V2EX thermal runaway

Thermal Runaway

释义 Definition

热失控:指系统(常见于电池、反应器、电子器件等)产生的热量超过散热能力,导致温度自我加速上升,进而引发性能崩溃、起火甚至爆炸的危险过程。(也可泛指任何“温度越高反应越剧烈、反过来又更升温”的失控循环)

发音 Pronunciation (IPA)

/θr.ml rn.we/

例句 Examples

The engineer added a cooling system to prevent thermal runaway.
工程师加装了冷却系统来防止热失控。

If a lithium-ion cell is damaged or overcharged, thermal runaway can cascade through the entire battery pack.
如果锂离子电芯受损或过充,热失控可能会连锁蔓延到整个电池包。

词源 Etymology

thermal 来自希腊语 thermē(热),经由拉丁语/法语进入英语,表示“与热有关的”。runaway 原意是“逃跑的人/事物”,引申为“失去控制、越变越快的”。工程与安全领域用 thermal runaway 形象地描述“热量像‘脱缰’一样越滚越大”的失控升温现象;在现代语境中尤其常见于锂电池安全讨论。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Linden’s Handbook of Batteries(电池经典参考书,讨论电池故障与安全时常涉及热失控)
  • Lithium-Ion Batteries: Science and Technologies(锂离子电池科学与技术专著,热失控为关键安全主题)
  • Battery Management Systems: Design by Modelling(电池管理系统设计相关书籍,通常在安全策略中讨论热失控风险)
  • NASA 航天器电池安全与失效分析相关技术报告(工程安全文件中常用该术语描述风险机制)
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