V2EX heat dissipation

Heat Dissipation

定义 / Definition

散热;热量耗散:把物体或系统产生的热量通过传导、对流、辐射等方式释放到周围环境,以降低温度并保持安全与稳定运行。

发音 / Pronunciation (IPA)

/hit dspen/

例句 / Examples

Good heat dissipation keeps the laptop cool.
良好的散热能让笔记本电脑保持凉爽。

To improve heat dissipation, the engineer added a larger heat sink and optimized airflow through the enclosure.
为了提高散热,工程师加大了散热片并优化了机箱内的气流通道。

词源 / Etymology

heat 源自古英语 htu,意为“热、热度”;dissipation 来自拉丁语 dissipare(dis- “分开” + supare “抛散/散开”),引申为“分散、消耗”。合在一起,heat dissipation 字面即“把热量散开”,在工程语境中常指“把热从热源有效带走”。

相关词 / Related Words

文学与著作中的用例 / Literary & Notable Works

  • The Art of Electronics(Horowitz & Hill):在电路与器件可靠性讨论中涉及元件功耗与heat dissipation
  • Introduction to Heat Transfer(Incropera 等,常见教材版本):在传热分析与散热设计章节中频繁使用heat dissipation
  • Heat Transfer(J. P. Holman):讲解传导/对流/辐射时常用heat dissipation描述系统散热能力。
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