渦流運動 的英文怎麼說

中文拼音 [guōliúyùndòng]
渦流運動 英文
eddy motion
  • 渦 : 渦名詞1. （漩渦） eddy; whirlpool; vortex 2. （酒窩） dimple
  • 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...
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  1. These results tend to agree with the observations associated with traveling convection vortices and midday sub - auroral patches

    上述結果在趨勢上與觀測到的輸運對流渦旋和亞極光塊的運動特徵一致。
  2. A sprinter ' s greater visibility is also assisted by the bow wave being bigger and the following trough being deeper

    游的快的運動員的可見度也得益於前面更大的渦流和其後的更深的波谷。
  3. Several regression models, with an independent variable of sea surface geostrophic current, were set up to simulate the real trajectories of drifters

    對南海中伴隨渦旋運動的2個浮標模擬試驗顯示，諸多模型中以海表地轉流、風海流及背景流為自變量的回歸模型模擬浮標漂流軌跡效果較好。
  4. From the numerical modeling results, it can be found that there is a clockwise gyre in the middle part of bohai sea, whether in wintertime or in summertime. in summer, the clockwise gyre corresponding to the high - temperature and low - density center in the middle bohai sea is mainly dominated by the density circulation. and in winter, it is mainly dominated by the wind stress curl

    通過數值模擬結果發現，在渤海中部，無論冬季還是夏季，都存在一個順時針的渦旋運動，夏季，對應于渤海中部的高溫低密中心，其流場主體部分呈順時渤海冬夏季環流特徵及變異的初步研究針向旋轉，這主要是密度環流占優的結果，而冬季的順時針向的旋轉，主要是海面風應力旋度影響的結果。
  5. K - l les of shallow - water turbulent flow in open channels with a vegetated domain

    帶有植物的河道水流淺水紊流運動大渦模擬
  6. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點，將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區，並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點，提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上，對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析，提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式，得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解，並與實測資料吻合較好
  7. When the layers in the shear flow become wrinkled the motion grows complicated, especially when the wrinkles roll up into whirls.

    當剪流中流體層開始起皺，尤其是皺褶捲曲成旋渦時，運動就復雜化了。
  8. The research result demonstrates that along with the increment of reynolds number, the root mean square value of outer fluctuating magnitude of the external diameter in fall frequency band increases, the root mean square value of fluctuating magnitude of the external diameter in high frequency band decreses, demonstrating that the fluctuation of flexible pipe wall changes fluctuation don field of original rigid pipe, large - size eddy motion increases and small - size eddy motion decreases, this reduces energy loss and increases friction reduction effectiveness

    研究結果表明：隨著雷諾數的增加，全頻帶的外徑脈動的均方根值加大，但高頻帶外徑脈動的均方根值減小，說明柔性管管壁脈動確實改變了原剛性管的脈動流場，大尺度渦的運動加劇，低尺度渦運動減弱，從而使得能量損失減少，減阻效果增大。
  9. The results of the experiments indicate that : thermal plumes in the mantle ( i. e. mantle plumes ) should be divided into two types, vertical plumes, as mentioned traditionally, and non - vertical plumes, including those of inclined - columns, vortexes, etc., and the former may be only a particular case of the latter ; under the condition of the coriolis force to be ignored

    在忽略科里奧利力的情況下，板塊的下插和滯積下沉、巖石圈根的存在以及地幔介質粘度的非均勻分佈等都可能構成不同形狀的障礙導流體，導致地幔的渦旋運動。
  10. 5. the numerical simulation of the axial vortex movement in the inlet side of the pump system with the method of discrete vortex provided a new way for hydromechanical characteristics of a pump system

    用離散渦方法計算渦系位置的演化模擬泵入口側渦量場的軸向渦流運動，為研究泵系統入流側渦量場特性提供了一種定量研究方法。
  11. The transient continuously distributive vortex can be replaced by a number of discrete point vortexes. the trajectory of vortex movement was computed with the method of discrete vortex and the axial vortex movement in the inlet side of the pump system was simulated

    將泵入口側連續分佈的渦量場離散成有限數目的離散渦，用離散渦方法計算渦系位置的演化，模擬泵入口渦量場的軸向渦流運動。
  12. The first diagnostic analyses show that the heavy rainfalls are produced together by vortex, shear line and upper and lower jets, meiyu front. the condition of high energy, saturation, potential instability is propitious to the form and maintenance of heavy rainfall. the result of numerical simulation by mm5 model shows that heavy. rainfall has close relation with meso - scale vortex pole and strong convection

    採用ncep全球譜模式和常規觀測資料對「 03 . 7 」江淮地區的兩次暴雨過程的影響系統及其可能機制進行了初步診斷分析，發現梅雨暴雨是受低槽、低渦、切變線、高、低空急流和梅雨鋒區共同影響造成的，該地區維持高能、飽和、潛在不穩定的環境，有利於暴雨的產生中尺度數值模式（ mm5 ）模擬結果表明梅雨暴雨與中尺度渦柱、強對流運動密切相關。
  13. Furthermore, for problems with submerged vegetation, a 3d les model named 3d k - 1 les has been set up

    針對淹沒植物情況，建立了三維的河道水流紊流運動大渦模擬數值計算模型，稱為3dk - lles模型。
  14. 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。
  15. 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。
  16. Spiral ( swirling ) flow is a sort of special and regular vortex movement

    螺旋流是湍流中一種特殊的、規則的渦旋運動。
  17. In order to research the eddy current electromagnetic force that varies with the relative speed, including brake force and attraction, the high speed simulation test stand for track eddy current brake was developed

    為了研究渦流電磁力包括渦流制動力的電磁吸力，在不同的相對運動速度下的變化規律，研製了軌道渦流制動試驗臺。
  18. Numerical analysis of reduction in mixture concentration and soot emissions in a diesel engine by swirl

    渦流運動降低柴油機混合氣濃度及碳煙排放的數值分析
  19. 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。
  20. A transverse secondary circulation is produced by the coupling of high and low jets, while the sinking branch of the secondary circulation providing the dynamic conditions for the dry intrusion air. during the period of the heavy rain process, dry intrusion descends southward along the intense constant potential temperature lines, which promotes the lower cyclone. in addition, the pouring of upper - level dry air not only decreases ground temperature behind the front but also increases surface pressure and velocity

    由於高、低空急流耦合，在高空急流中心左側產生的下沉運動和高空急流中心右側、低空急流左側產生的上升運動在鋒面上形成一次級環流，次級環流的下沉支運動為對流層高層干空氣和高位渦的下傳提供了動力條件；進一步研究發現，干侵入沿相當位溫密集帶向南向下伸展，引起對流層低層氣旋性渦度的發展；此外，高層乾冷空氣向下注入，導致地面溫度降低、氣壓升高、風速加大、低層輻合增強、上升速度加大，從而促進了新的對流運動，引起降水增強。
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