developed turbulent flow 中文意思是什麼
developed turbulent flow
解釋
發展的紊流-
In the tidal estuary, the current is complex, and the flow is oscillatory. some experiential formulation has presented to calculate the vertical turbulent mixing coefficient. on the base of analysis of the hydrodynamic in the estuary, the theoretical equation, which describes the distribution of the space and time of vertical turbulent exchange coefficient, has developed, the equation has applied to the practice
潮汐河口水流呈往復振蕩運動，本文在分析潮汐河口水動力特性基礎上，考慮了慣性力及重力等項的影響，通過理論推導得到潮汐河口垂向紊動交換系數的空間分佈及時間分佈的計算公式，以及垂向平均紊動交換系數的時間分佈的計算公式，並將其應用於潮汐河口的實際計算中。 -
The goal of this paper is to study fully developed turbulent pipe flow. with the aid of the tripping annulus at the inlet, based on the experimental investigation and numerical simulation, detailed researches on a few basic rules in pipe flow have been performed, such as mean velocity profile, relative intensity of turbulence, the log - law, von karman ' s constant and reattachment length, thus filling some gaps in the research work of predecessors and obtaining a far - reaching understanding
本文的目的就是利用入口擋環進一步探索充分發展的圓管湍流，通過實驗和數值模擬對圓管湍流的若干基本規律，如平均速度分佈、相對湍流強度、對數定律、馮?卡門常數和再附著長度等進行詳細的研究，以填補前人研究中的一些空白，並獲得更深入的了解。 -
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。 -
Based on the previous studies, the 2 - d laterally averaged temperature model for the temperature prediction of the huge and deep reservoir is developed in this paper. in the mean while, the movement mechanism of the turbulent buoyant flow in reservoir and the rule of the thermal stratification forming, developing and varying are probed. the model is then applied to the huge reservoir of xiluodu on jinshajiang river and the cascade power stations on yalongjiang river
本文在總結前人研究成果的基礎上，探討了水庫湍浮力流的運動機理，以及溫度分層的形成、發展和變化規律，建立了適用於大型深水庫水溫預測的立面二維水溫模型，並應用於超大型水庫? ?金沙江溪洛渡和雅礱江梯級電站各水庫的水溫預測，取得了一系列創新性研究成果。 -
In theoretical study, the general governing equations for gas - liquid two - phase flow have been developed by applying the volume averaging method to the " local transient equations " of two - phase flow. in addition, by applying the time averaging operator to the above equations, the turbulent two - phase flow governing equations are obtained
理論上，從兩相流「局部瞬時特性」出發，採用體積平均法推導出普適的描述氣?液兩相流運動的體積平均方程，在此基礎上對其進行湍流時平均化，得出湍流兩相流基本方程。 -
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。 -
Large eddy simulation ( les ), as a newly developed method for turbulent airflow simulation, has not only the advantage of smaller calculation effort but also achieve very high accuracy in most cases. at the same time the solution reserves the random characters of the flow field, which fits better with actual measurement than rans does, and therefore, les is showing its great superiority and powerful vitality
大渦模擬（ les ）作為一種新興的湍流運動數值模擬工具，不但計算量小於直接模擬且很多情況下達到了很高的精度要求，同時還保持了流動的隨機性特點，比rans預測結果更加符合實際情況，所以正顯現出巨大的優越性和強大的生命力。 -
The objective of present work is to explore the fully developed turbulent flow in a cylindrical smooth pipe by means of direct numerical simulation
本文採用直接數值模擬的方法對光滑圓管充分發展湍流進行了研究。 -
The fact that grain of sand is fine or silty, with thin layer and little - scale scours means that the water energy was low. grain analysis tells its transiting character between turbulent flow and drag flow with the same character as sub - fan. in the core, every sequence is positive rhythm and debris flow that is not developed in delta was also found
巖電關系分析表明，孔隙度與聲波時差成正相關關系，與自然伽瑪呈負相關關系，而滲透率與孔隙度具有較好的指數關系，據此建立了解釋模型，在測井數據標準化的基礎上進行了測井解釋，較為準確地反映了井點處的物性特徵。
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