V2EX temperature gradient

Temperature Gradient

释义 Definition

temperature gradient温度梯度;指温度在空间中随位置变化的“变化率/斜率”,常用来描述单位距离内温度变化的大小与方向(如 °C/m 或 K/km)。在传热学、流体力学、气象与海洋学中非常常见。

发音 Pronunciation (IPA)

/tmprtr redint/

例句 Examples

The temperature gradient across the wall is steep in winter.
冬天墙体两侧的温度梯度很大。

A strong temperature gradient can drive heat transfer and influence air circulation in the atmosphere.
强烈的温度梯度会推动热量传递,并影响大气中的空气环流。

词源 Etymology

temperature 源自拉丁语 temperatura(“适度、调和、温度状态”),gradient 源自拉丁语 gradiens(“行走、逐步上升/下降”),经由数学与物理语境发展为“斜率/梯度”。合在一起即“温度随空间变化的梯度”。

相关词 Related Words

文献与著作 Literary / Notable Works

  • Transport Phenomena(Bird, Stewart & Lightfoot)
  • An Introduction to Heat Transfer(Incropera 等)
  • Atmospheric Science: An Introductory Survey(Wallace & Hobbs)
  • An Introduction to Fluid Dynamics(G. K. Batchelor)
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