turbulent region 中文意思是什麼

turbulent region 解釋
湍流區域
  • turbulent : adj. 1. 激流的；湍流的。2. 騷亂的；強橫的。
  • region : n. 1. 地方，地域，地帶；地區；行政區，管轄區，區；左近，鄰近；（大氣、海水等的）層，界，境。2. 【解剖學；動物學】（身體的）局部，部位。3. （學問等的）范圍，領域。4. 〈罕用語〉天空。
  1. Because of the large velocities ordinarily involved, there is a region of turbulent flow behind the ball, as shown.

    一般由於高速，在球的後面有湍流區域，如圖中所示。
  2. Mr tung chee hwa, the first chief executive of the hong kong special administrative region, has led us through those turbulent times. his selfless devotion and courageous commitment to

    先生作為香港特區首位行政長官，帶領我們走過許多艱難的日子，他無私的精神及勇敢的承擔，是大家有目共睹的。
  3. Mr tung chee hwa, the first chief executive of the hong kong special administrative region ( sar ), has led us through those turbulent times. his selfless devotion and courageous commitment to

    先生作為香港特區首位行政長官，帶領我們走過許多艱難的日子，他無私的精神及勇敢的承擔，是大家有目共睹的。
  4. The temperature field along the axis, axial velocity, the turbulent energy, and the concentration of the particles were investigated when the temperature field varied. the numerical experiment shows that the thermophoresis force changes the concentration of the 2 - micron particle, decreasing in the main flow and increasing in the near - wall region

    數值實驗的結果表明在兩相流模型中添加熱泳力源項會對2微米顆粒在流場中的濃度分佈有很大的變化，主流區的顆粒濃度降低，近壁區顆粒濃度在溫差不大的時候，提高幾十倍。
  5. Improvement on the theoretical model for dissipation - rate budgets in near - wall region of a turbulent boundary layer

    近壁區理論耗散率模型的改進
  6. At the same time, dispersion of different stokes number particles influenced by the ordered large - scale turbulent structures of the carrier gas phase was investigated. and the following " conclusion was drawn : particles of mediate stokes number mainly concentrated in the outer boundary region of large scale eddies, and they had the nignest dispersion rate ; particles or little stakes number mainly lay in the core region of the eddies, and they had the lest dispersion rate ; though particles of large stokes number distributed throughout the eddy structures

    同時還模擬研究了不同stokes數顆粒在二維流場旋渦擬序結構作用下的運動擴散特性，詳細描述了不同stokes數顆粒在流場中的空間分佈規律，認為：中等stokes數顆粒集中於流場旋渦的外沿區域，在流場空間中的擴散率最高；小stokes數顆粒集中於流場系列旋渦的渦核區域，在流場空間中的擴散率最低；而大stokes數顆粒則遍佈於流場旋渦渦核和渦外沿區域。
  7. The turbulent effects of plasmas in above spectral lines broadening have been calculated primarily. furthermore, as an example, the turbulent region scale that corresponds to the turbulent broadening value of fexiva5303 in corona has been calculated

    進一步以日冕綠線f _ exiv 5303為例，計算了它的等離子體加寬值對應的湍動區尺度，發現與實際日冕尺度相符。
  8. While in the upper region, the turbulent intensities of water exceed those of the particles. light particles possess higher turbulent intensities than the heavy ones of the same size

    頻繁的碰撞作用和很大的流速梯度是增強顆粒脈動的兩大主要原因，其對輕顆粒的影響大於對重顆粒的影響。
  9. Applying the proposed model, the turbulent flow in open channel with emergent vegetation region has been simulated and the flow effect due to vegetation has been analyzed

    應用該模型進行了存在非淹沒植物的河道水流紊流運動數值計算研究，分析了非淹沒植物對河道水流的影響。
  10. This work is under the project " numerical study of turbulent flow in open channel with a vegetated region ". two numerical models have been proposed and developed by using the technique of large eddy simulation ( les ). model verification and applications have been carried out subsequently

