湍流法 的英文怎麼說
中文拼音 [liúfǎ]
湍流法
英文
turbulence method- 湍 : [書面語]Ⅰ形容詞(湍急) rapid; rushing; torrential; swiftⅡ名詞(急流的水) rapids; rushing waters
- 流 : 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...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 湍流 : 1 (急流) swift current; rushing waters; torrent; rapids 2 [物理學] turbulent flow; turbulence; ...
-
We make the best use of foreign advanced technology to meet the requirements of different units and the demand of users to its limit. for instance, turbo - sorp technique, wet limestone - gypsum fgd, sda, scr flue gas denitration technique
例如:環湍流吸收turbo - sorp技術濕式石灰石石膏法煙氣脫硫技術霧乾燥法sda選擇性催化還原scr煙氣脫硝技術等,最大限度地滿足了不同機組不同用戶的需要。Fv mc hybrid algorithm for axisymmetric bluff body stabilised turbulent flows
混合演算法求解軸對稱鈍體后湍流流場Method of atmospheric turbulence measurement by lidar
激光雷達大氣湍流測量方法研究Reynolds developed a simple rule for deciding when turbulence starts.
雷諾建立了一條判定湍流起點的簡單法則。The non - local turbulence parameterization, i. e., transilient theory was used in the host model mm4 to simulate the turbulent activities of the atmosphere
在中尺度區域模式mm4的基礎上對其中的湍流參數化方法作了改進,嘗試用非局地閉合方法代替局地Numerical study on dense gas - solid two - phase turbulent flow
可壓密相氣固兩相湍流流動的數值模擬方法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-湍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,用壓力校正法進行數值求解。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力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。強湍流運動可以抑制taylor泡的形成。因此,通過強化湍流或控制擾動頻率可以對氣泡聚並起明顯的抑制作用。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湍流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、準維湍流卷吸燃燒、湍流火焰傳播速度、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。Estimation the turbulent dissipation rate in a horizontal rectangular duct by large eddy piv method
方法測量水平矩形槽道內湍流耗散率Abstract : the hot wire anemometer and the ensemble average method are used to measure and study the dispersion turbulent transient feature in a closed cylindrical explosion bomb. the comparison of the dispersion turbulent parameters from different shapes of closed explosion bombs is presented. the relation between errors and numbers in dispersion turbulent measurement with the ensemble average metod is discussed
文摘:採用熱線風速儀和系綜平均法測定和研究了封閉圓柱形粉塵爆炸罐內揚塵湍流的瞬態特性,並與球形爆炸容器內已測定的揚塵湍流瞬態特性進行了比較,對系綜平均法用於揚塵湍流的測量誤差與測量次數的關系進行了探討。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
然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。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。Study of numerical method for flow transition prediction based on turbulence model
一種基於湍流模式的轉捩預測方法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-湍流雙方程模型,研究了飽和汽輪機分離級內二維粘性葉柵流場,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流場進行了計算。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
兩方程湍流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、圍護結構傳熱和熱源分佈等因素對熱力分層高度的影響。The three - dimensional primitive equations were derived for ocean in the condition of turbulence, by using the reynods time average method
首先在流體動力學和熱動力學的基礎上,應用雷諾時均方程法,詳細推導得到海水在湍流狀態下的三維原始方程。Two - layer model integral method for turbulent boundary layers
湍流邊界層的兩層模型積分法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
本文結合巖灘水電站廠房振動的試驗研究,採用非定常湍流數值分析的大渦模擬方法進行混流機組水力振動振源模擬;提出一種水電站廠房下部結構簡諧振動模型,首次進行了發電機層樓板結構的精確模態分析和水力激振荷載下的動力響應分析,各項計算結果與實測數據吻合良好。Digital filter algorithm for coherent structures detection in wall turbulence
用象限法檢測壁湍流相干結構3. based on the wall equation and k - ? model, the variable c ? and the variable lm were used to improve the numerical simulation of pipe flow with the tripping annulus at the inlet
在壁函數和-模型的基礎上,採用了變模型常數c _ ( l )和變混合長度l _ m的方法對入口處帶有擋環的圓管湍流模擬計算進行了修正。分享友人