two-dimensional turbulence 中文意思是什麼

two-dimensional turbulence 解釋
二維亂流
  • two : n. (pl. twos)1. 兩人;兩個東西,一對。2. 二的記號。3. 兩點鐘。4. 兩歲。n. -ness
  • dimensional : adj. 1. 尺寸的。2. 空間的。3. 【數學】因次的;…次(元)的。
  • turbulence : n. 1. (風等的)狂暴;激流(現象)。2. 騷亂,動亂;強橫。3. 【氣象學】亂流。
  1. In this paper, the standard three - dimensional k - two - equation turbulence model which modifies the item of buoyant effect and simple algorithm are adopted, wall functions are used to deal with the boundary condition and a simplified method - box method is used to model the supply air boundary condition

    本文數值計算採用經過浮升力項修正的k -兩方程模型和simple演算法,壁面邊界條件採用標準壁面函數,風口邊界條件採用盒子方法。廠房內的氣流運動主要受風口出流動量的制約,因此選擇合理描述入流邊界條件的風口模型對數值模擬至關重要。
  2. In this article, simulations of air distribution in the vav air - conditioned office are carried out in the cases of different air - supplying diffusers including slot diffuser, sqaure grille, bar grille and square diffuser to supply air, the standard three - dimensional k - ? two - equation turbulence model with correctional item of buoyancy effect and simple algorithm are adopted, and wall function method is used to handle boundary conditions

    本文採用經過浮升力項修正的-兩方程模型和simple演算法,應用壁面函數法處理邊界條件,對利用包括條縫風口、方型百葉風口、長條型百葉風口和方型散流器不同型式送風口送風的變風量空調房間內的氣流組織進行了模擬。
  3. The - two - equation turbulence model and the control - volume integration method and simplest algorithm were employed to simulate the three dimensional, isothermal, incompressible, rectangular two - impinging - jet on a flat plate

    本文採用-紊流模式,使用控制體積積分之有限差分法及simplest計算程序,進行三維、恆溫、不可壓縮、矩形雙噴射撞擊流場之數值模擬。
  4. After a thorough analysis of the properties of flow field, following the thinking of simulating gas phase flow by les and simulating particles " motion in lagrangian approach, a two - dimensional mathematical model of gas - particle two phase turbulence was founded

    在對流場特性進行全面分析的基礎上,根據對氣相流場採用大渦模擬,對顆粒相運動採用lagrangian方法進行求解的思路,建立了二維氣粒兩相湍流流動數值模擬的數學模型。
  5. Large eddy simulation of gas - particle two phase turbulence was carried out, such as simulation of two - dimensional gas - particle two phase wake, two - dimensional gas - particle two phase jet and three - dimensional gas - particle two phase rectangular jet. in these works, les was adopted to simulate gas phase flow and lagrangian approach was utilized to simulate the particles " motion. a series of significant and interesting results were obtained

    文中對二維氣粒兩相平面尾跡流場、二維氣粒兩相平面射流流場以及三維氣粒兩相矩形射流流場中的氣相流場進行了大渦模擬、對顆粒運動擴散採用lagrangian模擬研究后,取得了一系列具有重要的理論意義和實際意義的研究成果。
  6. At last, three - dimensional mathematical model of gas - particle two phase turbulence was established, and it was adopted to study the gas - particle two phase rectangular jet as well. the distribution of the time - averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results ; the coherent structure of flow field was described in the three direction, the evolution and motion of the eddies was discussed too ; the dispersion of fine particles in the three dimensional space was also investigated

    全面地分析了矩形射流氣相時均流場的速度、湍流強度的空間分佈規律,並就部分數值模擬結果與實驗結果進行了對比研究;描述分析了氣相流場湍流擬序結構,對流向、橫向和展向三個方向旋渦的空間結構特點進行分析研究,並分析了流向渦隨時間變化的發展、運動規律。
  7. In this paper, two - dimensional and three - dimensional flow models in supersonic inlet and a simple reacting flow model in combustor and integrated flow field are established on the basis of k ? two - equation turbulence model and steady - compressible n - s equations, which are dispersed by finite volume method

    本文以定常可壓縮n - s方程作為控制方程,採用-雙方程模型作為湍流模型,分別建立了超聲速進氣道的二維、三維流場計算模型和補燃室及一體化流場的湍流燃燒模型,並採用有限體積法對控制方程進行離散。
  8. Turbulence over flat wall is presented with the cfd software cfd ace ( u ) when given by various inlet boundary conditions, subgrid model and turbulence intensity under the two - dimensional circumstance. on comparing these outcomes with the experimental data, we can analyze the impacts that all these factors have on the development of flow boundary layer

    採用計算流體力學軟體cfdace ( u ) ,在二維情況下應用不同的進口邊界條件、亞格子模型和來流湍流度對平壁流動進行大渦模擬,並將模擬結果與已有的實驗結果進行對比,分析比較了這些因素對流動邊界層發展的影響。
  9. Using the program two and three - dimensional numerical simulation of wind flow around single or multiple buildings can be achieved and the detailed flow condition including wind velocities, pressures and time - average characteristics of turbulence can be obtained. in order to attain the required accuracy efficiently multi - layer local refinements can be carried out based on the initial division grid

    程序採用fortran語言編制,可實現二維和三維單體及群體建築的繞流風場的模擬計算,獲得建築繞流風速、表面風壓及湍流平均特性等數據;可通過對初始網格實施多層次的網格局部加密,以使風場解達到最終的精度要求。
  10. This paper studies the 50 and 42. 5 valves, which used in bk183 - 5 rocket engine of a100 long - range multicell rocket projectile with numerical calculation. the results of simulation are consistent well with theory and experiment. the calculation starts off with simple two - dimensional model, as well as coupled implicit solver and advanced v2f turbulence model are used

    本文對採用負壓切換的用於a100遠程多管火箭彈bk183 - 5姿控發動機的50閥以及在其基礎上改進的42 . 5閥進行了數值計算,取得了較為滿意的效果,計算結果與理論分析和實驗數據都十分接近。
  11. Numerical simulation of shock turbulence boundary layer interaction in two - dimensional nozzles

    超聲速欠膨脹沖擊射流的數值模擬
  12. An implicit lu - sgs ( lower - symmetric gauss - seidel ) finite - volume method is used for solving the full, compressible, two - dimensional navier - stokes and species transport equations. for turbulence closure a two equation ( k - e ) model is used. the combustion process in chemical nonequilibrium is modeled by a 7 - species, 8 - reaction steps finite - rate chemistry and is implicitly coupled with the fluid motion

    採用lu - sgs有限體積法求解了包括兩方程( - )湍流模型和7組元8方程有限速率化學反應模型的緊耦合二維n - s方程,數值模擬了氫燃料在燃燒室內的化學非平衡燃燒過程。
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