紊流水流 的英文怎麼說

中文拼音 [wènliúshuǐliú]
紊流水流 英文
turbulent stream
  • 紊 : 形容詞（紊亂） disorderly; confused
  • 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...
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 紊流 : burble
  • 水流 : 1. （江河） rivers; streams; waters2. （流動的水） current; water flow; fluent; flow; [水文] stream current
  1. The effect of groyne length and layout on water surface is analyzed in the paper. based on the results of simulation and experiment, the local energy loss of the flow due to the groyne is studied. consequently the surface variation and height of damming are also analyzed

    論文分析了丁壩長度與布置對水面線的影響，根據流場、紊動場模擬結果和實驗結果研abstract究丁壩造成的水流局部能量損失，並對水面變化和丁壩奎水高度進行了分析。
  2. Two - fluid large eddy turbulence model is applied to research the movement of the sand clouds in quiescent water

    摘要本文採用雙流體大渦紊流模型對靜水中泥沙雲團下落過程進行了研究。
  3. Finite volume method is appilied in numerical modeling of the flow in no - pressure tunnel of high water reservoir in this paper. i select standard k - turbulence modeling that put forward by launder and spalding in 1972 by weighted poly - turbulence modeling. the difficulty is that there is free surface in flow, but free surface problem ' s calculating region is indefinitely

    本文利用有限體積法對高水頭下水庫無壓泄水洞水流進行了紊流數值模擬，根據多種紊流模型的優缺點進行比較，選擇了launder和spalding於1972年提出的標準的k ?紊流模型。
  4. 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
  5. Abstract : the distribution of cooling air which is in the grille - brick of the inner combustion hot air stove has been simulated with three dimension turbulent mathematical model so as to find a method which is used to improve the distribution of cooling air in hot air stove. the influence of differential horizontal plates on the distribution of cooling air is discussed. the results show that original big circle round field of flow in the pillar - cavity is changed into full one - way field of flow and edges gas flow, at the same time, is increased by horizontal plates. there is a different function with horizontal plates and vertical plates. to make the uniform distribution of cooling air in the hot air stove, it is necessary that horizontal plates and vertical plates are used in a combined way

    文摘:應用紊流三維數學模型模擬內燃式熱風爐內冷風在格子磚柱中的分佈，尋求改善其分佈的途徑.討論了加設不同布置的水平導流板對氣流分佈的影響.模擬結果表明，在支柱空腔內加設水平導流板改變了原有大迴旋流場，使迴旋流變成大面積的單向流.通過在支柱空腔內加設水平導流板可以發展邊緣氣流，這恰好與加設豎直導流板的作用相反，水平導流板和豎直導流板的結合使用有望實現冷風在格子磚柱中的均勻分佈
  6. Topics include : molecular and turbulent diffusion, boundary layers, dissolution, phase partitioning, bed - water exchange, air - water exchange, settling and coagulation, buoyancy - driven flows, and stratification in lakes

    探討課題計有:分子和紊流擴散、邊界分層、溶解、相之間的分割、底床與水間的交換作用、空氣與水間的交換作用、沉降和混凝、浮力流以及湖泊分層作用。
  7. Only the method for using backwater expression can predict the variation of water surface near the spur dike very well. numerical simulations of the flume experiment cases are carried out with the standard k - e turbulence model

    隨后採用標準k一e紊流數學模型，依據水槽試驗資料，數值模擬了繞壩和漫壩兩種情況下水流的流動過程。
  8. 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。
  9. Through flume experiment and numerical simulation, preliminary work on computation of water surface profile in regulation river reach, numerical simulation of flow with single spur dike in flume, and 3 - d numerical solution of flow around spur dikes group are carried out in this paper

    本文通過模型實驗和數值模擬相結合的研究方法，在整治河段一維水面曲線計算，單丁壩繞流數值模擬，紊流數學模型在航道整治工程中的應用以及丁壩群附近水流的三維流動特性等方面做了一些初步研究。
  10. Drip irrigation line is used to produce single wing labyrinth water conveying belt on the base of. polyolefin. it is widely used in warm room, farm and so on

