湍流力學 的英文怎麼說

中文拼音 [liúxué]
湍流力學 英文
mechanics of turbulence
  • : [書面語]Ⅰ形容詞(湍急) rapid; rushing; torrential; swiftⅡ名詞(急流的水) rapids; rushing waters
  • : 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...
  • : 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...
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • 湍流 : 1 (急流) swift current; rushing waters; torrent; rapids 2 [物理學] turbulent flow; turbulence; ...
  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,從對層向上傳播的重波經歷了產生、發展、飽和、對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產生的一個重要的源。
  2. 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場的數值模擬,分析了彈丸側噴場復雜的波系結構,研究了高速旋轉、攻角、底噴等因素對彈丸側噴場的影響規律,深入分析了旋轉側噴彈丸的空氣動特性。
  3. 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火焰結構和燃燒化反應動,基於雙區燃燒模型,建立了包括雙區熱、準維卷吸燃燒、火焰傳播速度、氫空氣混合氣燃燒化反應動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。
  4. Philosopher hannah arendt believes that the only power that can stop the stream of painful memories is the “ faculty of forgiving ”

    家漢娜?阿倫特堅信:能夠阻斷痛苦記憶之的唯一量是「寬恕之」 。
  5. 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、場的理論建模,利用計算( 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。
  6. The dynamic behavior of bubbles in the turbulent liquid is analyzed theoretically, the mechanism of bubble deformation and breakage is explored on the basis of kolmogoroff ' s isotropic turbulence hypothesis, and the mathematical model for predicting gas - liquid interfacial area is proposed

    同時,還從理論上分析了液體中氣泡變形與破碎的機理,提出了預測氣液相界面積的多相模型。
  7. On the basis of the existing turbulent model and its respective numerical simulation, this study offers emulation solutions to the study of pneumatic splicing, by selecting appropriate models and the software of computational fluid dynamics

    在研究現有中的實驗模型以及其對應的數值模擬的基礎上,選用適當的模型和計算軟體對空氣捻接機理進行模擬。
  8. Abstract : the transfer performance such as hydrodynamics, mass transfer, heat transfer and mixing in turbulent bed contactor were systematically presented, and the calculations on this equipment were also given

    文摘:系統地介紹了球塔的行為和傳質、傳熱、混合等傳遞過程及其工程設計計算。
  9. The three - dimensional primitive equations were derived for ocean in the condition of turbulence, by using the reynods time average method

    首先在體動和熱動的基礎上,應用雷諾時均方程法,詳細推導得到海水在狀態下的三維原始方程。
  10. A brief of description of the fluid machinery development, turbulence and computational fluid dynamics ( cfd ) in the engineering is introduced

    簡要介紹了體機械設計方法、和計算的發展狀況及在工程中的應用; 2
  11. This article is mainly about the study on the dynamic characteristics of labyrinth seals and concludes the dynamic characteristic of labyrinth seals with the two - control - volume model by the means of turbulent flow theory and calculating fluid mechanics in order to further study on the flowing law of the labyrinth seals

    本論文圍繞迷宮密封場動特性系數的研究展開的,採用兩控制容積模型,利用理論和計算的方法,深入研究迷宮密封內部動的規律、密封性能,獲得迷宮密封的動特性系數。
  12. The resolution of optical system can not reach its diffraction limit because of the phase aberrations caused by atmospheric turbulence and other wavefront errors. adaptive optics technology uses deformable mirrors to perform dynamic phase modulation and endow optical system the ability to decrease the influence of dynamic wavefront errors

    大氣等動態干擾使光波面相位發生畸變,使光系統的解析度無法達到其衍射極限,而自適應光系統使用變形鏡對光波面進行動態相位調制,賦予了光系統能動可變的能而有效地解決了動態干擾的問題。
  13. Although being superior over the other methods in terms of physical realism, the rans methods, however, involve one major weakness - the effects of the turbulent motion of the mean flow are unknown and must be modeled

