V2EX fluid mechanics

Fluid Mechanics

定义 Definition

流体力学:研究液体与气体(统称流体)在静止或运动状态下的行为规律,以及它们与周围边界/物体相互作用的学科。核心内容常包括压力、速度、黏度、湍流、边界层与守恒定律等。(该术语也常作为工程学科名称使用。)

例句 Examples

Fluid mechanics explains why airplanes can fly.
流体力学解释了为什么飞机能够飞行。

In chemical engineering, fluid mechanics is essential for designing pipes and pumps to minimize energy loss and prevent cavitation.
在化学工程中,流体力学对于设计管道与泵至关重要,以减少能量损失并避免气蚀。

发音 Pronunciation (IPA)

/flud mknks/

词源 Etymology

fluid 来自拉丁语 fluidus(“流动的”),与 fluere(“流动”)有关;mechanics 源自希腊语 mēkhanikē(“机械的技艺/方法”),经拉丁语与法语进入英语。合起来 fluid mechanics 字面义即“研究流动物质的力学”,后来成为物理与工程中的标准学科名称。

相关词 Related Words

文学与著作 Literary Works

  • An Introduction to Fluid Dynamics(G. K. Batchelor)
  • Fluid Mechanics(L. D. Landau & E. M. Lifshitz,Course of Theoretical Physics 系列)
  • Acheson: Elementary Fluid Dynamics(D. J. Acheson)
  • Fox and McDonald’s Introduction to Fluid Mechanics(R. W. Fox 等)
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