    本文結合「帶有植物的河道水流紊流運動數值計算研究」項目，應用大渦模擬方法，提出了兩個河道水流紊流運動大渦模擬數值計算模型，並應用模型對帶有植物的河道水流紊流運動進行了數值模擬計算研究。
  11. The computational results of models are in satisfactorily agreement with the experimental data. all the results show the validity of the proposed models. the present k - l les and 3d k - l les model are proven to be new useful tools for the study on turbulent flow in open channel with a vegetated region

    K - lles模型和3dk - lles模型為進行帶有植物的河道水流紊流運動數值計算研究，特別是對分析存在植物的河道水流運動形態及由於植物的阻礙在河道中產生的大尺度渦的形成、發展研究提供了一個新的研究途徑。
  12. A measurement system was developed based on flow visualization and image processing techniques, which can be used to investigate the spatial structure of low - speed streaks in the near wall region of turbulent open channel flow

    基於流動顯示和圖像處理技術，獨立開發了明槽紊流近壁區帶狀結構的實時測量系統。
  13. In this paper, the spatial structure of the low - speed streaks and particle motion in the near wall region of turbulent open channel flow were observed on the side and bottom of a water flume, respectively, using flow visualization and image processing techniques

    本文以試驗研究為主要手段，採用流動顯示和圖像處理技術，從水槽底部和側面兩個方向測量，分別對明槽紊流近壁區的帶狀結構及顆粒運動特性進行了系統的試驗研究。
  14. A series of experiments in a wider range of reynolds number were conducted for the investigation on the spatial and temporal distribution of the low - speed streaks in the near wall region of turbulent open channel flow. for the first time, the relationships between the spacing, the width, the length scale in the streamwise direction and the duration time of low - speed streaks and the reynolds number based on shear velocity were revealed

    在水力光滑區和過渡區對明槽紊流近壁區的帶狀結構進行試驗，測量並分析了帶狀結構的分佈，首次揭示出低速帶間距、寬度、縱向尺度及持續時間等隨摩阻雷諾數的變化規律。
  15. 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
  16. 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
  17. Abstract : based on the turbulent flow kinetics theory the paper describes astudy on two - region flocculation model, the turbulent region is the dominant effect of fiocculation speed, the transition region is the dominant effect of scale and compactness of floculating body, and the order magnitude of available energy disipation and controlling index is put forward

    文摘:應用紊流動力學原理，分析紊流條件下兩區絮凝模型，提出紊流區主導絮凝速率，過渡區主導絮凝體的成長尺度及密實度，導出了有效能耗的量級及絮凝控制指標。
  18. The numerical methods with high accuracy and resolution are proposed to research the generation and evolutional process of the turbulent spots and coherent structures in turbulent flow of the wall region

    本文採用高精度、高解析度的數值方法研究湍斑及湍流相干結構的生成和演化規律。
  19. The second mode shows a peak at 2 - 3 years. in equatorial cold tongue region, sst anomalies have great influence on the variation of turbulent heat fluxes. while out

    在第二模態中，由sstdipole驅動的越赤道的異常風，只在sst梯度較大的北半球oon一10on的區域較強。
  20. The fourth - order explicit upwind - biased compact difference schemes are used in the spatial discretization of the nonlinear convection terms. these difference schemes can be used in all computational region including the boundary neighborhood, and can overcome the difficulty not adapting simultaneously in the boundary neighborhood for general three - dimensional fourth - order central difference schemes, and improve computational stability a nd resolution. the compact difference equations with high accuracy and resolution for solving the incompressible n - s equations and perturbation equations are composed of these compact difference schemes, and provides an effective numerical method for the investigations of the turbulent spots and coherent structures

    文中發展了四階時間分裂法用於navier - stokes方程及其擾動方程的時間離散；對分裂得出的關于壓力的poisson方程和關于速度的helmholtz方程，建立三維耦合四階緊致迎風差分格式；這些格式適用於包括鄰近邊界點在內的計算區域，克服了三維各自用四階中心差分格式離散不適用於邊界鄰域的困難，並提高了穩定性和解析度，用這些格式分別組成了數值求解navier - stokes方程及其擾動方程的高精度、高解析度的緊致差分方程組，為湍斑及湍流相干結構的研究提供了有效的數值方法。
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