湍力力 的英文怎麼說

中文拼音 []
湍力力 英文
eddy stress
  • : [書面語]Ⅰ形容詞(湍急) rapid; rushing; torrential; swiftⅡ名詞(急流的水) rapids; rushing waters
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking

    在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動學環流耦合模式( time - gcm ) ,對重波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重波在中層頂區的破碎,重波的非線性傳播是小尺度對流和流產生的一個重要的源。
  2. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階封閉混合層模式,根據參數化方法對波浪破碎導致的能量耗散率進行了估計,通過改變動能方程的上邊界條件引入波浪破碎對動能生成的影響,計算了不同風應強迫下的混合層流場結構和能量收支(下述給出的結果是取風速為20m s得到的) 。
  3. A 3 - d viscosity turbulence model is used to analyze the unsteady around flow field of the thrust - vectoring engine of the jet vane, and results of the area including vane base, vane flake and motor shell are presented

    摘要以推矢量發動機的燃氣舵為研究對象,採用三維、粘性、流流動模型和數值分析的接觸網格技術,在定常流動計算的基礎上,對包含舵基、舵片和發動機殼體的區域進行詳細數值分析。
  4. When the effect of surface wave breaking is considered, mld is 50 cm deeper than that obtained without wave breaking, and with the enhancement of wind stress forcing, the deepening of mld is increased

    模擬結果表明,當考慮波浪破碎的影響時,混合層深度比無波浪影響時的結果加深了約50cm ;隨著風應作用的增加,波浪破碎加強了混合層中的流混合,促使加深幅度也增加。
  5. The water onflow can be made by the direction changing and rib like spirals guide, it can strength the ability of heat absorption

    水在特殊結構內的改向和模肋式螺旋導向促成水的流,加大了吸收熱量的能
  6. Results show when velocity of flow remains unchanged in the onflow area and openness of the tube is changed, then resistance coefficient changes obviously

    實驗結果表明:在流區域內流速(量)不變時,改變管件開度,阻系數變化較顯著;改變流量,管件開度不變時,變化不大。
  7. Particle dispersion due to gravity in gas - particle turbulent flow

    氣粒流流動中考慮重時顆粒的擴散
  8. It adopts reynolds time - average n - s equation and k - ? turbulence model to calculate the inner 3 - d viscid turbulence flow of centrifugal pump. in the unstructured grid, the governing equations are discretized with finite volume method based on finite element method. then the pressure correction method is used to carry out numerical calculation

    而後採用基於雷諾時均n - s方程與標準-流模型來求解離心泵葉輪內三維粘性紊流,在非結構化網格中,採用基於有限元的有限體積法對方程進行離散,用壓校正法進行數值求解。
  9. Three dimensional interaction flowfield over high - speed spinning projectile with lateral jets is numerically simulated in this dissertation firstly. complicated shocks wave patterns is analyzed. several factors concerned such as high - speed spinning, attack angle, base bleed and so on, are studied

    本文首次完成了高速旋轉彈丸側噴三維干擾流流場的數值模擬,分析了彈丸側噴流場復雜的波系結構,研究了高速旋轉、攻角、底噴等因素對彈丸側噴流場的影響規律,深入分析了旋轉側噴彈丸的空氣動學特性。
  10. It is studied that the formation mechanism of taylor bubble and its control method in gas - liquid two - phase flow, which affects the pressure balance and mechanical driving efficiency in the flow of petroleum engineering. experiments show that the formation of taylor bubble in gas - liquid two - phase flow is due to the intensive congregation and amalgamation of small bubbles driven by void fraction waves and that the highly turbulent flow is able to restrain this formation. thus, the flow regime transition may be checked by increasing the flow turbulence and controlling the disturbed frequency

    對大管徑氣-液兩相流動中嚴重影響壓平衡與機械驅動效率的段塞流生成機制和控制方法進行了研究,實驗證明段塞流的形成是由於空隙率波的大幅度增長使氣泡高度集中,並形成聚並所致。強流運動可以抑制taylor泡的形成。因此,通過強化流或控制擾動頻率可以對氣泡聚並起明顯的抑制作用。
  11. The sea was very rough in the straits, full of eddies formed by the counter currents, and the chopping waves broke her course, whilst it became very difficult to stand on deck

    海峽中的水流非常急,到處都是逆流造成的漩渦。唐卡德爾號走得非常吃,急促的海浪阻礙旨它的前進。如今在甲板上,很難再站穩腳步。
  12. Numerical simulation of two - phase turbulent combusti on flow in an afterburner under generalized nonorthogonal curvilinear coordinate systems

    非正交曲線坐標系數值模擬加燃燒室流兩相流燃燒
  13. In the third chapter of this dissertation, based on the physical and chemical properties of hydrogen and the combustion characteristics of hydrogen, the quasi - dimension combustion calculation model of hydrogen ? fueled engine is set up through analyzing the characteristics of turbulence flame and chemical reaction kinetic of hydrogen ? air mixture. the model includes the dual ? area thermodynamics sub - model, quasi - dimensional turbulent entrainment combustion sub ? model, turbulence flame promulgating sub ? model, hydrogen - air mixture chemical kinetic sub - model and loss of heat transfer sub - model and so on

    本文從氫燃料的物化特性和燃燒特徵著手,通過分析氫空氣混合氣燃燒的流火焰結構和燃燒化學反應動學,基於雙區燃燒模型,建立了包括雙區熱學、準維流卷吸燃燒、流火焰傳播速度、氫空氣混合氣燃燒化學反應動學以及傳熱損失等模塊的燃燒模型,並給出了相應的計算方法。
  14. Philosopher hannah arendt believes that the only power that can stop the stream of painful memories is the “ faculty of forgiving ”

    哲學家漢娜?阿倫特堅信:能夠阻斷痛苦記憶之流的唯一量是「寬恕之」 。
  15. The key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality

    ( 3 )採用-模型實現了壓噴霧乾燥塔的溫度場、濕度場、流場的理論建模,利用計算流體學( cfd )技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和流擾動等問題,避免了乾燥過程中的設計不合理狀況;通過增加雙格柵均風裝置和旋轉出風裝置,改善了乾燥塔內的熱質傳遞,提高了乾燥塔的體積蒸發強度。
  16. Law of resistance for turbulent flow

    定律
  17. 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。
  18. Abstract : hybrid finite analytic method ( hfam ) and staggeredgrid are applied to calculate the line buoyant jets in cross flows. the phenomenon and development of end - vortex are simulated successfully and the influences of diffuser length and buoyancy on turbulent buoyant jets are analyzed

    文摘:本文利用混合有限分析法及交錯網格,對橫流中有限長線源型浮射流進行數值計算,成功模擬了端渦現象及其發展過程,並分析了擴散器長度及浮射流的影響。
  19. The results show that rsm can accurately simulate the movement of the turbulent buoyant flow in reservoir and the anisotropic turbulence due to the thermal stratification. however, rsm is difficult in convergence, bad stability and more time consuming. rsm is suitable when the high accuracy is concerned and geometry boundary is simple

    結果顯示, rsm模型能精確模擬水庫中流運動規律和由於溫度分層引起的紊動量的各向異性的特徵,但其收斂性、穩定性及經濟性較差,適用於計算精度要求較高且流域邊界較為簡單的流動。
  20. Spalart - allmaras model is not suitable to simulate the buoyant flow in reservoir

    Spalart - allmaras模型不適用於水庫流的模擬。
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