V2EX thermal energy

Thermal Energy

定义 Definition

thermal energy(热能):物体由于其内部粒子(分子、原子等)的无规则热运动而具有的能量,通常与温度内能密切相关。常见语境中也用于讨论热传递(如传导、对流、辐射)与能量转换。(在更严格的物理表述里,相关概念还会涉及 internal energyheat 等区分。)

例句 Examples

Thermal energy makes the ice melt.
热能使冰融化。

Engineers design insulation to reduce thermal energy loss in buildings during winter.
工程师会设计保温材料,以减少冬季建筑中的热能流失。

发音 Pronunciation (IPA)

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词源 Etymology

thermal 来自希腊语 thermē(意为“热”),经由拉丁语与法语进入英语,用来表示“与热有关的”。energy 来自希腊语 energeia(意为“活动、作用”),在近代科学语境中逐渐固定为“能量”。合起来 thermal energy 即“与热相关的能量”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • The Feynman Lectures on Physics(费曼《物理学讲义》):在讲解热学与统计物理时常讨论热运动与能量分配(相关语境中常出现 thermal energy)。
  • Conceptual Physics(Paul G. Hewitt《概念物理》):以直观方式介绍热、温度与热能的区别与联系。
  • Fundamentals of Physics(Halliday, Resnick & Walker《物理学基础》):在热学与热力学章节中系统使用该术语讨论能量守恒与热传递。
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