V2EX heat flow

Heat Flow

释义 Definition

heat flow 指“热流;热量流动”,通常表示热能由于温度差而从高温处向低温处传递的过程;在物理与地球科学中也可特指单位时间内通过某一面积的热量(热通量)。在不同语境下可强调“过程”(热的流动)或“量”(热通量)。

发音 Pronunciation (IPA)

/hit flo/

例句 Examples

Heat flow moves from hot objects to cold ones.
热量会从热的物体流向冷的物体。

Engineers modeled the heat flow through the wall to reduce energy loss in winter.
工程师对墙体中的热流进行了建模,以减少冬季的能量损失。

词源 Etymology

该短语由 heat(热) + flow(流动) 组合而成,属于直观的科技英语搭配:用“flow(流动)”来类比热能像流体一样“沿着梯度”传递。现代科学语境中常与傅里叶热传导理论相关(用数学描述热的传递规律),因此在工程、物理、地质中非常常见。

相关词 Related Words

文学与经典作品 Literary & Notable Works

  • Joseph Fourier,《The Analytical Theory of Heat》(《热的解析理论》):经典热传导理论著作,讨论热量在介质中的传递(相关语境常用 heat flow/flow of heat 来表述)。
  • H. S. Carslaw & J. C. Jaeger,《Conduction of Heat in Solids》(《固体热传导》):热传导领域的权威教材,频繁使用 heat flow 描述固体中的热传递与热通量。
  • Turcotte & Schubert,《Geodynamics》(《地球动力学》):地球科学中常用 heat flow 指“地表热流/地热流”,用于讨论地球内部热量向外的传输。
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