aeration hole 中文意思是什麼

aeration hole 解釋
透氣孔
  • aeration : n. 1. 通風，通氣。2. （飲料等的）充氣，吹風。3. （肺中）換氣。
  • hole : n 1 洞，穴，孔；（衣服等上的）破洞；傷口；漏洞；窩，坑；水流的深凹處，（河道的）緩流窪。2 （獸的...
  1. The relationship between the air concentration and the scour depth can be expressed as an exponential function. aeration does not affect the shape of scour hole

    摻氣濃度c _對沖坑深度的影響，可表達為摻氣濃度與沖坑無量綱深度的冪函數關系。
  2. Experiments about the influence of aeration on the dynamic pressure on the original riverbed show, aeration will obviously increase the fluctuating pressure on the original riverbed. 3. experiments about the influence of aeration on the dynamic pressure on the bottom of scour hole show, the influence of aeration on the dynamic pressure on the bottom of scour hole is ruleless

    試驗研究了摻氣對沖坑底部脈動壓強的影響，結果表明：無論沖坑深度為多大，坑底脈動壓強均方根值沿程分佈與不摻氣時相比，沒有確定性的規律，射流摻氣后，沖坑底部的脈動壓強有時增加，有時反而減小。
  3. 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。
  4. 4. experiments about the influence of aeration on scour hole show, aeration decrease the scour depth

    證明了沖刷坑的形成對下游水流流態及坑底脈動壓強特性有較大的影響。
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