flume experiment 中文意思是什麼

flume experiment 解釋
水槽試驗
  • flume : n. 〈美國〉1. 斜槽；渡槽，流水槽，滑運溝。2. 峽流。vi. 利用水槽，建造水槽。vt. 用水槽運送（木材等）。
  • experiment : n 實驗；試驗；嘗試 （of） a scientific experiment 科學試驗，科學儀器設備。 a new experiment in ed...
  1. The flume experiment with single spur dike is carried out. water surface profile and velocity field of flow in flume are measured by manometer tube and propeller current meter respectively

    首先進行了單丁壩水槽實驗，採用測壓管和旋漿流速儀對實驗水槽中水流的水位以及流速場進行了詳細的測量。
  2. Based on the extended shallow water equations, numerical model is established. verifications and comparison are done to verify its validity by the flume experiment with submerged dike

    據此應用dsi法建立了相應的計算模式，利用水槽試驗進行驗證，並將該模式的計算結果與淺水方程的結果進行比較。
  3. Only the method for using backwater expression can predict the variation of water surface near the spur dike very well. numerical simulations of the flume experiment cases are carried out with the standard k - e turbulence model

    隨后採用標準k一e紊流數學模型，依據水槽試驗資料，數值模擬了繞壩和漫壩兩種情況下水流的流動過程。
  4. The results of flume experiment indicated that, the flow velocity and froude number of the overland flow would fall with the rainfall splash intensity rose ; the flow depth and resistance coefficient would enhance with the rainfall splash intensity increased

    水槽試驗結果表明：水槽槽面薄層水流流速及弗汝德數隨雨滴打擊強度的增加而降低，水深、阻力系數隨雨滴打擊強度的增加而增加。
  5. By means of the study the main results are listed as follows : ( 1 ) the results of flume experiment and simulated rainfall experiment with a fixed intensity indicated that, the influencing degree of rainfall on overland flow velocity had something to do with the runoff discharge above and rainfall intensity

    通過研究取得了如下結論： （ 1 ）水槽放水試驗和定雨強模擬降雨試驗結果表明，降雨對坡面薄層水流流速的作用與放水流量和雨強大小有關。
  6. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點，將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區，並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點，提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上，對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析，提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式，得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解，並與實測資料吻合較好
  7. However, according to ann ' s theory, making use of visual basic development tool, friendly - interface single output three layers " artificial neural network generator base on improved bp algorithm has been developed by the author, and after constructing the model, the value of d _ ( cmax ), finally the gross bed - load transport rate of non - uniform sediment with a wide distribution in flume experiment of stead sediment transportation have been forecasted

    筆者採用的途徑則是根據人工神經網路理論，利用vb開發出界面友好、基於改進bp演算法的多輸入單輸出三層神經網路生成器軟體，並採用該生成器建模，對平衡輸沙狀態下的水槽輸沙試驗的d _ （ cmax ）和總輸沙率進行預測計算。
  8. Experiment materials : jar, windpipe, limewater, flume and the experiment record chart for each group

    學生用材料：廣口瓶、導氣管、石灰水、火柴、集氣瓶、水槽和小組實驗記錄表。
  9. Through flume experiment and numerical simulation, preliminary work on computation of water surface profile in regulation river reach, numerical simulation of flow with single spur dike in flume, and 3 - d numerical solution of flow around spur dikes group are carried out in this paper

    本文通過模型實驗和數值模擬相結合的研究方法，在整治河段一維水面曲線計算，單丁壩繞流數值模擬，紊流數學模型在航道整治工程中的應用以及丁壩群附近水流的三維流動特性等方面做了一些初步研究。
  10. The application study of improved bp algorithm in sediment science - using two set of experiment data mentioned above, the value of d _ ( cmax ) and gross bed - load transport rate in non - uniform sediment with a wide distribution in flume experiment of stead sediment transportation have been forecasted by ann generator

    改進bp演算法在泥沙科學中的應用研究?將收集整理后的兩次水槽試驗實測資料作為數據來源，利用生成器生成網路對水槽平衡輸沙試驗中的最大起動粒徑和總輸沙率進行預測。
  11. The main contents are as follows : section - of theory of sediment transportation - on the basis of comprehensive review of the study achievements on sediment transport, pros and cons in using classical regression model based on lms during establishing formula in sediment incipient motion and bed - load transport rate ; experiment data in non - uniform sediment with a wide distribution in flume experiment of stead sediment transportation are been collected and coordinated

    本文的主要內容包括：泥沙輸移理論部分：對前人的相關泥沙起動輸移研究結果總結性的回顧，分析了採用最小二乘法的傳統回歸模型在泥沙起動公式和輸沙率公式處理中的四川大學碩士學位論文人工神經網路理論及其在泥沙科學中的應用研究優點和缺點:收集並整理了兩組平衡狀態下的輸沙試驗資料。
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