冪律流型 的英文怎麼說
中文拼音 [mìlǜliúxíng]
冪律流型
英文
power law fluid model-
Based on the ostwald - de waele equation, the leakage characteristics of power - law transmitted by helical gear pump are researched, and the leakage model of power - law in the clearence is founded, and - the velocity distributing and the leakage capacity are worked out by the boundary condition. the power loss of leakage is got through the clearence leakage capacity, and the friction power loss is attained by the velocity distributing. the mathematic calculation model
利用冪律流體本構方程,首次對聚合物流體在斜齒齒輪泵中的漏流特性進行了研究,建立冪律流體在間隙中的泄漏模型,利用邊界條件求出速度分佈及泄漏量;由間隙泄漏量得到漏流損失功率,由速度分佈得到流體摩擦功率損失,並得到間隙最優解的數值計算數學模型,同時給出實例及數值計算結果。On the basis of experiment, by using the exponential viscous model, a flow constitution equation of the pattern material ( w ax stock ) used in investment casting has been established. by applying it to the n umeric al simulation system, the numerical simulation on die - filling process of the fus ible pattern material ( wax stock ) used in investment casting has been successfully realized
在實驗基礎上,採用冪律粘度模型建立了熔模鑄造用模料的流動本構方程,將其應用到數值模擬系統中,成功地實現了對熔模鑄造用模料充型過程的數值模擬。Fitting results of three non darcy seepage models including three - parameter model, power exponent model and two - section model were pretty good, and broken line model could be simplified to the forms of linear permeability model and darcy model
試驗與分析結果表明,三參數模型、冪指數模型和非線性分段模型這3種非達西滲流模型的擬合效果較好;折線滲流模型簡單實用,在特殊情況下可以簡化為線性滲流模型或達西定律。Numerical simulation of three dimensiona isothermal power - law polymer melt flow within an extrusion die with the quot; l quot; shaped cross section
型異型材擠出口模內聚合物熔體三維等溫冪律流動的數值模擬The study results show that the minimum ac flashover voltage decreases with the increase of the ice amount accreted on the insulator surface by an exponential law, and the down - trend of the minimum ac flashover voltage will slow gradually with the bridging of the shed of the insulators by icicles, both the average saturated ice amount and the special exponent m of effect of ice amount for different insulators depend on the radius of shed and the air - gaps of the sheds of the insulators, and that the ac ice flashover voltage decrease with the decrease pressure ratio p / p0 ( rise of the altitude ) by power - law for different esdd and icing - states when the altitude is from 4000m to 5500m. the special exponent n, which show the effects of altitude on the flashover voltage, is various with the type of insulator, icing - states and the surface status of iced insulator etc., and that the minimum ac flashover voltage of iced insulators decreases by power - law with esdd or the freezing water conductivity for different ice amount and atmospheric
研究結果表明:在不同海拔高度和等值鹽密esdd下,絕緣子的最低交流冰閃電壓均隨覆冰量的增加而呈指數規律降低;當覆冰量增加到一定程度后,最低交流冰閃電壓隨覆冰量增加而降低的趨勢趨于飽和;不同絕緣子串的平均飽和覆冰量及閃絡電壓的覆冰量影響特徵指數m均與絕緣子的盤徑和傘距等因素有關;在海拔4000 5500m之間,不同等值鹽密esdd和覆冰狀態下,絕緣子的交流冰閃電壓隨海拔高度的增加(氣壓的降低)與p / p0呈乘冪關系降低,氣壓影響特徵指數n與絕緣子類型、覆冰類型、覆冰表面狀況等因素有關;當覆冰量和氣壓一定時,絕緣子的最低冰閃電壓均隨著等值鹽密( esdd )或覆冰水電導率的增加而呈乘冪關系降低,並逐漸趨于飽和。According to the constitutive relation of the fluid, academic model for calculating damping force of viscous damper is first developed
在冪律流體本構關系的基礎上,建立了粘滯阻尼器的阻尼力計算模型。The character of pseudothermal temperature equation is expounded ; numerical computation of two phase flow of power law fluid in different kind of pump impeller blade and under the influence of its material parameters ( viscosity and flow exponent ) has been performed
摘要詳細闡述了顆粒擬溫度方程,計算了不同型線的葉輪及改變冪律流體物性參數對湍流流動的影響。The combined mathematical model of non - newtonian power - law fluids with low - velocity non - darcy flow in fractal reservoirs
分形油藏非牛頓冪律流體低速非達西不穩定滲流的組合數學模型分享友人