wall turbulence 中文意思是什麼

wall turbulence 解釋
壁面湍流
  • wall : n 1 墻壁；（石、磚等的）圍墻；城墻。2 （形狀、用途）像墻壁的東西，障壁；土堤，堤防。3 （礦井、容...
  • 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. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。
  2. Experimental study of measurement for dissipation rate scaling exponent in heated wall turbulence

    壁面加熱湍流耗散率標度指數測量的實驗研究
  3. An experimental research on the coherent structure in heated wall turbulence

    壁面加熱湍流相干結構的實驗研究
  4. Effect of heated wall on extended self - similarity of wall turbulence

    壁面加熱邊界條件對湍流擴展的自相似性的影響
  5. Wavelet analysis of detecting multi - scale coherent structures and intermittency in wall turbulence

    子波分析檢測壁湍流多尺度相干結構及間歇性
  6. 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。
  7. 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。
  8. Digital filter algorithm for coherent structures detection in wall turbulence

    用象限法檢測壁湍流相干結構
  9. Experimental research of scaling law in wall turbulence

    壁湍流標度律的實驗研究
  10. An experimental research on the extended self - similarity in wall turbulence

    壁湍流擴展的自相似標度律的實驗研究
  11. Extended self - similar scaling law of multi - scale eddy structure in wall turbulence

    壁湍流多尺度湍渦結構推廣的自相似標度律
  12. This paper studies the diffuser ' s influence on the fadw ' s running properties experimentally including the inner wall and outer wall of diffuser and the backpressure of the diffuser. to prevent the gas of fadw from leaking into the laser cavity because of the effect of layer and turbulence the leak - proof flakes are designed. first the method of the leak - proof flake design is studied and then its influence on the properties of fadw is studied experimentally

    實驗研究了擴壓器對fadw工作性能的影響，提出了擴壓器結構和超音速噴管相對布局參考數據；研究了氣動窗口側壁防漏片的結構對氣動窗口性能的影響，並給出其工程設計方法；同時還研究了擴壓器不同的背壓對整個fadw作性能的影響，據此提出了擴壓器與引射器結合的設計方案，從而為大壓比、高性能的fadw的設計提供了進一步設計參考方法。
  13. And then simulations of gas - particle two phase plane wake and gas - particle two phase plane jet were carried out by using this model. after numerical simulations of the two flow fields were finished, series of analytical work was done. first, the distribution of time - averaged velocity, turbulence intensity was analyzed, and some of the simulation results were compared with those of the experiments ; the coherent structure of vortices in the near wall region of the plane wake flow were studied by describing the evolution of the eddy structures, including the forming, developing and shedding from the wall of the vortices in the near wall region ; the coherent structure of vortices in the whole field was also studied, such as the forming, developing, moving, pairing and merging of the eddies etc.

    在對上述兩種流動形態的二維大渦模擬研究中，首先全面地分析了氣相時均流場的速度、湍流強度的分佈規律以及氣相速度的脈動規律等並就部分數值模擬結果與實驗結果進行了對比研究；分析了平面尾跡流場中近壁處旋渦擬序結構，全面和逼真地反映了近壁處旋渦的生成、發展和脫落的規律；描述分析了平面尾跡流和平面射流的全場流動旋渦擬序結構，從整個流場的角度反映旋渦的生成、發展、運動以及旋渦之間相互配對、合併的作用規律等。
  14. Numerical simulation on the three - dimensional turbulence flow in the pick - up tube is based on reynolds time - average navier - stokes equations. the k - turbulence - closed model is used in this paper. in the near wall area the standard wall function is used

    對集流管的三維粘性紊流模擬計算是建立在雷諾平均的navier - stokes方程的基礎上，紊流封閉模型採用目前工程上應用比較廣泛的模型，在靠近固壁區採用了標準的壁面函數法。
  15. The anisotropy invariant map was also introduced briefly. the effect of the distance away from the wall and the reynolds number on the turbulence structure in a pipe flow was also analysed

    介紹了湍流不變量圖在圓管湍流研究中的應用，分析了離壁距離和雷諾數對管流湍流結構的影響。
  16. Numerical results show that the bubble concentration distribution can be predicted by using the two - way coupling of the fluid and the bubble motion, and adding the wall lift force into the bubble motion equation, and the fluid velocity, turbulence intensity and shear stresses modified by the bubble motions can also be revealed

    數值模擬結果表明，通過加入壁面升力和採用雙向耦合方法，可以較準確地預測氣泡濃度分佈和揭示氣泡流動對流體湍流結構的影響。
  17. In some areas, such as the entrance of annular space, vicinity of the roof of annular space, vicinity of the wall, the distributions of turbulence intensity varied sharply, and turbulence was strongly anisotropic

    環形空間入口處、近壁和頂部附近的湍流度變化非常劇烈，呈現強烈的各向異性。
  18. 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。
  19. Extended self - similarity of temperature structure function and its hierarchical structure model in wall turbulence

    壁湍流溫度擴展的自相似性及其層次結構模型
  20. Initial study of a theoretical near - wall turbulence model

    一種近壁理論湍流模型初探
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