The concept of design compression ratio of real gas in a vortex expander and computational method are put forth. The corresponding experimental study has been done.
对涡旋膨胀机真实气体理想(等熵)膨胀过程进行了理论分析，提出了涡旋膨胀机真实气体设计压比的概念和计算方法，并进行了实验研究。
Design and develop the device of motorcycle engine compression ratio measuring system.
摩托车发动机压缩比测量装置的设计开发。
Based on its stress characteristics, the author introduces points for attention in design such as control of axial compression ratio and structural measure.
根据异形柱的受力特点，论述了在设计时应注意轴压比控制和构造措施等方面的要求。
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