結構湍流 的英文怎麼說

中文拼音 [jiēgòuliú]
結構湍流 英文
structural turbulence
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • : [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...
  • 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
  • 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-電動力學環耦合模式( time - gcm ) ,對重力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,果表明,從對層向上傳播的重力波經歷了產生、發展、飽和、對產生直至破碎的非線性演化,大氣的非等溫加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對產生的一個重要的源。
  2. As early as 1915, g. i. taylor had made astute observations on the structure of atmospheric turbulence.

    早在1915年,GITaylor就對大氣作了巧妙的觀測。
  3. 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,計算了不同風應力強迫下的混合層能量收支(下述給出的果是取風速為20m s得到的) 。
  4. The water onflow can be made by the direction changing and rib like spirals guide, it can strength the ability of heat absorption

    水在特殊內的改向和模肋式螺旋導向促成水的,加大了吸收熱量的能力。
  5. 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-模型來求解離心泵葉輪內三維粘性紊,在非化網格中,採用基於有限元的有限體積法對方程進行離散,用壓力校正法進行數值求解。
  6. 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,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力學特性。
  7. 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和燃燒化學反應動力學,基於雙區燃燒模型,建立了包括雙區熱力學、準維卷吸燃燒、火焰傳播速度、氫空氣混合氣燃燒化學反應動力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。
  8. An experimental research on the coherent structure in heated wall turbulence

    壁面加熱相干的實驗研究
  9. The experimental investigation of wavelet transform on coherent structure influenced by heated wires on the wall

    壁面加熱相干的子波分析實驗研究
  10. Wavelet analysis of detecting multi - scale coherent structures and intermittency in wall turbulence

    子波分析檢測壁多尺度相干及間歇性
  11. Experimental investigation of multi - scale eddy structures ' intermittency in turbulent flow using probability density function of wavelet coefficients

    用局部平均速度函數檢測邊界層多尺度相干
  12. In the last part, an experiential formula for nondimensional thermal stratification height is obtained, which includes inlet temperature t, inlet velocity v, heat transfer of the wall body q and the distance of heat source l. in order to obtain a more realistic result, the ? model is used to simulate the airflow and the buoyancy item is treated by boussinesq hypothesis. the paper investigates the flow field of the displacement ventilation in an office by a numerical method

    兩方程模型為基礎的壁面函數處理方法,對熱浮升力項採用了boussinesq假設,得到了收斂的溫度場、速度場分佈。在此基礎上,給出了熱力分層高度的計算方法,並分析了送風溫度、送風速度、圍護傳熱和熱源分佈等因素對熱力分層高度的影響。
  13. 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

    首先從理論上推導出在典型邊界層模式的非擬序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。
  14. Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ

    本文合巖灘水電站廠房振動的試驗研究,採用非定常數值分析的大渦模擬方法進行混機組水力振動振源模擬;提出一種水電站廠房下部簡諧振動模型,首次進行了發電機層樓板的精確模態分析和水力激振荷載下的動力響應分析,各項計算果與實測數據吻合良好。
  15. Digital filter algorithm for coherent structures detection in wall turbulence

    用象限法檢測壁相干
  16. Periodic vibration ; turbulence ; scaling law ; hierarchical structure

    周期性擾動標度律層次
  17. Extended self - similar scaling law of multi - scale eddy structure in wall turbulence

    多尺度推廣的自相似標度律
  18. Investigation of the coherent structure in a particle - laden turbulent planar jet using les

    氣粒兩相平面擬序的大渦模擬
  19. At last, three - dimensional mathematical model of gas - particle two phase turbulence was established, and it was adopted to study the gas - particle two phase rectangular jet as well. the distribution of the time - averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results ; the coherent structure of flow field was described in the three direction, the evolution and motion of the eddies was discussed too ; the dispersion of fine particles in the three dimensional space was also investigated

    全面地分析了矩形射氣相時均場的速度、強度的空間分佈規律,並就部分數值模擬果與實驗果進行了對比研究;描述分析了氣相擬序,對向、橫向和展向三個方向旋渦的空間特點進行分析研究,並分析了向渦隨時間變化的發展、運動規律。
  20. A " saddle " shape appears in the curve of relationship between smd ( sauter mean diameter ) and charging voltage, the droplets " size distribution fluctuates with the change of charging voltage. the influence of electric field on flow field is apparent. the distribution of velocity and turbulent energy, structure and size of vortex appear different changes with the increase of voltage of charging

    索太爾粒徑隨電壓的變化曲線中出現「馬鞍」現象,粒徑的分佈情況隨電壓的升高出現波動性變化;電場對場的作用明顯,速度與能的分佈及渦的場特性隨電場的改變均有不同規律的變化。
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