湍流理論 的英文怎麼說

中文拼音 [liúlún]
湍流理論 英文
turbulence theory
  • : [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名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 湍流 : 1 (急流) swift current; rushing waters; torrent; rapids 2 [物理學] turbulent flow; turbulence; ...
  • 理論 : theory
  1. Numerical simulation and analysis of wind environment in an urban residential district are carried out, based on the theoretical research conclusions mentioned above. airflow fields distributions of pressure and turbulent quantities are obtained and laid out. statuses of wind environment with two different inflowing - azimuths are discussed

    基於上述基礎研究對住宅小區風環境(住宅小區熱環境的主要組成部分)進行了數值模擬及分析,討了兩種不同角度來的風環境狀況:氣組織、風壓分佈、量分佈等。
  2. 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-模型實現了壓力噴霧乾燥塔的溫度場、濕度場、場的建模,利用計算體力學( 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擾動等問題,避免了乾燥過程中的設計不合狀況;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。
  3. A mathematical model was proposed to compute the interfacial area on the valve tray

    同時根據液體中氣泡變形與破碎的機,建立了計算浮閥塔板相界面積的模型。
  4. 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,還從上分析了液體中氣泡變形與破碎的機,提出了預測氣液相界面積的多相動力學模型。
  5. In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value

    第三章採用大渦模擬亞格子渦粘模型,對巖灘混式水輪機的場進行三維非定常分析,得到了場中各物量的脈動特性,計算出ms的軸向水推力與模型試驗值大小相當;同時證了對于下機架承重的混式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。
  6. This thesis emphasizes on the research of the theory and experiments of the laser beam propagation in the atmosphere, which are of great importance in the areas of laser radar, laser missile - guidance and communication

    激光束在大氣中傳播的及實驗研究,對于激光雷達、激光制導及通信等領域有重要意義。大氣中的對激光束的影響占突出地位,本文著重研究對大氣中傳輸激光的影響。
  7. The thesis also discusses the thermal blooming and physical of the heat halo produced by intense laser. the thesis emphasizes on otf and psf of atmospheric turbulence. taking three screen systems as the example, we get the ideal approximation model, especially the short - exposure otf

    並介紹了強激光產生熱暈的模型及其物特性機,重點介紹大氣的otf和psf ,以三種屏系統為例,得到大氣的想近似模型,特別是短曝光otf 。
  8. Due to its complexity of the problem, the theories and experiment results obtained are discrepant, and some of them are even contrary one another. started from the influence by movement rules of small cavities and solid particles, the mechanisms of combined effect of cavitation and sand abrasion are study in this thesis from the aspect of the turbulent coherent structure near the wall. first, a dynamic equation is established for a single spherical bubble and single spherical sand under the non - turbulent coherent structure near the wall, and then a dynamic equation established under the turbulent coherent structure near the wall

    首先從上推導出在典型邊界層模式的非擬序結構下空泡與固體顆粒的近壁區運動方程,然後推導出近壁擬序結構作用下的空泡與固體顆粒的近壁區運動方程,再將兩種不同條件下的的運動方程進行比較,指出近壁區的擬序結構對空蝕與磨損的發生具有決定性的意義,即正是由於擬序猝發作用的存在,才使得空泡、沙粒對壁面的空蝕與磨損作用得以發生。
  9. Secondly, the relation between nusselt number and the local time - averaged velocity and temperature fields of turbulent convection was theoretically induced, which expands the field - coordinated enhancement principle to turbulent convective heat transfer

    然後,在上導出了紊換熱的整體換熱性能與局域時均速度場和時均溫度場的一般關系式,將對換熱的場協同強化原則擴展至換熱。
  10. Only 6 % of congolese have access to electricity and more power will be needed to get at the country ' s trove of minerals

    上講,在剛果河水急的沿路建造多個水壩的宏偉計劃將提供三萬九千兆瓦特的能量,這些足夠為整個非洲大陸提供能量。
  11. The present paper firstly gives a review about the developments and researching status of gas - liquid two - phase flow. the complexity and difficulties in gas - liquid two - phase flow are discussed. based on this, the dissertation presents theoretical and experimental investigations on adiabatic gas - liquid two - phase turbulent flow in a bubble column

    本文綜述了國內外對鼓泡塔氣液兩相的研究現狀,通過分析指出氣液兩相問題的復雜性及其模化尚存在的問題,從和實驗兩個方面對鼓泡塔內氣液兩相進行了研究。
  12. In this paper, the physical experiment and numerical simulation based on the volume of fluid ( vof ) method to solve turbulent governing equations in the numerical wave tank are conducted to investigate the interaction between surface waves and sandbars on the seabed

    文通過物模型試驗和基於vof方法求解控制方程所建立的數值波浪水槽模型,對波浪與海底沙壩地形之間的相互作用進行了研究。
  13. Evaluation results show that the turbulence in convection zone is capable of generating enough wave energy to supply coronal energy lose due to convection and radiation

    利用結果的計算表明,對層的動對完全有可能激發足夠的波能去補充日冕中等離子體對和輻射造成的能量損失。
  14. Recent advance in plasma turbulence theory research

    等離子體湍流理論研究的最新進展
  15. However, there are some inextricable problems in the theories of both wind waves and turbulence, so our theoretical analysis about the wave - turbulence interaction is rudimentary and incomplete

    由於海浪湍流理論都存在著一些目前無法解決的問題,所以文中對混合層中波?相互作用物機制的探討只是一個初步的嘗試,遠不是完善。
  16. Fourthly, by an analysis of log - amplitude scintillation due to troposphere turbulent, it is shown that the relative humidity and temperature are the major factor impacted on log - amplitude scintillation, at microwave and millimeter - wave band

    第四,根據大氣湍流理論分析了在微波和毫米波波段影響幅度閃爍的主要因素是大氣相對濕度和溫度。
  17. Based on series fundamental experiments and theoretical analyses, the electro - spray of fuel and charged two - phase turbulent flow are studied systematically and comprehensively in this thesis, which established a research foundation for electro - spray combustion. the research involves charging mechanism, charging and atomization characteristics of fuel, flow field properties of electro - spray, theory of charged two - phase flow and numerical simulation

    本文圍繞燃料的靜電噴霧與荷電兩相進行了系統而深入的和實驗研究,研究內容包括燃料的荷電機、荷電霧化特性、荷電噴霧射場及荷電兩相湍流理論與數值計算,為荷電噴霧燃燒的進一步研究奠定了基礎。
  18. A kind of two - equation turbulent model of charged fluid flow is constructed, in which the interaction between electric field and flow field is considered. based on analyzing the properties of forces on the charged droplets in the spray, pseudo - fluid of charged droplets phase method is adopted to develop a kind of charged two - phase turbulent model. this model takes account of the interaction between charged droplets phase and electric field, the inter - phase action between droplets and gas, convection and diffusion of droplets " turbulent energy

    考慮電場與場的耦合作用,建立了荷電體的模型,在荷電顆粒受力分析的基礎上,採用顆粒擬體的方法建立了荷電氣液兩相湍流理論模型,該模型考慮了荷電顆粒相場與電場的耦合作用,氣相與顆粒相的相間作用以及顆粒相自身能的對與擴散。
  19. 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

    文圍繞迷宮密封場動力特性系數的研究展開的,採用兩控制容積模型,利用湍流理論和計算體力學的方法,深入研究迷宮密封內部動的規律、密封性能,獲得迷宮密封的動力特性系數。
  20. ( 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和計算體力學( cfd )技術,建立了更符合實際噴霧乾燥過程的數學模型即噴霧乾燥的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模型該數學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。
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