1) Cavitation
[英][,kævi'teiʃən] [美][,kævə'teʃən]
汽蚀
1.
Reutilization of evaporation condensate water and Prevention of cavitation in pump;
蒸发冷凝水回收利用及泵内汽蚀的预防
2.
Centrifugal Pump Cavitation and Its Prevention;
离心泵汽蚀产生原因分析及防止措施
2) cavitation erosion
汽蚀
1.
Application of epoxy resin composite material to the cavitation erosion mending;
环氧复合材料在汽蚀修补中的应用
2.
Analysis on the cavitation erosion of regulating valve and control measures;
调节阀汽蚀现象的分析与控制
3.
Hardness and resistance to cavitation erosion of Fe-Cr-based HVOF-sprayed coating
超音速火焰喷涂Fe-Cr基涂层的硬度与汽蚀性
3) Cavitations
汽蚀
1.
There may be two reasons in relation to vibration:(1) No grid connection with long screw bolt at the flanges of at two ends of extension joint;(2) Vibration arose out from cavitations.
分析中发现引起振动的原因为:(1)伸缩节两端法兰没用长螺杆刚性联接;(2)泵有汽蚀,从而引起振动。
2.
In order to analyze the distribution and the bubble volume of the internal flow field under the condition of cavitations in centrifugal pump,numerical simulation of the threedimensional turbulence cavitations flow field inside impeller was calculated through adoption of hybrid model of twophase flow.
为了分析离心泵发生汽蚀情况下叶轮内流场的分布以及汽泡相的体积分数,采用两相流混合模型对叶轮内三维湍流汽蚀流场进行数值计算。
4) steam corrosion
汽蚀
1.
Steam Corrosion Cause of a Circulating Water Pump and Its Application;
循环水泵汽蚀的原因及改进措施
2.
Associated with the steam corrosion of Hebei some certain power plant circulating water pump,after analyzed the main reasons of circulating water pump steam corrosion,brought forwards the effective measures of this problem,to offer the basis of economic safe operation of the power plant.
结合河北某电厂循环水泵的汽蚀情况,在充分分析了循环水泵汽蚀的主要原因后,提出了解决问题的措施,为电厂的经济安全运行打下了良好的基础。
3.
The reasons of air entering pump have been detailed analyzed for its sudden abnormity and inspection based on the comparison of two accidents: steam corrosion against the pump and air entering pump and combined with the special accident example of the condensate pump.
以600MW亚临界火电机组的立式长轴凝结水泵作为研究对象,通过对水泵汽蚀和水泵进空气2种事故的原因、异同点的介绍和对比,并结合凝结水泵的具体汽蚀事故特例,较为详细的分析了系统运行中突发异常和备用泵检修导致凝结水泵进空气事故的原因。
5) vapor corrosion
汽蚀
1.
On the basis of preventing vapor corrosion and using the basic principle of calculating the physical volume,it is presented that the two methods of calculating the installing height by permissible vacuum suction height HS or net pump suction head Δh are corrected and their results are absolutely consistent.
从防止汽蚀出发 ,通过一系列分析运算说明 ,从允许吸上真空度Hs 或从气蚀余量Δh两种途径计算离心泵最大安装高度 ,方法正确且结果完全一致。
6) pit through
[汽蚀]蚀穿
补充资料：汽蚀
分子式：
CAS号：
性质：又称空蚀。泵运行的一种不正常现象。指泵内的被送流体发生局部压力降，致使被送液体的局部压力低于所处温度下该液体的汽化压力，被送液体局部汽化，液体中含有汽泡，而影响泵的正常运行；泵排液量下降且不稳定、振动和噪音增大，当汽泡随被送液体进入泵高压区，因压力增高汽体液化，汽泡快速破灭（小于0.001s）而局部产生高压（可达350MPa），对泵过流零部件造成冲击，引起零部件损伤和破坏。引起泵汽蚀的原因，主要是泵的安装高度过高或吸入压头过低，NPSH值未达到要求或被送液体温度升高等。
CAS号：
性质：又称空蚀。泵运行的一种不正常现象。指泵内的被送流体发生局部压力降，致使被送液体的局部压力低于所处温度下该液体的汽化压力，被送液体局部汽化，液体中含有汽泡，而影响泵的正常运行；泵排液量下降且不稳定、振动和噪音增大，当汽泡随被送液体进入泵高压区，因压力增高汽体液化，汽泡快速破灭（小于0.001s）而局部产生高压（可达350MPa），对泵过流零部件造成冲击，引起零部件损伤和破坏。引起泵汽蚀的原因，主要是泵的安装高度过高或吸入压头过低，NPSH值未达到要求或被送液体温度升高等。
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参考词条