V2EX heat loss

Heat Loss

定义 Definition

heat loss热量损失/热损,指热能从较热的物体、系统或空间向较冷的环境转移而“流失”的现象,常见于建筑保温、供暖系统、人体散热与工程热学等语境。(也可引申指效率降低带来的能量浪费。)

发音 Pronunciation

/hit ls/

例句 Examples

The jacket reduces heat loss in cold weather.
这件夹克能在寒冷天气里减少热量损失。

Engineers measured heat loss through the walls to improve the building’s energy efficiency.
工程师测量了热量通过墙体的损失,以提高建筑的能效。

词源 Etymology

该短语由 heat(热) + loss(损失) 构成,是典型的科技与日常英语复合名词搭配。heat 源自古英语 htu(热、热度),loss 源自古英语 los(失去、损失)。合在一起用于描述“热被带走/散掉”的结果,后来在物理学与工程领域中得到更精确、频繁的使用。

相关词 Related Words

文学与著作 Literary Works

  • Heat and Mass Transfer(Incropera 等):以“heat loss”讨论通过壁面、管道与换热设备的热损。
  • Fundamentals of Heat and Mass Transfer(Incropera 等):在传热分析与工程计算中频繁使用该术语。
  • Introduction to Heat Transfer(Bergman 等):在保温、散热与能量平衡章节中出现“heat loss”。
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