scour depth 中文意思是什麼

scour depth 解釋
沖刷深度
  • scour : vt vi 1 (用沙等)擦亮,擦光;擦掉(銹、污點的) (off away out) 洗滌。2 肅清(海盜等);掃蕩。3...
  • depth : n. 1. 深;深度。2. (色澤的)濃度;(聲音的)低沉;(感情等的)深厚,深沉,深刻。3. 進深。4. 〈常 pl. 〉深處;深淵,深海,海。5. 正中,當中。6. 深奧,奧妙。
  1. The scale effects due to unsimilar bed risistance is discussed in detail, and the correct way of scour depth is supposed. at last, a new transport rate formulas of uniform or nonuniform bed load is given

    本文還對由於阻力不相似而引起的比尺效應進行了較詳細的討論,從理論上給出了沖刷深度比尺效應的修正方法及新的均勻、非均勻推移質輸沙率的計算公式。
  2. Choice of slit - type bucket parameters and estimation of scour hole depth

    一級直線邊墻窄縫挑坎參數選擇與沖坑深度估計
  3. For a single plunging jet, two optimization models are respectively introduced according to the jet trajectory distance and the depth of scour pool, and the optimal computation of the jet trajectory distance in xiao - wan project demonstrates that these models are reasonable ; 5

    對于單股挑流消能水舌,以挑距和沖坑深度為控制目標,分別首次建立了優化數學模型,並通過對小灣拱壩單孔挑流水舌的計算,說明所提出的數學優化模型是可用的; 5
  4. The ratio of the length to the depth of scour hole decreases with the increasing scour depth, in spite of the reason is the increase of the air concentration, the decrease of the jet velocity or the decrease of the jet thickness. 5. governing equations of the aerated jet flow are established

    摻氣對沖坑形態並沒有實質性的影響,沖坑的寬深比隨沖坑深度的減小而增大,無論造成沖坑深度減小的原因四) 1大學i學博士學位論文是摻氣、降低流速還是減小入射水舌厚度,其變化規律都可用相同的直線關系表示。
  5. Based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers

    結合魚劍口電站壩下消能防沖試驗研究成果,對低壩樞紐寬尾墩的水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力的影響以及寬尾墩的消能效果等問題進行了初步探討,提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩下覆蓋層深,地質條件差,抗沖能力弱的低壩樞紐的消能防沖問題,從而為具有低水頭,大單寬流量,低佛氏數特點的低壩樞紐泄洪消能開辟了一條新途徑,可供有關低壩樞紐設計與試驗工作者借鑒與參考
  6. Based on the data on scour around large diameter cylinders exposed to waves and currents, effects of every kind of sea enviromental parameters on maximum scour depth are analyzed and guided by dimensional analysis and multidimensional linear regression, an equation is given to compute maximum scour depth around large diameter cylinders in combined waves and currents. compared with some other equations, this equation is more accrete, simpler and clearer and the compute d results are in good agreement with experimental ones

    本論文主要是在總結國內外研究成果基礎上,從波浪與水流共同作用下海床上直立大直徑圓柱建築物周圍的局部沖刷機理出發,研究和探討了圓柱周圍的沖淤形態;分析各種海洋環境參數對最大沖刷深度的影響,並利用已取得的實驗資料,採用量綱分析原理和多元線性回歸分析方法,建立一個波流共同作用下海床上直立大直徑圓柱建築物周圍的最大沖刷深度計算公式。
  7. Therefore the method and the equation developed in this paper to compute maximum scour depth is applicable and provides a reliable and convenient way to access maximum scour depth in engineering

    該公式與現有公式比較,概念清晰、型式簡單,採用該公式計算大尺度直立圓柱建築物基底的最大沖刷深度可給出令人滿意的結果,可供實際工程中估算最大沖刷深度。
  8. Depth detection and analysis on the scour pit around the south spur dyke head of changxin island

    長興島南沿丁壩壩頭沖刷坑深度探析
  9. Long - term scour depth

    長期沖刷深度
  10. 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。
  11. ( 5 ) according to the calculated average section velocity. we can decide the type of the revetment. ( 6 ) when the scour hole depth of the dam head and trail parts is calculated inthe paper. we can validate whether the revetment material is strong enough to resist the degradation of the flood flow

    根據以上計算所得的各斷面平均流速,初步確定需要鋪設的摘要護面類型計算在鋪設護面以後壩首和壩末的沖坑深度,以驗證護面材料是否可以抵抗洪水泄流的沖刷。
  12. 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。
  13. The examinational study on the local scour depth of roadbed along river

    沿河路基局部沖刷深度的試驗與分析
  14. Abstract : based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers

    文摘:結合魚劍口電站壩下消能防沖試驗研究成果,對低壩樞紐寬尾墩的水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力的影響以及寬尾墩的消能效果等問題進行了初步探討,提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩下覆蓋層深,地質條件差,抗沖能力弱的低壩樞紐的消能防沖問題,從而為具有低水頭,大單寬流量,低佛氏數特點的低壩樞紐泄洪消能開辟了一條新途徑,可供有關低壩樞紐設計與試驗工作者借鑒與參考
  15. In this paper, scale models are used to study local scour around bridge piers and abutments, and the scour pit pattern and maximum scour depth, which may serve as a reference for engineering design, are given

    採用系列模型試驗方法,對具體工程大型橋墩在水流和波流共同作用下的局部沖刷分別進行研究,提出了沖刷坑形態和最大沖刷深度,供工程設計參考。
  16. Local scour depth around bridge pier is a very important parameter in design of sea - crossing bridge base

    摘要橋墩周圍局部沖刷深度是跨海大橋基礎設計的重要參數。
  17. The results based on the experiments under steady current and under current - wave interaction show that it is necessary to analyze the dynamic conditions of wave and current in calculation of scour depth around practical bridge piers

    同時,通過單向水流和波浪水流兩種情況沖深結果比較,指出在預測波流共同作用下的大型橋墩局部沖深時,不應將兩種動力條件進行簡單的迭加,而應具體問題具體分析。
  18. Abstract : an experimental investigation of local scour around a new type bridge pier under a clear water regime is presented. the main characteristic feature of flow is relatively large horseshoe vortex flow along the circumference of the pier. and the procession of scour is discussed in this paper. equation for predicting the depth and area of local scour hole is presented. it is significant for evaluating the potential for scour around this type pier

    文摘:介紹了一種新型橋墩即多腹薄壁墩的局部沖刷試驗成果.認為橋墩周圍的水流以繞流橋墩的相對較強的馬蹄型漩渦系為主要特徵.並討論了沖刷過程,給出了預測沖坑深度及大小的關系式,可供估算同類型橋墩的沖刷參考
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