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1)  pressure exergy loss
压力火用损失
1.
The calculation equation of exergy transfer efficiency is derived for heat exchanger considering pressure exergy loss.
在考虑压力火用损失的情况下,给出了换热器传火用有效度的计算式。
2)  exergy loss
(火用)损失
3)  exergy loss
火用损失
1.
Some effect factors on the exergy efficiency of cycle and the exergy loss of components such as compression ratio of compressor,isentropic efficiency of expander,cold energy loss,and temperature difference in heat exchangers are discussed.
找出了系统火用效率和各部件火用损失随着压缩机压比、膨胀机等熵效率、跑冷量、换热器冷热流体平均温差变化的规律,并提出减小循环跑冷量、换热器内冷热流体温差,以及提高压缩机压比、膨胀机等熵效率、物料分配均匀度以提高循环性能和系统火用效率的措施。
2.
The exergy loss of primary steam after temperature and pressure reduction is calculated.
计算了一次蒸汽经减温减压后的火用损失。
3.
The results show that exergy loss of the designed intercooler is very small.
计算结果表明 ,由此方法设计的中间冷却器火用损失较
4)  pressure loss
压力损失
1.
Inspecting defects inside impeller of electric submersible pump by fluid pressure loss measurement method;
流体压力损失法检测电潜泵叶轮缺陷的研究
2.
Design and Calculations of the Pressure Loss of Venturi Scrubbers;
文丘里洗涤器压力损失的设计计算
3.
Computerization of pressure loss and equalization in multibrached suction pipeline;
多分支吸风管路压力损失及平衡的计算机处理
5)  pressure drop
压力损失
1.
Theoretical approach to pressure drop across cyclone separators;
旋风分离器内压力损失的计算
2.
Experiment and analysis of pressure drop characteristics of flexible duct in air conditioning systems;
空调系统柔性风管压力损失特性实验与分析
3.
Effect of factors on pressure drop in the inertia separation chamber of stripper combine harvester with air suction;
气吸式割前摘脱联合收割机惯性分离室压力损失的影响因素
6)  pressure losing
压力损失
1.
Taking the object of transporting carbon black,analyzed the transportation pressure losing of level pipe、vertical pipe and bend pipe of the pneumatic transportation pipe line,gained the pres-sure losing formula of the three sorts of pipe line.
对以炭黑为输送对象的气力输送管道中水平管、垂直管和弯管的输送压力损失分别进行了分析,得到了炭黑在这3种输送管道中的压力损失计算公式。
2.
The result showed the pressure losing with two times draught was slightly lower than that with no two times draught's while empty running.
对吸粮机装置中的单筒型吸嘴进行了实验研究,得出吸粮机空载运行时,有二次进风口的单筒型吸嘴压力损失略低于无二次进风口的单筒型吸嘴压力损失;重载运行时在同一风速下,有二次进风口的单筒型吸嘴输送产量高于无二次进风口的单筒型吸嘴的产量。
3.
According to pressure losing coefficient of hydraulic system parts tested by experiment, the advancing velocity of powered support was calculated under a certain condition.
通过实验室实验来确定支架液压系统各元件的压力损失系数,计算出在一定条件下的液压支架移架速度,计算结果反映了支架移架速度的实际情况,该方法现已应用于支架的液压系统设计并取得良好效果,实现快速移架系统的定量化设计。
补充资料:压力损失
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性质:任何实际流体,在流动时均有摩擦阻力发生,因此必须消耗部分的机械能以克服此摩擦阻力。机械能的损失则导致流体的压力下降。这种压力降称为压力损失,亦称摩擦损失或阻力损失。以符号-Δp表示。Δp之前冠以负号,表示由流体阻力所引起的下游压力低于上游压力之值。在工程应用上,压力损失常表示为压头损失hf。hf=-Δp/γ,式中γ为流体的重度,kg/m3,Δp的单位为Pa。故hf为每一公斤流体所损失的机械能N·m。

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