The paper is based upon Aero-Optics theory, pursuing the methods and realization for measuring the density distribution of transient flow field in wind tunnel test.
本论文基于气动光学理论，研究在流场试验中检测高速瞬态流场密度分布的方法与实现。
However, the detailed transient flow field, the originating mechanism and the potential application of unsteady tip clearance flow are unclear or not enough understood to date.
然而到目前为止，这种非定常波动的基本流动特征，形成机理及其潜在的应用前景都不够清楚。
The transient temperature field at surface of a stainless steel micro-tube, in which flow boiling of water occurs, is measured by the Infrared Radiometer.
本文利用红外热成像仪对不锈钢微管内水的流动沸腾的壁面瞬态温度场进行了测量。
In steady and transient state, air temperature field and flow field inside the thermoelectric refrigerator, loaded and no loaded, are calculated by using a CFD software PHEONICS.
采用PHEONICS数值仿真软件，对热电冰箱的无负载瞬态工作、有负载稳态和瞬态工作时箱内温度场和流场进行了数值模拟。
In steady and transient state, air temperature field and flow field inside the thermoelectric refrigerator, loaded and no loaded, are calculated by using a CFD software PHEONICS.
采用PHEONICS数值仿真软件，对热电冰箱的无负载瞬态工作、有负载稳态和瞬态工作时箱内温度场和流场进行了数值模拟。
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