V2EX design pressure

Design Pressure

Definition / 定义

design pressure(设计压力):工程设计中规定的设备或管道在设计工况下必须能够安全承受的压力值,常用于确定壁厚、材料等级、法兰等级与安全裕量。不同于日常运行压力;在某些规范中还会与最高工作压力等概念区分使用。

Pronunciation / 发音

/dzan prr/

Examples / 例句

The design pressure is 10 bar.
设计压力是 10 巴。

To meet the design pressure, the engineer increased the pipe wall thickness and selected a higher flange rating.
为满足设计压力要求,工程师增加了管壁厚度,并选择了更高等级的法兰压力等级。

Etymology / 词源

该短语由 design(设计) + pressure(压力) 组成,字面义为“用于设计计算的压力”。它在机械、化工与压力容器/管道工程语境中固定化,表示作为设计依据的规定压力,而非实时测得的压力。

Related Words / 相关词

Literary Works / 文学作品

  • *ASME Boiler and Pressure Vessel Code (BPVC)*(《ASME 锅炉与压力容器规范》)
  • Perry’s Chemical Engineers’ Handbook(《佩里化学工程师手册》)
  • Marks’ Standard Handbook for Mechanical Engineers(《马克斯机械工程师标准手册》)
  • Crane Technical Paper No. 410: Flow of Fluids(《Crane 410 流体流动技术手册》)
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