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1)  pressure loss through shock wave
通过激波的压力损失
2)  loss behind the shock wave
激波后的压力损失
3)  pressure rise across shock envelope
通过激波的压力增加
4)  carrying capacity loss
通过能力损失
1.
Based on the actual need of disaster assistance and reduction of railway system, the importance of assessment of indirect economic loss from railway disasters is discussed It is demonstrated that line carrying capacity loss is a main part of indirect economic loss of railway disasters Finally, a assessment model for line carrying capacity loss of railway disasters is propose
针对目前铁路抗灾减灾的实际需要 ,阐述了铁路灾害间接经济损失评估的重要性 ,论证了铁路灾害线路通过能力损失是铁路灾害间接经济损失的主要部分 ,并提出了铁路灾害线路通过能力损失的评估模
5)  shock loss
激波损失
1.
A method for accurate estimation of the transonic cascade shock loss is provided.
在分析了跨声速叶型内激波与附面层相互作用及波系形状的基础上,建立了一种考虑了激波与附面层的相互作用及栅内流动状况的跨声速叶栅激波结构的数学物理模型,并提供了一种可靠评估跨声速叶栅激波损失的方法。
6)  shock wave loss
激波损失
1.
This paper puts forward how the large reduced enthalpy governing stage convergent-divergent nozzles are designed to change model when condensing turbine is transformed into heating turbine in heating-generating electricity combined producing,thus lowering shock wave loss and rasing working officiency.
本文提出在热电联产中 ,将凝汽式汽轮机改为供热式汽轮机时 ,对大焓降调节级缩放喷嘴进行改型设计 ,从而减少了激波损失 ,提高了运行效
2.
The results show that the inter-stage matching of both the stages is quite inappropriate,and the large reaction at the blade root of last stage results in a high shock wave loss.
计算结果表明,动静叶间的级间配合不尽合理,且末级根部反动度偏大,引起了较大的激波损失。
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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