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 -> 低汽蚀余量
1)  low-NPSHR
低汽蚀余量
1.
In order to get a good performance on preventing cavitation,the impeller of magnetic driving pump is designed in low-NPSHR method and variable-pitch inducer is installed.
为了获得良好的抗汽蚀性能,对磁力泵叶轮采取低汽蚀余量设计措施,同时配置变螺距诱导轮。
2)  low-NPSHR pumps
低汽蚀余量泵
1.
Compared with common centrifugal pumps, low-NPSHR pumps have smaller NPSHR and better anti-cavitation capability.
与普通离心泵相比,低汽蚀余量泵具有汽蚀余量小,抗汽蚀性能好的特性,通常用于输送易汽化介质,装置汽蚀余量小的情形,因此广泛应用于航天、石油化工、热电厂、消防等部门。
3)  NPSH
汽蚀余量
1.
Computing Method on NPSH of Vane Pump;
叶片泵汽蚀余量的计算方法
2.
Relationship Between the Pressure Decreasing and NPSH;
试分析水泵压力降与汽蚀余量的关系
3.
Discussion on NPSH problems in selecting filter press feed pump
压滤机入料泵选型中汽蚀余量问题的探讨
4)  net positive suction head
汽蚀余量
1.
This paper provides an analysis of the causes for cavitation in water pump,and the interrelationships between cavitation and installation level as well as the relations between installation level and vacuum degree and net positive suction head using energy equation.
分析了离心式水泵发生汽蚀的原因,指出了它与安装高度的内在联系,并运用能量方程说明安装高度与真空度及汽蚀余量的相互关系。
2.
The relation ship of net positive suction head of pump versus silt-content in silt- leder water flow is analyzed and established theoretically.
从理论上分析推导了抽送含沙水流时泵的汽蚀余量随含沙量的变化关系。
3.
According to the formula of net positive suction head of centrifugal pump,the main factors which affect pump cavitation are the design of pump casing and impeller inlet.
根据离心泵汽蚀余量的计算公式来分析影响泵汽蚀特性的因素,主要包括泵体设计和叶轮进口设计。
5)  cavitation of pump
泵汽蚀余量
6)  NPSH
允许汽蚀余量
补充资料:汽蚀余量
分子式:
CAS号:

性质:离心泵的叶轮低压区单位重量液体所具有的超过该温度下饱和蒸气压的富裕能量(压头),以m为单位。为避免发生汽蚀现象,对于给定的泵,在给定转速和流量下,应有一个必须的汽蚀余量,称必须汽蚀作量,其值由半径验公式给出。

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