NPSH：净正吸入压头

“净正吸入压头”是“Net Positive Suction Head”的中文译名，在工程领域常缩写为NPSH，以方便书写和日常使用。这一术语尤其常见于美国国家航空航天局（NASA）相关技术文档与泵、流体系统的性能分析中，用于描述防止泵内发生汽蚀所需的最小压力条件。

Net Positive Suction Head具体释义

  • 英文缩写：NPSH
  • 英语全称：Net Positive Suction Head
  • 中文意思：净正吸入压头
  • 中文拼音：jìng zhèng xī rù yā tóu
  • 相关领域： npsh 美国航空航天局

Net Positive Suction Head的英文发音

例句

  1. Based on the working experience, with respect to general feature of pumps used in chemical factories, a set of methods to calculate the parameters, such as flow volume, head, net positive suction head and shutoff pressure, of pumps was summed up.
  2. 在整理以往工作经验的基础上，针对化工厂用泵的一般特点，总结出了一套计算泵的流量、扬程、净正吸入压头(NPSH)和憋压等设计参数的方法。
  3. 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.
  4. 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。
  5. The outlet pressure fluctuating characters were determined by the root mean error. The relationship between the net positive suction head and the pressure pulsation of the pump outlet was set up by the experimental data and then compared with the traditional methods.
  6. 采用压力的均方差来描述泵出口压力波动特性，分析实验数据中泵装置汽蚀余量和泵出口压力波动之间的关系，并与应用传统方法得到的汽蚀特性进行比较分析。
  7. In addition, this paper provides the calculating method of the maxium dynamic NPSH ( Net Positive Suction Head(NPSH) ) for the suction of feed pump.
  8. 在此基础上，进一步提供了更为正确的给水泵最大动态汽蚀余量△h（max）的计算方法。

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