河床加速沖刷 的英文怎麼說
中文拼音 [héchuángjiāsùchōngshuā]
河床加速沖刷
英文
accelerated stream bed erosion- 河 : 1 (天然的和人工的大水道) river 2 (指銀河系) the milky way system; the galaxy 3 (特指黃河) t...
- 床 : i 名1 (供人睡覺的傢具) bed; couch 2 (像床的器具、地面) something shaped like a bed Ⅱ量詞(用...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 刷 : 刷構詞成分。
- 河床 : riverbed; bed; poised river; [英方] waterstead; cauce
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( 5 ) lowing down the dam body will reduce the digging deep of the stilling basin, decrease the velocity of flow on the dam body and cut the difficulties of
但下遊河床的沖刷加大,防護工作增加。降低壩體可以減小消力池的挖深,降低壩面流速和壩面的防護難度。The existing results about scour hole was summarized. experiments was made about the influence of aeration on scour, the dynamic pressure on the original riverbed and the scouring hole bottom, and the influence of aeration on the dynamic pressure and the velocity of submerged jet. scour was simulated by numerical model
在總結前人研究成果的基礎上,試驗研究了摻氣對基巖沖刷破壞的影響;基巖沖刷過程中沖坑底部脈動壓強隨沖坑深度的增加而變化的特性;摻氣對沖坑未形成前河床底部及基巖沖刷坑底部脈動壓強的影響;摻氣對射流軸線流速變化的影響等。
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