| 单词 | hydraulic jump |
| 释义 | > as lemmashydraulic jump hydraulic jump n. an abrupt change from a fast, shallow flow to a slower, deeper flow at some point in a liquid flowing in an open channel. ΘΚΠ the world > the earth > water > flow or flowing > [noun] > abrupt change in rate of flow hydraulic jump1922 1922 H. E. Babbitt Sewerage & Sewage Treatm. iv. 74 The hydraulic jump will occur when a high velocity of flow is interrupted by an obstruction in the channel, by a change in grade of the invert, or the approach of the velocity to the ‘critical’ velocity. 1969 Chia-Shun Yih Fluid Mech. v. 226 Tidal bores observed in estuaries are hydraulic jumps propagating against flowing water. < as lemmas |
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