V2EX headrace

Headrace

定义 Definition

headrace(水电/水工):指把水从取水口引到水轮机(或厂房前池/压力管道入口)的水道,常见形式有引水渠(headrace canal)引水隧洞(headrace tunnel)。与把水从机组带走的 tailrace(尾水道)相对。

发音 Pronunciation

/hdres/

例句 Examples

The headrace carries water to the power station.
引水道把水输送到发电站。

After heavy rain, engineers inspected the headrace tunnel for cracks and sediment buildup.
暴雨过后,工程师检查引水隧洞是否有裂缝以及泥沙淤积。

词源 Etymology

head(“源头、上游端”)+ race 组成;这里的 race 不是“比赛”,而是指“水流通道/水渠”(常见于 millrace “磨坊水道”一类用法),引申为“让水快速流动的人工水道”。合起来即“位于上游端、把水引向设备的水道”。

相关词 Related Words

文学与作品 Literary Works

该词多见于水电与水工领域的经典教材与工程写作中,例如:

  • Water-Power Engineering(Daniel W. Mead)
  • Hydraulic Turbines(P. N. Modi 等,教材类著作常用术语)
  • 各类水电站设计/施工技术手册与行业规范(如水道布置章节中常出现 headrace canal/tunnel
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