V2EX overboost

Overboost

Definition / 释义

overboost(名词/动词)常指“过度增压超出正常或设定范围的增压”。在汽车涡轮/机械增压语境中,通常指短时间内增压压力高于标定值(可能来自控制策略、故障或改装),可能带来更高动力,也可能增加爆震、过热或机械损伤风险。
(也可泛指“把某事推进到超出合理程度”。)

Pronunciation / 发音

/ovrbust/

Examples / 例句

The turbo can overboost if the wastegate sticks.
如果废气旁通阀卡住,涡轮就可能发生过度增压。

During the climb, the engine management system briefly allowed an overboost to improve torque, but it immediately reduced pressure to protect the components.
在加速爬坡时,发动机管理系统短暂允许过度增压以提升扭矩,但随即降低压力以保护部件。

Etymology / 词源

over-(“过度、超过”)+ boost(“提升、增压”)构成。boost 原意是“推动、提升”,在工程语境里引申为“增压(压力提升)”;加上 over- 后就强调“超过正常/安全范围”。

Related Words / 相关词

Literary Works / 文学与作品出处

  • Corky Bell《Maximum Boost: Designing, Testing, and Installing Turbocharger Systems》:涡轮系统设计与调校的经典改装技术书中常讨论“过度增压(overboost)”、控制策略与风险。
  • 《Bosch Automotive Handbook》(博世《汽车技术手册》):汽车工程与发动机管理相关章节会涉及增压压力控制与异常增压现象(包括 overboost 这类表述)。
  • 汽车工程培训资料/维修手册(如 OEM 服务手册):在故障码说明、增压控制逻辑与诊断流程中常见该词(属于技术文本,文学作品中相对少见)。
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