    生產線主要用於生產以聚烯烴為原料的具有紊流流態的單翼迷宮式輸水帶，廣泛應用於大田、大棚沿作物植行鋪設，果樹、花卉、蔬菜等作物的灌溉。
  11. It shows that the network, affected by stream of water, superposes each other leading to the jet of detonator energy cavity and metal fragments which can break the nonel - tube without transmitting detonation yet, so as to make the detonation transmission in some local network break off and bring about misfire

    結果表明，受紊亂水流影響，導爆管網路相互疊加，比較凌亂，致使傳爆雷管產生的聚能射流和碎片容易將尚未傳爆的導爆管切斷或打破，而使局部網路爆轟傳遞中斷，造成拒爆現象的發生。
  12. The turbulent flow in open channel is tested with laser - doppler anemometer, in which the longitudinal time average velocity and fluctuating velocity of turbulent flow in open channel under the conditions of the sudden changes of roughnesses at different water depths are measured

    摘要通過激光測速儀，對壁面糙率突變時的明渠紊流進行試驗，測量了糙率突變不同水深情況下明渠紊流的縱向時均流速和脈動流速。
  13. A variety of mathematical models based on continuous equation and the momentum equation and many solutions partial differential equation value computational method in the open canal turbulent flow solution, still could widely apply and yield the satisfactory result

    但是，非穩態的navier - stokes方程對于明渠水流的瞬時運動還是適用的，以連續方程和動量方程為基礎，建立的各種數學模型和許多求解偏微分方程的數值計算方法在明渠紊流的求解中仍能廣泛應用。
  14. This article ’ s purpose is to simulates the apron that adds the coarseness fluent speed of flow in to hang the upward distributed, through the comparison, absorbs other mathematical simulations in model and the method, established the surface two - dimensional current of water mathematical model of apron that adds the coarseness

    本文以模擬海漫加糙后明渠紊流的流速在垂向上的分佈規律為主要內容，通過比較、借鑒其它數學模擬的建模方法，建立了海漫加糙后水流垂向二維數學模型。
  15. In the turbulent flow, the fluid ’ s physical parameters has the stochastic change along with the time and the space, it is very difficult to carries on its rate process ’ s precise computation and the simulation with mathematics method, but unstable condition navier - stokes equation regarding open canal current of water transient motion suitable

    閘后水流經過加糙的海漫段時，其水流狀態屬明渠紊流。流體中的各種物理參數，都隨時間與空間發生隨機的變化，很難用數學的方法對其運動過程進行精確計算和模擬。
  16. 3, based on the standard k - s model, the laterally - averaged 2 - d buoyant flow model to predict the water temperature of the huge and deep reservoir is developed

    四川大學工學博士學位論文3 .在標準車『紊流模型的基礎上，建立了預測大型深水庫水溫分層的立面二維浮力流模型。
  17. The shear stress of particles is about 5 % of the turbulent shear stress of the water

    顆粒剪切應力的數值約為水流紊動剪切應力的5 。
  18. Numerical prediction of three - dimensional turbulent flow in turbine runner using algebraic stress model

    用代數應力紊流模型預估水輪機轉輪內部三維流場
  19. By analyzing flow status of fluid in aerating pipeline, giving up hydraulics and utilizing hydromechanics and advance numerical calculations, the prediction method to solve optimizations height on flow status in aerating pipeline is studied and put forward, which provides a scientific theory base to realize effective drag reduction and economic principle in blend phase transportation for pipeline design

    摘要通過分析摻入少量高粘流體形成分層紊流層流的流動狀態，拋棄傳統的水力學研究方法，應用流體力學原理、高級程序設計語言和先進的數值計算技術研究了摻入少量高粘流體分層紊流層流減阻規律，為實現管道混相輸送時高效減阻和經濟節約的設計提供理論依據。
  20. The mechanism of silt abrasion is studied. specific contents are summarized as following : 1. the research results of turbulent flow, sediment - laden, aerated flow and silt abrasion are introduced

    對紊動水流、含沙水流、水氣兩相流及泥沙磨蝕的研究狀況進行了綜述，提出了本文的研究對象和擬採取的技術路線。
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