湍流邊界層 的英文怎麼說

中文拼音 [liúbiānjiècéng]
湍流邊界層 英文
turbulent boundary layer
  • 湍 : [書面語]Ⅰ形容詞（湍急） rapid; rushing; torrential; swiftⅡ名詞（急流的水） rapids; rushing waters
  • 流 : 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...
  • 邊 : 邊Ⅰ名詞1 （幾何圖形上夾成角的直線或圍成多邊形的線段） side; section 2 （邊緣） edge; margin; oute...
  • 界 : 名詞1 （相交的地方; 劃分的界限） boundary 2 （一定的范圍） scope; extent 3 （按職業、工作或性別等...
  • 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
  • 湍流 : 1 （急流） swift current; rushing waters; torrent; rapids 2 [物理學] turbulent flow; turbulence; ...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. Experimental investigation of multi - scale eddy structures ' intermittency in turbulent flow using probability density function of wavelet coefficients

    用局部平均速度結構函數檢測湍流邊界層多尺度相干結構
  2. Experimental research on the mechanism of reverse transition in turbulent boundary layer

    湍流邊界層逆轉捩機制的實驗研究
  3. 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湍流邊界層模式的非擬序結構下空泡與固體顆粒的近壁區運動方程，然後推導出湍流近壁擬序結構作用下的空泡與固體顆粒的近壁區運動方程，再將兩種不同條件下的的運動方程進行比較，指出湍流近壁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、沙粒對壁面的空蝕與磨損作用得以發生。
  4. Two - layer model integral method for turbulent boundary layers

    湍流邊界層的兩層模型積分法
  5. Anomalous scaling law in turbulent boundary layer

    壁湍流邊界層奇異標度律的實驗研究
  6. As the moving particle in the turbulence boundary layer, the resistance on microbubble from water may be fallen inside the scope of the stokes law

    作為湍流邊界層中運動的粒子，微氣泡受到水的阻力可能會在stokes阻力范圍內。
  7. Experimental study on the turbulent boundary 1mm layer flow over riblets surface

    溝槽面湍流邊界層結構實驗研究
  8. The creative points of the thesis are as follows : （ 1 ） the thesis establishes turbulence boundary layer equation that contains centrifugal force in flow field of two - dimension boundary layer of centrifugal pump and gives its solution

    本文創新之處是： （ 1 ）在離心泵葉輪二維邊界層流場內，建立了包含離心力的湍流邊界層方程並給出了近似解。
  9. Based on theoretical analysis, microbubble drag reduction is due to structure change of turbulent boundary layer caused by the microbubbles. experiments testify microbubble drag reduction for turbulent boundary layer, as well as bubble size, main flow velocity, etc. affecting the reduction ; with proper flow field model, turbulent model and difference scheme, numerical methods simulate the effect of boundary layer and bubble numbers on dray reduction

    理論分析提出微氣泡降阻機理在於其引起湍流邊界層結構的變化；實驗證明了微氣泡對湍流邊界層的降阻作用以及氣泡尺度、主流速度等對降阻作用的影響；數值方法利用適當的流場模型、湍流模型和差分格式，模擬邊界層和氣泡數等對降阻的影響。
  10. Based on prandtl ' s momentum transportation, this paper calculates in detail the physical quantities such as eddy viscosities, and ratio of eddy viscosity to motion viscosity, total stresses with respect to relative position in three regions of viscous sub - layer, buffer layer, and main turbulent stream for non - newtonian fluid flowing turbulently in ducts, which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus, discusses the influence of polymer drag reduction on flowing properties of non - newton fluid, analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate

    摘要以普蘭德動量傳遞理論為基礎，按照卡門的三層模型，通過室內模擬環道用0號柴油及加入減阻劑在圓管內的流動參數的測定，計算了非牛頓型流體管內湍流邊界層的層流內層、過渡層、湍流中心的渦流粘度，渦流粘度與運動粘度比、總應力隨相對位置的變化等定量參數，探討了高分子減阻劑對非牛頓流體流動特性的影響，對湍流減阻現象的機理與增大減阻率的條件進行了定量分析。
  11. Artificial periodic disturbances are introduced to the outer field of turbulent boundary layer in an closed - circuit open water channel. statistical method is employed for analyzing the velocity - fluctuation - time - series. the effect of the disturbance to turbulent structure in boundary layer is studied

    在開口式循環水槽底部湍流邊界層外區中引入周期性擾動，對湍流場的速度脈動時間序列信號進行了統計分析，研究了湍流邊界層中周期性人工擾動對湍流結構的影響，結果表明高頻擾動的湍流中she - leveque簡稱sl湍流層次相似律成立。
  12. The decaying of periodic disturbance in turbulent boundary layer along wall - normal direction

    周期性擾動在湍流邊界層中沿法向的衰減
  13. Numerical simulation of many - coherent structures in the wall region of turbulent boundary layer

    湍流邊界層近壁區多個相干結構的數值模擬
  14. A 3 - d wave model for the coherent structures 1mm in the outer region of a turbulent 1mm boundary layer

    湍流邊界層外區相干結構的三維波模型
  15. 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
  16. A computed study was undertaken to determine the effects of minute vortex generator jets on the zero pressure gradient turbulence boundary layer

    本文採用數值模擬方法研究了微型空氣渦流發生器對零壓力梯度湍流邊界層的影響。
  17. An experimental study on the turbulent boundary layer flow field and its noise

    湍流邊界層流場與噪聲實驗研究
  18. The effect of periodic disturbance to the hierarchical structure in turbulent boundary layer

    周期性擾動對湍流邊界層層次結構的影響
  19. Effect of drag reducing grooved surface on high - order moments in turbulent boundary layer

    減阻溝槽表面對湍流邊界層高階矩特性的影響
  20. Dr. zhu yucai first presented the theory of boundary layer of centrifugal pump and derived the vane shape equation. based on the theory and analysis of references abroad and home on centrifugal pump, the thesis creates a mathematic model of turbulent boundary layer of centrifugal pump

    朱玉才博士首次提出了離心泵邊界層理論並給出了葉片型線方程，本文就是基於朱玉才博士研究工作的基礎上，通過大量分析國內外有關文獻，建立離心泵葉輪湍流邊界層的數學模型。
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