    盡管求解雷諾平均ns方程( rans )是解決現代空氣動問題物理上最可信的方法,但它也有一個缺點:平均動中脈動量的影響是未知的。
  14. Turbulence over flat wall is presented with the cfd software cfd ace ( u ) when given by various inlet boundary conditions, subgrid model and turbulence intensity under the two - dimensional circumstance. on comparing these outcomes with the experimental data, we can analyze the impacts that all these factors have on the development of flow boundary layer

    採用計算軟體cfdace ( u ) ,在二維情況下應用不同的進口邊界條件、亞格子模型和來度對平壁動進行大渦模擬,並將模擬結果與已有的實驗結果進行對比,分析比較了這些因素對動邊界層發展的影響。
  15. ( 1 ) the cfd model for the pulse combustion spray drying process. the computational fluid dynamics ( cfd ) based on the two - phase flow theory was employed in this paper, which used the standard k - e model and the particle trajectory model to simulate the gas - particle flow in the drying chamber. the momentum, heat and mass transfer regarding both gaseous and particulate phases during the spray drying inside the drying chamber was also revealed

    為解決這一難題,本文利用氣體一顆粒兩相理論和計算( cfd )技術,建立了更符合實際噴霧乾燥過程的數模型即噴霧乾燥的cfd模型,並進行了脈動燃燒噴霧乾燥過程模擬,其主要內容如下: ( 1 )建立了脈動燃燒噴霧乾燥的cfd模型該數模型建立在氣體一顆粒兩相基礎之上,用標準k -模型預測乾燥室內的氣體運動過程,顆粒軌道模型追蹤乾燥室內顆粒群的運動軌跡,熱質傳遞模型描述空氣和液滴的熱質傳遞過程。
  16. At first, the generating mechanisms of four kinds of wake features are studied in the thesis. we have simulated the features of ocean surface waves, kelvin wake, narrow v wake, turbulent wake, vortex wake, and internal wake. the kinetic equation of kelvin wake have been analyzed and improved, which can be used to calculate the kelvin wake of a submerged moving body

    論文首先研究了四種常見尾跡特徵的產生機理,模擬得到了海面、 kelvin尾跡、窄v尾跡、和渦尾跡以及內波尾跡特徵;改進了kelvin尾跡的動模型,使之能夠計算運動物體下潛后的kelvin尾跡波高分佈。
  17. Application of homogeneous k - equation turbulent closure model in the coastal sea

    齊次動能輸運方程封閉模型在淺海動中的應用
  18. Generate the grid of the channel nonclogging pump by the trade software named gambit and then calculate the internal flow of 3 - d incompressible in the channel nonclogging pump with the trade software named fluent

    應用商用cfd軟體fluent對無堵塞泵實施網格劃分以及對其葉輪內部三維不可壓場進行數值模擬。
  19. In this paper, maccormack explicit time - split scheme, baldwin - lomax algebraic turbulent model and two - steps hydrogen - air nonequilibrium chemical kinetics model are employed to simulate the 2 - d flow fields in a fixed geometry scramjet combustor in different injecting way of fuel in different flight conditions. the results show, in the same entrance condition, the operating mode of scramjet combustor is influenced by the control of fuel

    本文採用maccormack顯式時間分裂法、 b - l代數渦粘性模型及氫-空氣兩步非平衡化反應模型,模擬了在不同的飛行馬赫數條件下,固定幾何的雙模態燃燒室在不同供油規律下的二維燃燒場。
  20. At the same time, the possibility of using nonlinear optics in widening the detecting wave band of hartmann - shack wavefront sensor is exploringly discussed. adaptive optics guarantees the beam quality of laser projecting system. beam cleanup, atmospheric turbulence compensation and correction of any disturbance and fabrication error in the light way are required to promise a near diffraction beam, but normal adaptive optics system can only correction one of them

    自適應光進行光束大氣傳輸波前畸變校正時,要求系統必須能進行光束凈化和校正大氣造成的波前畸變,並且能夠同時有效地克服發射系統製造誤差、重變形以及光路內部氣體擾動的影響,得到接近衍射極限的輸出激光光束。
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