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1)  overall adiabatic efficiency
总绝热效率
2)  adiabatic efficiency
绝热效率
1.
An adiabatic efficiency function of the turbine stage was deduced.
针对重型车用、带有调节阀的可调二级增压系统的涡轮级进行了热力学分析,推导了涡轮级绝热效率的计算公式,给出了高、低压涡轮流量和膨胀比的计算方法。
3)  adiabatic effectiveness
绝热效率
1.
The characteristics of film-cooling of the coolant are displayed as well as the formation of film-cooling adiabatic effectiveness.
对某新型燃机带6排前缘气膜冷却的第1级静叶叶栅进行了全三维N-S方程数值模拟,描述了叶片前缘绝热效率的分布和冷却射流的流动特征。
2.
The characteristics of the flow and temperature fields,including the coolant trajectory,the interaction of two rows of coolant jets and the complicated distribution of filmcooling adiabatic effectiveness in the region of leading edge .
采用具有三阶精度TVD性质的有限差分格式及多区网格技术,对某型前缘带有两排冷气孔的涡轮叶栅的气膜冷却流场进行了全三维N-S方程数值求解,分析了在前缘滞止区域附近两排孔的冷气射流各自的运动规律、温度分布以及不同吹风比情况下前缘区域气膜冷却绝热效率的分布特点。
4)  total heat efficiency
总热效率
1.
When the heating/cooling load is of air condition type which can normally be produced by heat -pump devices, comparing with modern GTCC, they are not always energy -savable! Based on "total heat efficiency" of the thermodynamics first law for judging the energy-saving of distributed CCHP systems, there are always some false information, whereas "exergy efficiency" based.
采用基于热力学第一定律的总热效率来判断热电冷联产系统的节能性往往会造成假象,只有用基于热力学第二定律的(?)效率来判断才是科学的。
5)  absolute thermal efficiency
绝对热效率;绝对热效率
6)  full insulating efficiency
全绝热效率
1.
Volume efficiency,mechanical efficiency,insulating efficiency η_(ad) of ideal Roots and full insulating efficiency of three leaves Roots blowers with large flow are researched in this paper.
介绍了大流量三叶罗茨风机的容积效率、机械效率、理想罗茨的绝热效率和全绝热效率ηad,对风机的无逆流冷却和有逆流冷却的两种温度变化情况进行了比较分析。
补充资料:绝热压缩效率
分子式:
CAS号:

性质:  即绝热压缩的理论功和实际压缩功之比。实际压缩时应考虑机械损失。实际压缩和绝热压缩前后气体的焓各为i3-i1,及i2-i1,绝热压缩效率ηab可用式表示。另外若气体绝热压缩所需的理论功为Lk,实际功为L1,则ηab=Lk/ L1。若压缩机实际所需的功为Lb时,则Lk/Lbk,即总绝热效率;而L1/Lbm为机械效率。

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