hydraulic radius 中文意思是什麼
hydraulic radius
解釋
水力半徑-
Abstract : the author provides a method for solution of hydraulic tortuosity factor with gas permeability in cores according to the definition of hydraulic tortuosity factor and relations between pore radius porosity and permeability in porous media and give examples of some applications in reservoir experimental studies
文摘:根據水力學迂曲度因子的定義以及迂曲度因子與多孔介質中孔隙半徑、孔隙度、滲透率的關系，提出了一種利用氣測巖心滲透率求取巖心水利學迂曲度因子的方法，並例舉了其在油藏實驗研究中的幾種應用情況。 -
According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger
運用非牛頓流體力學理論和數理方法，結合抽油泵柱塞運動特點，假設液體為不可壓縮的，液體在縫隙中流動的水力半徑很小，呈層流流動，柱塞在每一位置的瞬間，流動做定常流處理，建立了泵筒與柱塞同心和偏心兩種情況下運動方程和邊界條件，引入無量綱坐標、無量綱速度和柱塞與泵筒偏心配合時的縫隙高度，並給出縫隙流流速、流量的解析解。 -
This product is under pressure, small bending radius, the anti - fatigue properties of strong, long life and other characteristics, widely used in metallurgical casting side, oil drilling, engineering machinery, and various types of hydraulic mining extraction machinery
本產品具有承受壓力高、彎曲半徑小、抗疲勞性能強、使用壽命長等特點，廣泛應用於冶金邊鑄、石油鉆探、工程機械、礦山採掘及各類液壓機械等。 -
5. to describe soil water movement with fractal model. the effect of soil pore radius and pore connectivity on soil water movement was studied. in addition of pore connectivity, the prediction of unsaturated hydraulic conductivity is more improved in low water content
將新的土壤結構分形維數應用於對土壤水分運動參數的描述，使飽和導水率和非飽和導水率預測的準確性有了很大程度地提高。 -
Then the kozeny - carmon equation was developed. the new developed fractal model adjusts the measure of the effective pore radius and of the grain radius to the resolution length appropriate for the hydraulic process. the fractal model was applied in the daqing oil field
在此基礎上，利用分形基本理論把kozeny - carman方程改進發展，把顆粒半徑和有效孔隙半徑調整到適于動力傳導過程的解析度尺度，從而建立滲透率的分形模型。
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