V2EX pressure surge

Pressure Surge

Definition / 释义

pressure surge:指管道、容器或系统中压力在短时间内突然升高(或剧烈波动)的现象,常由阀门快速关闭、泵启停、流量突变等引起;在液体管路中常与“水锤”相关。(也可泛指气体/蒸汽系统的瞬时压力突增。)

Pronunciation / 发音

/prr sd/

Examples / 例句

A pressure surge damaged the old pipe.
一次压力突增损坏了旧管道。

When the valve closed too quickly, a pressure surge propagated through the pipeline, triggering alarms and forcing the system to shut down.
当阀门关闭过快时,压力突增沿管线传播,触发报警并迫使系统停机。

Etymology / 词源

pressure 来自中古法语 pression,源自拉丁语 pressio(“按压、压力”),与 press(压、按)同源;surge 源自拉丁语 surgere(“升起、涌起”)。合在一起,字面意思就是“压力的涌起/骤升”,在工程语境中固定指短时的压力突变。

Related Words / 相关词

Literary Works / 文学作品

该术语更常见于工程与技术著作而非传统文学作品,例如:

  • Hydraulic Transients(Wylie & Streeter)讨论管道瞬变与压力突增现象
  • Fluid Transients in Systems(相关流体瞬变教材/专著中常见主题)
  • 各类管道工程与泵站设计手册/标准中的“transients/pressure surge”章节(用于分析与防护设计)
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