The way to improve total pressure efficiency by appropriate inclined cut of airfoil blade tip was studied.
分析了对后拖式机翼型叶片的叶尖进行适当切割，可以提高全压效率的原因。
The measurements show that the airfoil blade fan prevails over the plate one in the aspects of total pressure efficiency, stable operation range and high efficient operation range.
试验结果表明机翼型叶片在全压效率、稳定运行范围及高效运行范围比相应的板型叶片具有优越性；
After optimization, the total pressure loss of the turbine vane was reduced by 0.95%, and the efficiency of the overall compressor was increased by 2.1%.
经优化后，透平高压级静叶的总压损失系数减少0.95%；多级压气机整机效率提高2.1%。
It is shown that the U-bottom orifice has higher total pressure drop and (thermodynamic) efficiency.
结果表明，U型弧底节流孔具有更大的压降和更高的热力学效率。
The expander can reduce exergy loss in pressure reducing process, and the utilization of cryogenic exergy of air-powered engine exhaust is useful to improve the total energy efficiency.
在能量转移系统中，应该采用容积膨胀减压方式减少减压环节的可用能损失；合理利用低温排气的冷量火用可以提高气动发动机能量转移系统的总能量效率。
The total efficiency and volumetric efficiency are analyzed based on the flow rate and pressure measured, and their impact factors are discussed.
根据测试的流量、压力数据，分析了液压变压器总效率和容积效率的变化规律，并讨论了影响总效率和容积效率的因素。
The total efficiency and volumetric efficiency are analyzed based on the flow rate and pressure measured, and their impact factors are discussed.
根据测试的流量、压力数据，分析了液压变压器总效率和容积效率的变化规律，并讨论了影响总效率和容积效率的因素。
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