k-model 中文意思是什麼

k-model 解釋
場模計算中常用的處理湍流流動的模型
  • k : （pl Ks K s; ks k s ）1 英語字母表第十一字母。2 K字形物體[記號]。3 一個序列中的第十一〈若 J 略去...
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. At the same time, the method combing the vof model of water and gas currents and the k - ? model is also introduced into the calculation and analogue

    並引進水氣兩相流的vof模型，與k -模型結合的方法進行計算模擬。數值求解採用simple演算法的改進形式simplec演算法。
  2. Under considering the impact of bubbles on the turbulence, the k - ? model modified with the presence of microbubbles is employed, postulating the turbulent kinetic energy k and the dissipation rate ? are the properties of continuous phase

    考慮到氣泡對湍流的作用，本文採用了經過氣泡修正的k -湍流模型，並假定湍動能k及其耗散率是連續相的屬性。
  3. 3. based on the wall equation and k - ? model, the variable c ? and the variable lm were used to improve the numerical simulation of pipe flow with the tripping annulus at the inlet

    在壁函數和-模型的基礎上，採用了變模型常數c _ （ l ）和變混合長度l _ m的方法對入口處帶有擋環的圓管湍流模擬計算進行了修正。
  4. Numerical simulation of the turbulent transport in membrane modules by k - model in two dimensions

    模型模擬計算膜管內的二維湍流流動
  5. 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。
  6. To the cabin which is designed by the forth department chongqing communication college, the model which includes the air in the cabin, generator set and public muffler is built integer, meshed, and added by boundary condition and load. the normal k - model etc are used to be turbulence model of the air in cabin respectively, the turbulence model is calculated by simplef or simplen algorithm, and by the first order accurate msu or the second order accurate supg in advection discretization scheme

    論文對艙內空氣、發電機組和公用消聲器進行了整體建模和網格劃分，施加機組艙模型的邊界條件和載荷，採用標準k -等多個模型來分別模擬機組艙通風散熱的空氣湍流流動，採用simplef和simplen兩種不同的數值演算法以及一階msu和二階supg的對流項分離方案來對流動模型進行運算。
  7. Relaxation factors are adopted. a program is produced to simulate swirling air flow in a horizontal straight pipe and compare with experiment data. the simulation prove that the modified k - model can predict the core, annular and wall regions near entrance and axial velocity far from entrance, but it ca n ' t predict tangential velocity well in weak swirling area far from entrance

    編程計算水平圓管內螺旋氣流的流動參數並與實驗數據對比，結果表明修正-湍流模型在近入口處基本上能預測出中心區、環形區和近壁區的流動特性，在遠離入口弱旋流區域對軸向速度的預測符合實際情況，但是出現對周向速度修正過大的現象。
  8. When dealing with a low swirl number flow, the results by renormalization group ( rng ) k - ? model agree well enough with experiments, so we do not have to apply reynolds stress model ( rsm )

    在計算弱旋氣相流動時， rng ?模型可以滿足工程上的精度需求，因而沒有必要運用計算量很大的雷諾應力模型。
  9. At the same time, it presents three turbulence models ( standard k - ? model, renormalization group k - ? model and reynolds stress model ) which have been used widely at present, and then their merits / shortcomings have been compared while being used to calculate swirling jets

    文中對目前應用較多的?模型、重正化群（ rng ）的?模型及雷諾應力模型進行了理論上的分析，經過對不同旋流強度的旋轉射流的計算，比較了它們在實際求解中的優劣。
  10. Application of rng k - model in numeral simulation of turbulent flow in cylinder

    模型在內燃機缸內湍流數值模擬中的應用
  11. The realizable k - model is more reasonable in the chamber simulation on the common condition for its little computation amount

    可實現性k -雙方程模型因其計算量小，耗費機時少，所以在一般的計算條件下用於爐內模擬更為合理。
  12. Governing equations of a modified k - model is derived in a three - dimensional cylindrical polar coordinate system, and an available equation is produced

    首先給出單相螺旋流流場在三維圓柱坐標下的修正-湍流模型的控制方程，得出控制方程組的通用形式。
  13. As to the gas phase flow field, author chooses the standard k - model, the realizable k - model and the reynolds stress model to make simulation and comparison

    對于氣相流場，本文作者針對k -雙方程模型，可實現性k -雙方程模型以及雷諾應力模型進行了模擬比較。
  14. Based on the unproved vof method, parametric studies have been carried out for random wave slamming on open piled wharf by numerical simulation. the governing equations are reynolds time - averaged equations and two equations k - model

    為能反映出波浪沖擊過程的湍流特徵，以湍流運動方程? ?雷諾方程，及修正的?模型封閉雷諾方程為控制方程。
  15. In the same case of the initial conditions and boundary conditions the expectation result of the realizable k - model and the reynolds stress model is better to the standard k - model, and moreover the expectation result of the reynolds stress model is close to the test result

    發現在相同初始條件和邊界條件下、可實現性k -雙方程模型和雷諾應力模型預報結果優于k -模型，而雷諾應力模型預報結果與試驗結果更為一致。
  16. Numerical calculations are performed by the standard k - model and dynamic mesh capability on vehicles being in crosswinds, running in tunnel, passing by and overtaking each other. their aerodynamic characteristics are analyzed and some different turbulence properties are obtained

    本文對fluent進行二次開發，採用動網格技術及標準k -兩方程湍流模型對類車體在側風情況、穿越隧道及超車、交會過程進行三維非定常數值模擬，獲得了規律性的認識。
  17. The numerical simulation of the cabin indicates : the normal k - model is adaptive to simulate the air flow ; the simplen algorithm can satisfy the requirement of calculation for its rapid convergence velocity ; the second order accurate supg in advection discretization scheme can attain more precise result

    模擬結果得出如下結論：標準k -模型對系統流動模擬是適合的； simplen演算法收斂更快，滿足運算的需要；採用二階supg的對流項分離方案可以獲得更高的計算精度。
  18. Using fluid analyze software, the 3d turbulent flow is stimulated based on navier - stokes equations and k - model. the turbulent flow through axial flow pump impeller is simulated by using the non - uniform triangle mesh system and the finite volume method. calculated results are presented at the design operating condition for the impeller in detail, which give a valuable reference to improve the performance of the impeller

    最後，應用cfx流體分析軟體，基於n - s方程和標準-紊流模型，採用非結構化網格技術，用聯立求解各變量代數方程組的方法對設計工況下的軸流泵葉輪內部的三維紊流場進行了詳細的數值計算與分析，並預測其性能。
  19. The current cfd soft wares were introduced. secondly, there were the correlative knowledge about the time averaged reynolds equation, the criterion k ? model, the simple method, the technology of unstructured mesh, the terminal condition and the modeling method

    詳細分析與本文研究相關的雷諾時均方程、標準k -模型、 simple計算方法、非結構網格技術、邊界條件以及所用到的幾何建模方法。
  20. The computational region was composed of fluid region enclosed by stator and rotator disks, as well as inner and outer shrouds, and solid region, that is rotator disk. the main research work and results are the following : 1 ) numerical study was conducted for the flow problem inside a typical rotator - stator cavities with different turbulent models including 1 - equation model and high k - model rng k - model

    論文主要工作和結果如下： （ 1 ）針對典型的轉-靜盤腔模型進行數值研究，通過對單方程模型、高k -模型和rngk -模型獲得的計算結果進行比較以及與相關試驗數據驗證，結果表明， rngk -模型較高k -模型和單方程模型更能準確地模擬轉靜盤腔的流動。
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