velocity of flow 中文意思是什麼
velocity of flow
解釋
流動速度-
A test analysis of open canal bottom coefficient of roughness anticlimax on turbulent velocity of flow and intensity of turbulence influence
明渠渠底糙率突減對紊流流速及紊動強度影響的試驗分析 -
When the direction of centrifugal force as same as the velocity of flow, the fuel became short
當加速度的方向與流速一致時，火焰變短。 -
First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well
文中針對氣動技術本身的特性及優點，如：可壓縮，具有緩沖性；能耗損失小，便於遠距離輸送；流量大、流速高，執行元件響應速度快等，以解決振動機械在應用過程中的緩沖、能耗以及使用壽命等問題為目的，設計出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器，並將其成功地運用到振動篩上，取得了較好的效果。 -
Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks
考慮到峰谷電價、用水量變化曲線及用水可靠性因素的影響，分別建立了以最高時流量設計管網的模型和以期望時流量設計管網的模型，以年費用折算值加上清水池年造價折算值為目標函數，以連續性方程、管中流速和鑄鐵管耐壓值等為約束條件，進行并行遺傳演算法對給水管網優化設計的實現。 -
The reaction activity was influenced by the velocity of gas, and the conversion rate was inverse ratio to the velocity of flow
同時研究了反應氣體流速對h _ 2s光催化氧化反應的影響， h _ 2s的去除率與流速成反比。 -
Results show when velocity of flow remains unchanged in the onflow area and openness of the tube is changed, then resistance coefficient changes obviously
實驗結果表明：在湍流區域內流速（量）不變時，改變管件開度，阻力系數變化較顯著；改變流量，管件開度不變時，變化不大。 -
The distribution law of radial velocity of flow field in hydrocyclone
水力旋流器流場徑向速度分佈規律研究 -
So according to the technology regulation of reclamation engineering, hydraulic calculation must be carried out in the design of final closure. this paper firstly introduces the progression and present situation of reclamation engineering, emphasizing on the features of present reclamation and on the experiences and theories of home and abroad ; using fortran perfects the hydraulic calculation program of the closure and makes the program to meet different conditions ( such as considering flood, the variation of time interval, multi - entrance, multi - reservoir capacity ), and after comparing and analyzing a great deal of schemes, the reasonable computation scheme was brought up ; the interface of the program was carried out by the programming language vb to make the process of calculation become easier and more distinct, so the result can be analyzed and handled more directly ; vb is used in the later management of the result to plot the graphic chart of the isoline of the maximum of hydraulic element ( the velocity of flow, the drop height and the rate of flow ) automatically ; finally it was applied in the reclamation project of dongbidao of fuqing
本文首先介紹圍海工程的發展進程與國內外圍海的開發現狀，重點介紹了我國目前圍海工程的特點及在圍海工程實踐中積累的經驗和理論；利用fortran語言完善堵口工程龍口水力計算程序，使程序可以滿足圍海工程復雜工況下（如考慮內港洪水、計算時段的變化、多口門、多庫容、多水閘）的龍口水力計算，並進行大量方案的比較和分析，提出合理計算方案；利用面向對象的可視化編程語言vb進行界面開發，使計算過程有良好的人機界面，更直觀地對計算結果進行分析和處理；計算結果的后處理採用vb編程實現龍口水力要素最大值等值線圖的繪制；並運用所編軟體對福建省福清市東壁島圍墾工程進行龍口水力計算，為堵口合龍提供科學依據。 -
Seawall and sluice are the parts constructed in advance, while final closure is the last part in construction. the hydraulic condition during the final closure process is worse than that during any other processes. and with the compressing of the entrance, the hydraulic condition becomes badly, the drop height of entrance can reach 2 to 3 meter, the maximum velocity of flow even reaches 6 to 8 meter per second and flow condition also becomes complex
海堤和水閘的修建都是圍海工程先期施工的部分，堵口則是海堤修築的最後階段，堵口合龍成敗關繫到圍海工程成敗，由於此階段所遇到的水力條件十分惡劣，口門落差可達2 3m ，流速最大可達到6 8m / s ，且水流極其復雜，根據我國《圍海工程技術規范》規定圍海堵口必須進行龍口水力計算。 -
In the simulation of close water test, varied profiles of velocity of flow are obtained at different leakage location along the detected pipe, the variety values of the water level in the check well are acquired with time, consequently the location of the leakage can be judged
