壁面湍流 的英文怎麼說

中文拼音 [miànliú]
壁面湍流 英文
wall turbulence
  • : 名詞1 (墻) wall (of a house etc ) : 銅墻鐵壁 bastion of iron2 (作用像圍墻的部分) wall of st...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : [書面語]Ⅰ形容詞(湍急) rapid; rushing; torrential; swiftⅡ名詞(急流的水) rapids; rushing waters
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • 壁面 : wandung
  • 湍流 : 1 (急流) swift current; rushing waters; torrent; rapids 2 [物理學] turbulent flow; turbulence; ...
  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場速度分佈分析對比后發現,固定閥周圍場存在較強的動,閥側孔與塔板區域以及閥體的上方空間存在明顯的渦區,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

    加熱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

    加熱相干結構的實驗研究
  4. Effect of heated wall on extended self - similarity of wall turbulence

    加熱邊界條件對擴展的自相似性的影響
  5. Experimental research of scaling law in a turbulent boundary layer over heated wall

    加熱標度律的實驗研究
  6. An experimental measurement for the scaling law in a boundary layer over heated wall by metal wires

    金屬絲加熱標度律的實驗研究
  7. The experimental investigation of wavelet transform on coherent structure influenced by heated wires on the wall

    加熱相干結構的子波分析實驗研究
  8. In the last part, an experiential formula for nondimensional thermal stratification height is obtained, which includes inlet temperature t, inlet velocity v, heat transfer of the wall body q and the distance of heat source l. in order to obtain a more realistic result, the ? model is used to simulate the airflow and the buoyancy item is treated by boussinesq hypothesis. the paper investigates the flow field of the displacement ventilation in an office by a numerical method

    兩方程模型為基礎的函數處理方法,對熱浮升力項採用了boussinesq假設,得到了收斂的溫度場、速度場分佈。在此基礎上,給出了熱力分層高度的計算方法,並分析了送風溫度、送風速度、圍護結構傳熱和熱源分佈等因素對熱力分層高度的影響。
  9. Due to its complexity of the problem, the theories and experiment results obtained are discrepant, and some of them are even contrary one another. started from the influence by movement rules of small cavities and solid particles, the mechanisms of combined effect of cavitation and sand abrasion are study in this thesis from the aspect of the turbulent coherent structure near the wall. first, a dynamic equation is established for a single spherical bubble and single spherical sand under the non - turbulent coherent structure near the wall, and then a dynamic equation established under the turbulent coherent structure near the wall

    首先從理論上推導出在典型邊界層模式的非擬序結構下空泡與固體顆粒的近區運動方程,然後推導出擬序結構作用下的空泡與固體顆粒的近區運動方程,再將兩種不同條件下的的運動方程進行比較,指出區的擬序結構對空蝕與磨損的發生具有決定性的意義,即正是由於擬序猝發作用的存在,才使得空泡、沙粒對的空蝕與磨損作用得以發生。
  10. 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.

    在對上述兩種動形態的二維大渦模擬研究中,首先全地分析了氣相時均場的速度、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;分析了平尾跡場中近處旋渦擬序結構,全和逼真地反映了近處旋渦的生成、發展和脫落的規律;描述分析了平尾跡和平的全場動旋渦擬序結構,從整個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。
  11. And then, in the simulation of three - dimensional, the application of o - type grid and hybrid grid are used in two relatively complicated structures make the total amounts of grids and the time of grid generation reduced greatly. moreover the hexahedron grids are placed in most areas to provide higher precision. through the comparison between the results of two - dimensional and three - dimensional simulation, we knew two - dimensional calculating is not adequate

    本文用簡單、方便的二維模型作為數值計算的起點,使用耦合隱式演算法以及先進的v2f模型進行求解,成功地捕捉到了激波,觀察到主氣的分離、切換、再附等現象,並對計算結果進行了細致的分析,得出一些有意義的結論;在此基礎上,本文在國內外首次對超音速射雙穩閥的三維場進行了計算。
  12. 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動對結構的影響。
  13. In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition

    本文旨在通過構造反映等離子點火器內部動規律的基本方程組,建立描述等離子點火器內部的復雜物理化學過程機制數學模型:模擬等離子發生器內部燃燒的-雙方程動模型;模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型;模擬等離子點火器內部預混燃燒的漩渦破碎模型;模擬等離子點火器高溫燃氣及其的p - i輻射換熱的模型等等,對模型進行一定的合理的簡化,然後數值模擬等離子點火器內部場的動。
  14. While slug structure is leaving from computing domain, the successive disturbance develop in downstream direction, the legs of hair - pin vortex approach the wall continuously and induce vortex structures near the wall. the evolution of this near - wall vortex structures brings the secondary transition to turbulence in the pipe flow

    隨著塞結構出計算域,后繼擾動向下游繼續發展,表現為發卡渦的渦腳向不斷貼近,進而誘發近渦結構,近渦結構的進一步演化促使圓管動出現二次轉捩,發展到了階段。
  15. In this paper i was in virtue of the fluent software, set up the geometrical model of jin ’ ao mansion and adjacent buildings, used non - equilibrium wall functions to deal with the problem which come from the near wall, used realizable k - turbulent model to simulate the steady flow around 3d high - rise buildings, we can get the distribution of mean wind pressure coefficient of the surface of jin ’ ao mansion and five aerodynamics components. they were compared with the data from the wind tunnel test, we found out the distance between the result of the wind tunnel test and numerical simulation in the acceptable range

    本文以fluent軟體為平臺,建立金奧大廈及其周邊建築的計算幾何模型,近區採用非平衡函數法處理,運用基於雷諾時均的realizablek -模型進行高層建築三維定常風場數值模擬,獲得金奧大廈表時均風壓系數分佈及基底五分量氣動力,並和風洞測壓試驗的結果及風壓系數積分計算的基底五分量氣動力相比較,發現兩者之間的差異在可接受的范圍之內。
  16. Mechanism of drag reduction by spanwise wall oscillation in turbulent channel flow

    展向周期振動的槽道減阻機理的研究
  17. Experimental investigation of drag reduction mechanism over compliant wall and multi - scale coherent structure control in turbulent boundary layer

    柔性壁面湍流減阻機理與多尺度相干結構控制的實驗研究
  18. The resonant three - wave model and laminar - turbulent velocity profile composed are used as a model of coherent structures in. turbulent flow. the forming and variation of turbulent coherent structures in the channel are simulated by the compact differential method with high accuracy and resolution derived in this paper

    以共振三波和層-復合速度剖作為相干結構模型,採用文中所導出的高精度、高解析度的緊致差分方法,模擬了槽道動在近區域相干結構的形成和變化。
  19. Numerical simulations of evolutions from wall pulse to turbulent coherent structures

    脈沖到相干結構演化的數值模擬
  20. The experimental investigation of coherent structure control in turbulent boundary layer over compliant wall

    柔性壁面湍流邊界層相干結構控制的實驗研究
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