湍流計 的英文怎麼說

中文拼音 [liú]
湍流計 英文
turbulence meter
  • : [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動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 湍流 : 1 (急流) swift current; rushing waters; torrent; rapids 2 [物理學] turbulent flow; turbulence; ...
  1. Computation of three - dimensional unsteady periodical turbulent flow though a draft tube

    尾水管動態模式的選擇
  2. 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

    摘要以推力矢量發動機的燃氣舵為研究對象,採用三維、粘性、動模型和數值分析的接觸網格技術,在定常算的基礎上,對包含舵基、舵片和發動機殼體的區域進行詳細數值分析。
  3. Research on wind is the precondition of wind response, then the section plane of static wind, intensity of onflow, psd function and correlativity of dynamic wind are involved in

    對風的研究是進行風振響應研究的前提,風的基本特徵包括平均風速剖面、強度、脈動風功率譜密度函數、脈動風的空間相關性以及極端風速的概率統特性。
  4. Numerical computation of turbulent flow field of projectile

    彈丸場數值算研究
  5. On the base of the numerical simulation of unsteady viscous flows, the characters of the static aeroelastics and flutter for the wings are researched. some examples, simulating the steady and unsteady transonic ( and subsonic ) viscous flows around onera m6 wing, are given in this paper

    以oneram6機翼為算例,分別對其亞、跨音速定常及非定常粘性繞狀態進行了數值模擬,並運用b - l和j - k兩種模型算結果和實驗數據進行了對比。
  6. Without spinning or attack angle, the three dimensional interaction flowfield over projectile with lateral jets is numerically simulated successfully, and unified interaction flowfield with lateral jets and base bleed is also calculated

    在無旋轉、無攻角條件下完成了彈丸側噴三維干擾場數值模擬,並完成了彈丸底噴-側噴共同干擾場的一體化算。
  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結構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,並給出了相應的算方法。
  8. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面,應用三維n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒動過程,兩相之間的質量、能量交換由液滴蒸發模型算,氣相化學反應速率由arrhnius公式算,通過耦合求解氣液兩相模型方程,模擬了燃燒室三維場,得到了燃燒室內的溫度和組分濃度分佈。
  9. Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given

    然後利用本文設的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及度等內容的場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述,總結出邊界層厚度與設定風速、實驗段深度的關系,然後給出模型中心區一定風速下校正數值。
  10. Restoring turbulence - degraded images based on estimation of turbulence point spread function values

    基於估點擴展函數值的退化圖像復原
  11. 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、場的理論建模,利用體力學( 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。
  12. Numerical simulation of incompressible turbulence in tubes using

    模型對不可壓圓管
  13. 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理,建立了算浮閥塔板相界面積的理論模型。
  14. 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

    在研究現有體力學中的實驗模型以及其對應的數值模擬的基礎上,選用適當的模型和體力學軟體對空氣捻接機理進行模擬。
  15. In this thesis, adopting compressible navier - stokes equations and compressible k - - e turbulence double model, studied 2d viscous flow field in wet turbine ' s separate - stage. coordinate transformation is made for the navier - stokes equations by using body fitted coordinate system, moreover, the flow field in 2d cascade is calculated by using the well - established simple method

    本文採用可壓縮氣體的n - s方程,並採用可壓縮的-雙方程模型,研究了飽和汽輪機分離級內二維粘性葉柵場,採用貼體坐標系對n - s方程進行了坐標變化,並利用成熟的simple演算法對二維葉柵內的場進行了算。
  16. 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,得到了場中各物理量的脈動特性,算出ms的軸向水推力與模型試驗值大小相當;同時論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。
  17. 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算方法,並分析了送風溫度、送風速度、圍護結構傳熱和熱源分佈等因素對熱力分層高度的影響。
  18. Hot - wire turbulence meter

    熱線湍流計
  19. Based on the numerical simulation for the large - diameter cylinder pile ' s 3d - circumferential flow under wave - flow co - function b using fvm, this paper analyzes the complicated 3d - torrent near the large - diameter cylinder pile, and gives the 3d - flow distribution, the stress distribution on the surface of cylinder pile and in the bed near the cylinder pile, furthermore, analyzes local scour of wave flow in the bed near the cylinder pile

    摘要通過應用有限體積法對在波共同作用下大直徑圓柱繞現象進行三維數值模擬,對圓柱體局部復雜動進行了三維湍流計算分析,給出了三維場、圓柱體表面及其所在局部底床床面應力分佈,並在此基礎上對圓柱體所在底床的局部沖刷進行了初步分析。
  20. The numerical results under different methods, especially the simulation of recirculation region and reattachment length were carefully checked and compared. it indicated that the " variable c ? " model could effectively increase the dissipation near the wall and, more over improve the simulation of the reattachment length to close to the experimental results. 4

    比較不同修正方法下的圓管湍流計算結果,尤其是迴區域和再附著長度的模擬結果表明:變模型常數的-模型有效地的增加了近壁區域的能耗散率,使再附著長度的算結果更接近於實驗結果。
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