turbulent energy 中文意思是什麼
turbulent energy
解釋
湍淋量-
By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water
通過對細小顆粒在剪切流場中運動方程的fourier分析，得到了顆粒脈動強度和流體脈動強度之間的定量關系，表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素，首次從理論上證明了在一定條件下，顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度，為已有的實測資料提供了合理的解釋。 -
Estimation of turbulent kinetic energy dissipation rate in channel flow by piv
數據估算槽道內湍流動能耗散率 -
The basic parameters, such as temperature, pressure, turbulence kinetic energy and the turbulent kinetic energy dissipation rate, are also analyzed
繪制了壓力和溫度曲線，以及壓力、溫度、渦流動能、渦流動能擴散率等值線圖。 -
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，應用三維湍流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流動過程，兩相之間的質量、能量交換由液滴蒸發模型計算，氣相化學反應速率由arrhnius公式計算，通過耦合求解氣液兩相模型方程，模擬了燃燒室三維流場，得到了燃燒室內的溫度和組分濃度分佈。 -
The elementary flow structure is a mixed structure of the main jet section and the swirl software. the boundary section is a strong turbulent cut section. the main jet mainly dissipates the energy in this section
主射流機誡能的傳遞、再分配和消散過程中，紊流脈動所提取的能量最多，其次h漩渦所吸收的能量。 -
With piv technology, the flow field was measured to judge the performance of pump sump. by analyzing the pictures of velocity, streamline, turbulent kinetic energy and vorticity, we found that the turbulence was bigger while the ratio of the runoff increased. and the vortices always appeared in the field where the runoff was small
通過piv試驗，測量了封閉式水泵吸水室內部的流場，以研究該水泵吸水室的性能； （ 2 ）通過分析流速圖、流線圖、湍動能圖和渦量圖，發現了流量比越大，湍動越大，漩渦總是出現在流量較小的一側。 -
The temperature field along the axis, axial velocity, the turbulent energy, and the concentration of the particles were investigated when the temperature field varied. the numerical experiment shows that the thermophoresis force changes the concentration of the 2 - micron particle, decreasing in the main flow and increasing in the near - wall region
數值實驗的結果表明在兩相流模型中添加熱泳力源項會對2微米顆粒在流場中的濃度分佈有很大的變化，主流區的顆粒濃度降低，近壁區顆粒濃度在溫差不大的時候，提高幾十倍。 -
The distributions of velocity vector, vorticity. turbulent kinetic energy and some other detailed flow information in the field are obtained. the influence of electric field on the flow field is discussed and gives a deep insight on it
3 、首次採用piv技術對荷電噴霧射流流場進行了測量，獲得了整個流場的瞬時速度、湍能、渦量等信息分布圖，研究了流場特性隨充電電壓的變化情況。 -
Under considering the impact of bubbles on the turbulence, the k - ? model modified with the presence of microbubbles is employed, postulating the turbulent kinetic energy k and the dissipation rate ? are the properties of continuous phase
考慮到氣泡對湍流的作用，本文採用了經過氣泡修正的k -湍流模型，並假定湍動能k及其耗散率是連續相的屬性。 -
Both tidal mixing and wind stirring can weaken the vertical stratification induced by freshwater buoyancy, but different mechanisms dominate such a process : tidal mixing is accomplished through the upward dissipation of turbulent kinetic energy whereas wind stirring is in the opposite direction
盡管潮汐混合和風的攪動作用均能削弱河流沖淡水浮力引起的垂直層化現象，但是其控制機制有所不同：潮汐混合是通過湍流動能自下向上的耗散來完成的，風攪動的方向恰好相反。 -
The results showed that the turbulence intensity and turbulent energy of the two - phase flow increased while the transverse velocity decreased in the presence of the temperature difference
分析已有實驗數據表明：在溫度場存在的氣粒兩相流中，兩相流場的湍流強度和湍動能將會增加而橫向速度將會減小。 -
And she began to shove with a woman s turbulent energy of anger
她用一種生了氣的婦人的潑辣的氣力推著。 -
At the same time, contour stream line, vortex, kinetic energy which are computed are important to investigate complex flow and turbulent flow
同時得到其它的參數如渦量場、等流函數線、紊動能等，這些參數對復雜流動和湍流有重要的研究意義。 -
Certain discrepancy remain between the simulation results and the experiment results, not only caused by the turbulent model, but also by the simplification of the inlet boundary condition and the mesh generation. modeling gas - particles interaction flows is complex. in this thesis, gas - phase transport equations coupled with the gas - particle interaction are derived based on the dsm turbulent models to handle the interaction of momentum and kinetic energy of turbulence between the gas and particles
分離器內的固體顆粒運動採用涉及湍流擴散影響的隨機軌道模型和確定軌道模型，同時在湍流模型中加入了顆粒影響的源項，在流場計算的基礎上，模擬了不同直徑的顆粒在分離器內的運動規律及顆粒分離效率，並同理論和實驗得到的數據進行了比較。 -
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
考慮電場與流場的耦合作用，建立了荷電流體的湍流模型，在荷電顆粒受力分析的基礎上，採用顆粒擬流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流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湍能的對流與擴散。 -
By applying volume averaging operator to the local transient rng k - s model, the effects of interaction between liquid and bubble on the turbulent kinetic energy and its dissipation rate are incorporated to the rng k - s model
根據eulerian體平均原理，對局部瞬時rng -模型方程進行平均化處理，經過數學演繹首次得出氣液兩相湍流rng -模型，並在模型中考慮了相間作用對液相湍流動能及耗散的影響。 -
Topics include the principles of conservation of mass, momentum and energy ; hydrostatic behavior of floating and submerged bodies ; lift and drag forces ; dimensional anaylsis ; wave forces on ships and offshore platforms ; laminar and turbulent flows
主題涵蓋質量守恆、動量守恆及能量守恆等原理、浮體及沈體之流體靜力行為、升力、拖曳力、因次分析、船舶及離岸平臺上作用的波力、層流及紊流。 -
In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition
本文旨在通過構造反映等離子點火器內部流動規律的基本方程組，建立描述等離子點火器內部的復雜物理化學過程機制數學模型：模擬等離子發生器內部燃燒的-雙方程湍流流動模型；模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型；模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型；模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等，對模型進行一定的合理的簡化，然後數值模擬等離子點火器內部流場的流動。 -
The relationship between the gas and particles is obtained as well as the distributions of velocities both of gas and particle, temperature, particle number density, and other turbulent qualities such as turbulent kinetic energy and its dissipation rate. it finds that micro zone clean control through the well - designed flow pattern is possible
在模擬的條件下探討了氣流運動和顆粒運動的關系，初步研究了通過氣流對不同分區進行潔凈度的控制實現的可能性，得出了不同送風狀態下氣相速度場和顆粒數密度的分佈、溫度及相關的湍流量的分佈。 -
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；電場對流場的作用明顯，速度與湍能的分佈及渦的結構等流場特性隨電場的改變均有不同規律的變化。
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