non steady flow: 非定常流 | 非稳定流
• 3. non-steady flow field: 非稳态流场

更多释义

• 1.Study the gas dynamic characteristic based on non-steady flow theory of gas.
  首先本文运用非定常气流流动理论来研究热风炉管内气柱的动力特性。
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• 2.It is indicated that the flow field over a backward facing step possesses simultaneously the characteristic of non-steady flow and steady flow.
  后向台阶流的流场同时具有非定常性和定常性的特性。
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• 3.Secondly, in conditions of non-steady flow, azinuthal velocity and shear stress distribution were deduced according to function approximation method.
  在非稳流下，采用函数拟合法，得出流体切向速度随半径变化的表达式及流体所受切向剪切力和分布曲线。
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