The solvent effect on the preparation of PVA film by low speed spin machine was studied by using AFM and XRD.
本文采用原子力显微镜和X射线粉末衍射仪研究了PVA溶液旋转涂膜的溶剂化效应。
Film cooling of the surface of a gas turbine blade was studied in a large-scale low-speed opening wind tunnel according to actual requirement of the design of aero-engine.
根据航空发动机设计的实际需要，在大尺寸低速叶栅传热风洞中对涡轮叶片表面的气膜冷却进行了综合性实验研究。
The quantitative analysis shows that the numerical simulation cases are different from the experiment results in the place of the transition point, film thickness at low speed area and the zero point.
定量比较表明：计算结果与实验结果在过渡点位置、低速区膜厚值大小、零点位置等方面存在差异。
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