在閉水試驗時，通過模擬沿管道長度方向上不同滲水點的流速的變化，以及得出窨井出口處的水位隨時間的變化值，來判斷管段中最有可能出現滲漏點的位置。 -
Catching jade ore malachite fragment after weathering and erosion bring the flood into the river originally at the mountain, is it pour but lay to carry by river and then, reach low mountain and mountain forebay lead because the velocity of flow is sharply reduced, the malachite is piled up in river shoal and riverbed
夏季冰雪融化河水瀑漲，流水洶涌澎湃。山上的原生玉礦經風化剝蝕后的玉石碎塊由洪水帶入河流中，再由河水攜帶奔流而下，到了低山及山前地帶因流速驟減，玉石就堆積在河灘和河床中。 -
The variation of coarseness and fineness of the component particles in baijiaziu profile and mafangtan profile is caused by river impetus of weihe river, including runoff volume and velocity of flow, which is closely related with climatic factors in guanzhong basin, such as precipitation, temperature and rainfall
白家嘴與馬坊灘河流沉積物剖面粒度變化與渭河水動力變化直接相關，而渭河水動力條件又與渭河流域區域氣候變化有關。因此，粒度在剖面上的變化實質上是氣候波動的結果，利用其變化可重建河流沉積物形成以來的水文、氣候環境的演化歷史。 -
Firstly we investigated the flow field and temperature field of diffusion fuel. when the direction of centrifugal force as same as the velocity of flow, there is a circumfluence of anti - clockwise
首先研究了擴散燃燒時的流場和溫度場。當離心力的方向與流速方向相同時，流場有一個逆時針方向的迴流區。 -
When in experiment, the air was heated by the film heater installed on the above and below surface of channel, adopting various air velocity of flow, test import ' s and export ' s temperature, wall temperature, fluid flux and the drop of pressure, and the other parameter. adopting nu and nu0 to analyze the baffle ' s situation of heat transfer and fluid flow, which baffle was holed various diameters
實驗時，通過矩形通道上下壁面敷設的電加熱膜加熱通道空氣，改變空氣流速，測試不同工況時的進出口溫度、壁面溫度、流體流量和壓力損失等參數，並採用無量綱努謝爾特準則數nu 、 nu _ 0等分析了設置不同開孔折流板的換熱與流動情況。 -
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，選用水力計算公式的體會，對尾礦輸送中臨界流速（或臨界管徑）和壓力管道摩阻損失的計算以及如何選用公式分別作了舉例說明。 -
The potential problems related to the applications of k - model under the new coordinates are analyzed and the distribution formula of vertical turbulence viscidity coefficients is deduced on the base of logarithmic velocity of flow according to the characteristics of the model
分析了在新坐標系下應用k -模型可能存在的問題，並從模型的特點出發，以對數流速分佈為基礎，導出了垂向紊動粘性系數的分佈公式。 -
Allowed working pressure not only relate to material diameter thickness of protective tube it is also relative with its structure form setting measure inserting depth velocity of flow and sorts about measured medium, etc
允許工作壓力不僅與保護管材料直徑壁厚有關還與其結構形式安裝方法插入深度以及被測介質的流速和種類有關。 -
Strain with other difference of method is it filter medium to be space very much little to lie inning a little, the centrifugal force turned round through the screen mesh, under lower water conservancy obstruction, have higher velocity of flow, cut and keep the solid here and suspend
微濾與其它方法的區別在於過濾介質空隙特別小，藉助篩網回轉的離心力，在較低的水力阻力下，具有較高流速性，截留住懸浮固體。 -
In experimentation, the project adopts computer, data collection board, sensor and software. finally, the theory analsis is validated that the contact of noise elimination, velocity of flow, resistance loss
在試驗中，採用了以計算機、數據採集卡、傳感器和處理軟體得到阻性消聲器的動態特性，從而驗證了阻性消聲器的消聲量、氣體流速和阻力損失之間聯系的理論分析。 -
In theory, the noise elimination capacity is calculated by the method which the characteristic equation of noise elimination of the dissipative silencer is translated into the constant differential eguation. and the project simulates and calculates the distributing thing of interior velocity of flow by the finity element
在理論上，採用了將阻性消聲器的消聲量特徵方程轉化為常微分方程的計算方法計算消聲量；在計算阻性消聲器的阻力損失時，運用了有限元數值模擬的方法模擬計算了簡化消聲器模型內部流場流速的分佈情況，並由此得到其動態阻力損失。
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