熱伝達

ねつでんたつ
noun
heat transfer; heat transmission
technicalscience
1. heat transfer; transmission of thermal energy
In physics and engineering, the transfer of thermal energy—especially between a solid surface and a moving fluid, and more broadly the movement of heat from a hotter to a cooler region by conduction, convection, or radiation.
金属(きんぞく)は熱伝達(ねつでんたつ)が速(はや)い。
Metals transfer heat quickly.
熱伝達(ねつでんたつ)の効率(こうりつ)を上(あ)げる設計(せっけい)が求(もと)められる。
A design that improves the efficiency of heat transfer is called for.
エアコンは空気(くうき)と冷媒(れいばい)の間(あいだ)の熱伝達(ねつでんたつ)を利用(りよう)している。
Air conditioners make use of heat transfer between the air and the refrigerant.

Formed from 熱(ねつ) (heat) + 伝達(でんたつ) (transmission, conveyance). A core term in thermodynamics and heat engineering.

Common collocations

  • 熱伝達(ねつでんたつ)率(りつ): heat transfer coefficient
  • 熱伝達(ねつでんたつ)が良(よ)い: to have good heat transfer

Similar words

  • 熱伝導(ねつでんどう): heat conduction — specifically the transfer of heat within or through a solid; 熱伝達(ねつでんたつ) more often refers to exchange between a surface and a fluid.

Related Words

Compare: 熱伝導(ねつでんどう) (heat conduction)
general
Added 2026.7.11 9:20 · Revised 2026.9.2 13:02
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