水流摩阻 的英文怎麼說

中文拼音 [shuǐliú]
水流摩阻 英文
flow friction
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 摩構詞成分。
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
  1. L. ruan, g. gu, x. tian “ numerical simulation for circulating systems and experimental comparison of the closed - loop, self - circulating evaporative cooling of hydro - generators ” 《 electrical engineering 》 vol86, no. 3

    阮琳,顧國彪,田新東「大型蒸發冷卻輪發電機的關鍵問題定子空心導線內兩相力放大倍數的比較及修正建議」 《大電機技術》 , 2004 . 4
  2. The paper introduces experience of selecting hydraulic calculation formula and illustrates calculation of critical velocity of flow ( or critical pipe diameter ) and friction loss of pressure pipe in tailings transport and how to select the formula with examples

    介紹工程實踐中,選用力計算公式的體會,對尾礦輸送中臨界速(或臨界管徑)和壓力管道損失的計算以及如何選用公式分別作了舉例說明。
  3. The velocity profiles along the channel section are measured using the laser doppler anemometer. according to the velocity distribution, boundary shear and the coefficient of friction between the flow and rubber panel, is determined

    採用多普勒激光測速儀對過斷面的速分佈進行了測量,並根據速分佈推求出壩面上橡膠板所受的剪應力,和對橡膠板的系數。
  4. The calculation of hydraulic friction in transient flow and the influence of hydraulic friction to transient

    瞬變計算及力瞬變的影響
  5. In order to know the relationship between gas - content and pipeline ' s pressure drop, the thesis deduces the pressure drop calculating equations based on uniform flow pattern and separating flow pattern. the equations show that pressure drop is made up of three parts, that is, friction resistance effect, gas acceleration effect and the gravity effect. and the research has shown that the gas has little effect on pressure drop. in the horizontal pipeline, the resistance effect must be overmatched the acceleration effect

    為探討加入的氣體對管道壓力的影響,本文基於分相和均相兩種模型分別推導了三相管道的壓降公式,表明無論是分相模型,還是均勻模型,管道內體總的壓降是由三項組成的,即擦項、加速項和重力項,並得出了加氣對管壓變化不大的結論,所以認為在平管道中,要獲得有效的減,則要使力分量的減小效應大於漿體加氣的加速效應。
  6. A series of experiments in a wider range of reynolds number were conducted for the investigation on the spatial and temporal distribution of the low - speed streaks in the near wall region of turbulent open channel flow. for the first time, the relationships between the spacing, the width, the length scale in the streamwise direction and the duration time of low - speed streaks and the reynolds number based on shear velocity were revealed

    力光滑區和過渡區對明槽紊近壁區的帶狀結構進行試驗,測量並分析了帶狀結構的分佈,首次揭示出低速帶間距、寬度、縱向尺度及持續時間等隨雷諾數的變化規律。
  7. On the basis of research results of the existing experts and scholars especially the theory put forward by professor xu zhenliang ( my tutor ) that predicts the velocity profiles and friction loss of settling slurry when it flows in horizontal pipe and upward - inclined - pipe, relations among the velocity of water, that of solid particles and that of settling slurry have been established by the analysis of momentum transmission process between water and solid. then the calculation formulae for fricton loss of downward inclined and vertical pipe are deprived

    本文在現有專家學者的研究成果特別是許振良教授(導師)提出的預測非均質平管道及向上傾斜管道動時的速度分佈及損失的理論的基礎上,從動量守恆的角度建立了清速度、固體顆粒速度和漿體速度之間的關系,進而推導出了向下傾斜及垂直管道沉降性漿體輸送的損失的計算公式。
  8. Result of study indicates that the momentum input along with the branch flow toward the downstream and the additional friction induced by the mixing of main streams with branch flows should be considered for rational analysis of the local energy loss at junctions

    研究結果表明,正確分析管道匯的局部能量損失機理,必須考慮匯入斷面上支沿下游主方向的動量輸入和主支間相互摻混引起的附加力的影響。
  9. Based on the measured data, the change of the friction velocity of turbulent flow and the characteristics of the wall shear stress under different sudden roughnesses and different water depths are analyzed herein

    通過實測資料分析不同糙率突變和不同深的紊速變化情況和的壁面切應力的特點。
  10. Based on the measured data of the north - trough and south - trough in the yangtze river estuary, the vertical distribution of the suspended sediment concentration in the yangtze river estuary is simulated by using a one dimensional numerical model of the suspended sediment, and the friction velocity and close - to - bed suspended sediment concentration are briefly analyzed

    摘要根據長江口北槽和南槽實測的沙資料,利用垂向一維懸沙數學模型模擬了長江口懸沙含量及其分佈,並對速和臨底懸沙含量進行了簡要分析。
  11. In the case of computation of invariant flow in the flume, the boundary conditions on bottom and wall of the flumes are managed specially according to the view of wall function method, and the formula about u * is deduced according to the hydraulic characteristic of invariant flow in the flume

    在實驗槽恆定的計算中,根據壁面函數法的基本原理,對槽底及壁面的邊界條件做了相關的專門處理;並根據實驗槽恆定力特性,導出了速計算公式。
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