说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 渐扩喷管
1)  divergent nozzle
渐扩喷管
2)  divergent nozzles
渐扩喷嘴
1.
The discharge of water with about 20℃ subcooling through divergent nozzles of 2 ̄8 mm diameter and 60° ̄120° divergent angle had been studied under the range of 0.
5MPa的范围内,欠热度约为20℃的水通过喉部直径为2~8mm、扩张角为60°~120°的渐扩喷嘴的流动情况,结果表明:在一定条件下可在这种扩张角的渐扩喷嘴中形成临界流动现象。
3)  Converging-diverging riser
渐缩渐扩提升管
4)  conical diffuser
锥形渐扩管
1.
Fully developed incompressible turbulent flow in a conical diffuser having a total divergence of 8° and an area ratio of 4 has been simulated by a DLR k-ε turbulence model and its BFC(Boundary Fit Coordinates) method.
BFC(边界拟合曲线坐标变换)法,对总扩散角为8°,扩散度为4的锥形渐扩管内充分发展的不可压粘性紊流进行数值仿真。
2.
Fully developed incompressible turbulent flow in a conical diffuser having a total divergence of 8° and an area ratio of 4 has been simulated by a DHR κ-ε turbulence model and it s wall function BFC(Boundary Fit Coordinates)approach.
BFC(边界拟合曲线坐标变换)法,对总扩散角为8°、扩散度为4的锥形渐扩管路内完全发展的不可压粘性紊流场进行了数值仿真。
3.
Fully developed incompressible turbulent flow in a conical diffuser having a total divergence of 80 and an area ratio of 4 has been simulated by DHR k-ε turbulence model and its Wall Function·BFC(Boundary Fit Coordinates)approach.
用DHR型k-ε紊流模型及其壁面函数·BFC(边界拟合曲线坐标变换)法,对总扩散角为80、扩散度为4的锥形渐扩管内充分发展的不可压粘性紊流场进行了数值仿真。
5)  diffuser/nozzle tube
扩张/渐缩管
6)  converging-diverging cones injector
渐缩渐扩锥体式喷射器
补充资料:缩扩喷嘴(converging-diverging nozzle)
分子式:
CAS号:

性质:又称缩扩喷嘴(converging-diverging nozzle)或超音速喷嘴。用于压降很大的气体膨胀的一种喷嘴。这种喷嘴设计的形状与流线型很接近,气体通过它的膨胀几乎是可逆的,由于压力差大使出口流速很大,气体和外界传热时间非常短,可以认为是等熵过程,缩扩喷嘴只有当流速在喉部达到音速,而且出口压力低于喉部压力时,出口流速才能超过音速。此种喷嘴应用于喷气发动机和火箭发动机上。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条