V2EX set pressure

Set Pressure

释义 (Definition)

set pressure设定压力/整定压力。指设备、系统或控制器预先设定的压力值,达到该压力时会触发某种动作(如安全阀开启、报警、调压器切换、控制系统维持目标压力等)。在安全阀/泄压阀语境中常指阀门开始开启或规定开启的压力点。

发音 (IPA)

/st prr/

例句 (Examples)

The set pressure is 2 bar.
设定压力是 2 巴。

If the inlet pressure rises above the set pressure, the relief valve will open to protect the system.
如果入口压力升高超过整定压力,泄压阀会开启以保护系统。

词源 (Etymology)

set 来自古英语 settan(“放置、设定”),引申为“设定一个数值/条件”;pressure 源自拉丁语 pressura(“挤压”),表示“压力”。组合成 set pressure,字面即“被设定的压力值”,在工程控制与阀门标准中成为常用术语。

相关词 (Related Words)

文学与著作中的用例 (Literary Works)

  • Perry’s Chemical Engineers’ Handbook(《佩里化学工程师手册》):在安全泄放与过程控制章节中常用 set pressure 描述安全阀/泄放装置的整定值。
  • Marks’ Standard Handbook for Mechanical Engineers(《马克机械工程师标准手册》):在流体系统与阀门选型相关内容中使用该术语。
  • Shigley’s Mechanical Engineering Design(《希格利机械工程设计》):涉及压力系统与元件设计/规范表述时会出现 set pressure(多与阀门、系统保护相关)。
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