湍流混合 的英文怎麼說
中文拼音 [liúhúngě]
湍流混合
英文
turbulent mixing- 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...
- 混 : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 湍流 : 1 (急流) swift current; rushing waters; torrent; rapids 2 [物理學] turbulent flow; turbulence; ...
- 混合 : (攙雜在一起) mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
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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階湍封閉混合層模式,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,通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響,計算了不同風應力強迫下的混合層流場結構和湍能量收支(下述給出的結果是取風速為20m s得到的) 。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When the effect of surface wave breaking is considered, mld is 50 cm deeper than that obtained without wave breaking, and with the enhancement of wind stress forcing, the deepening of mld is increased
模擬結果表明,當考慮波浪破碎的影響時,混合層深度比無波浪影響時的結果加深了約50cm ;隨著風應力作用的增加,波浪破碎加強了混合層中的湍流混合,促使加深幅度也增加。A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains
模式主要依賴于以下參數和物理量:地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明,本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等,以及它們的日變化。該模式所取參數主要針對北京市,時間為九月初,對于其他城市,參數應作相應的調整。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。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:系統地介紹了湍球塔的流體力學行為和傳質、傳熱、混合等傳遞過程及其工程設計計算。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。Subsequently the reduced mechanism is used for three - dimensional numerical calculation in the flow solver technology of star - cd. 2. different from the one - step irreversible reaction, a multi - step reaction combined time scale model is developed to the solve combustion - turbulence interaction firstly
2考慮化學反應和湍流的相互作用,建立了有別于普遍採用的基於單步不可逆反應的混合湍流反應(時間)速率模型的新模型,即多步反應混合湍流反應(時間)速率模型。In this paper, we have discussed the influences of supply air temperature, supply air quantity, supply air turbulence, as well as mixing ratio of supply unit. all of above parameters are important for the extension of the adjacent zone. consideration of all the parameters is essential for a good system design which can ensure the advantage of displacement ventilation
本文研究了各種送風參數對鄰接區的大小的影響,結果表明:送風溫差、送風量、送風湍流度以及送風口的摻混量等因素對其都有重要影響,在設計時必須仔細平衡這些因素,確定合適的送風口和送風參數,才能使設計更加合理,充分發揮出置換通風系統的優勢。The application of high speed photography in the turbulent - mixing research experiment
高速攝影技術在湍流混合規律實驗研究中的應用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。For fluids with high viscosities such as polymers, effective mixing is not achievable by turbulent flow and laminar flow is the only method for mixing of fluids with high viscosities
對于聚合物這樣的高粘物系,不可能產生湍流來產生高效混合,層流混合是高粘流體唯一可能的混合方式。The disturbed interface of a heavy fluid and a light fluid will loss the stability and two fluids will mix turbulently, when the interface is in the gravitational field whose direction is from the heavy fluid to the light fluid or it interacts with a shock wave
受擾動的兩輕重流體的交界面,當處于方向由重流體指向輕流體的有效重力場中或受到沖擊波作用時擾動將發展,界面將失穩,兩種物質將發生湍流混合。We analyze the energy balance equations for mean flow, turbulence and wave motion in the ocean surface mixed layer, and discuss the wave - turbulence interaction involved. the observed phenomena, in which vertical turbulence mixing and turbulence dissipation are enhanced by the action of breaking wave, are explained
以現有的理論研究為基礎,通過分析海洋上混合層中考慮波浪運動的能量平衡方程,探討了混合層中波?湍相互作用的物理機制,並對波浪破碎導致混合層內湍流混合加強和耗散增加的現象進行了分析。Numerical simulation of flow field with turbulence model in an oscillatory flow mixer
振蕩流混合器湍流流場的數值模擬Annual cycle of the vertical eddy viscosity in the bohai sea
渤海垂直湍流混合強度季節變化的數值模擬The experimental research of shocklet in supersonic turbulent mix layer
超聲速湍流混合層中小激波結構的實驗研究Internal waves are a kind of bridge relating the diapycnal mechanical mixing to external sources of mechanical energy : first, internal waves are driven by wind stress and barotropic tide so that large amount of mechanical energy are transported to abyssal ocean with propagation of internal waves ; second, the mechanical energy can directly be cascaded to mixing through instability and breaking of internal waves
內波是外界提供的機械能與混合之間聯系的橋梁之一,一方面風和潮汐通過激發內波,將能量向深海和大洋內區傳遞,另一方面,內波的不穩定和破碎直接將機械能串級到小尺度湍流混合中去。開展傾斜地形上內波的傳播以及內潮的產生等方面的研究對海洋混合過程的參數化以及混合對大洋環流的影響等方面的研究具有重要的科學意義。By applying k - e turbulence closure model, which express properly the turbulent mixing effect, the seasonal thermal mixing and stratification were well simulated
后來應用了?兩方程湍流閉合模式,該模式合理地表達了由湍流產生的混合效應。The ocean circulation is controlled by diapycnal mixing which consists of mechanical mixing and convective mixing. the intensity of mechanical mixing depends on the amount of mechanical energy offered by external processes, among which wind stress and tidal generation force are major sources
海洋中的湍混合包括機械混合和對流混合,混合的強弱是控制大洋環流的重要因素,其中機械混合的強弱取決于外界機械能的供給,風和潮汐是重要的機械能之源。分享友人