energy of turbulence 中文意思是什麼

energy of turbulence 解釋
擾動能量
  • energy : n. 1. 干勁，活力。2. （語言、行為等的）生動。3. 〈pl. 〉 （個人的）精力；能力。4. 【物理學】能，能量。
  • of : OF ＝Old French 古法語。
  • turbulence : n. 1. （風等的）狂暴；激流（現象）。2. 騷亂，動亂；強橫。3. 【氣象學】亂流。
  1. 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） 。
  2. According to the distribution of the turbulence kinetic energy and turbulence dissipation rate in the whole flow field, the mechanism of energy dissipation of stepped spillway is analyzed

    本文首次從紊動能和紊動耗散率在整個流場的變化規律出發，分析了階梯的消能機理。
  3. By the three dimensional numerical simulation of a project case, the distribution of pressures, turbulence kinetic energy and turbulence dissipation rate in the gentle slope spillway overflow are obtained

    通過對工程實例的三維數值模擬，得到了緩坡階梯壩面上的水壓力、紊動能和紊動耗散率的分佈規律。
  4. 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。
  5. Energy spectrum equation of turbulence

    湍淋譜方程
  6. 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。
  7. On every step, the maximum of the turbulence dissipation rate is at the step tip. because the interaction between the skimming flow and the step tips causes the energy to dissipate continuously, so that the step can have better energy dissipation results

    在每個階梯上，紊動耗散率的最大值出現在階梯的突角處，正是由於滑移主流與階梯突角之間的相互作用使能量不斷耗散，從而使階梯具有良好的消能效果。
  8. 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。
  9. Evaluation results show that the turbulence in convection zone is capable of generating enough wave energy to supply coronal energy lose due to convection and radiation

    利用理論結果的計算表明，對流層的湍動對流完全有可能激發足夠的波能去補充日冕中等離子體對流和輻射造成的能量損失。
  10. 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。
  11. For the present two les models, adopting the subgrid eddy viscosity concept and introducing the transport equation of turbulence energy k, the subgrid scale turbulence is parameterized by the turbulence energy k and the length scale of turbulence / ( k - 1 model ). in addition, vegetation is considered as an internal source of resistant force and turbulence energy

    在應用大渦模擬方法求解數值計算模型控制方程時，亞網格雷諾應力項沿用了亞網格渦粘性系數思路，引入亞網格紊流脈動動能k的輸運方程，建立了關于亞網格紊流脈動動能k和紊流特徵長度l的k - l模型求解。
  12. 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。
  13. The numerical simulation was made on this kind of energy dissipator by using the k - s turbulence model, the full - field distribution of the time - averaged parameter and the turbulence parameter are described in detail, the calculated time - averaged pressure has good agreement with the experimental results, some advice can be provided for the further study and application in this thesis, especially the calculated results can be used to check the lowest time - averaged pressure

    本文對洞塞式消能工採用軸對稱的k -模型進行了數值模擬，數值模擬結果詳細地描述了時均流參數和紊動參數的全場分佈，計算所得的壁面時均壓力結果與實驗結果相吻合，獲得了實體試驗難以獲得的流動特徵。可供這種消能工的進一步研究和應用提供參考，特別是可用於檢驗壓力最低點的大小。
  14. One of the main reasons of the step spillway having greater energy dissipation is that the potential energy of the flow continuously transforms to the kinetic energy along the spillway and the kinetic energy partially transforms to the turbulence kinetic energy, and the flow energy is finally dissipated by means of turbulence dissipation

    研究表明，階梯壩面水流能量耗散較大的重要原因之一是由於勢能沿程不斷轉化為動能，而動能又部分轉化為紊動能，進而由紊動耗散的方式而消耗。
  15. Shanghai and shenzhen stock markets opened today after indexes in the market are cautious psychological impact, 滬 指 am finishing all the way in a pattern of high turbulence and afternoon, the blue chip market in a strong push, 滬 指 effectively broke the 6000 - point level, 滬 指 highest in 6039, the lowest in 5866, overall content can still maintain good, the opener monday to give the market a good confidence evidently, indexes still exists a certain amount of kinetic energy increases

    今日滬深兩市股指開盤后，在受到市場的謹慎心理影響，滬指上午一路處于高位震蕩整理格局，而午後，在大盤藍籌股的強勢拉升之下，滬指有效的突破了6000點大關，滬指最高於6039點，最低於5866點，整體量能依然保持良好，周一的開門紅給予市場良好的信心，由此可見，股指依然存在著一定的上升動能。
  16. Flow details of measurement indicate that the coupling of periodic separated flow ( such as low frequency swinging of separation line ) with nozzle flow may cause aft - end internal flow unsteady. recirculation flow gains more energy from the main flow, at the same time the turbulence intensity increases

    通過對測量結果的分析，我們認為分離流動的周期性（如分離線的低頻擺動）與噴管流動相耦合，會造成燃燒室尾部流動的非穩態效應增強，增加了迴流區從主流中獲得的能量，也加劇了流場的湍流脈動。
  17. 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。
  18. Orsm includes physical processes such as radiative transfer, phase changes of water substance, re - distribution of energy due to cumulus convection, transport of momentum, energy and moisture by turbulence, and exchanges between the atmosphere and the surface layer

    ： orsm中的物理過程包括輻射交換水分的相變積雲對流所帶動的能量重新分佈湍流所引發的動量能量和水汽輸送大氣與地面層之間的各種交換等等。
  19. Using the technique of fourier transformation, we can derive the alfven wave energy spectrum generated from convection turbulence modeled with kolmogroff - like power spectrum

    這樣，通過計算可以得到磁通管中被激發的扭轉alfven能譜。
  20. In order to study the characteristics of the stepped spillway overflow comprehensively and seek for the measure to increase the energy dissipation of the stepped spillway at large unit discharge, the method of turbulence numerical simulation and model test are used to study the stepped spillway overflow. in view of the curved free water surface, complicated boundary condition and turbulence flow, it very difficult to simulate the stepped spillway overflow

    為了對階梯溢流壩面流場特性進行全面的研究，同時探求在大單寬流量下提高階梯溢流壩消能率的措施，本文採用紊流數值模擬與實驗相結合，數值計算為主、實驗為輔的研究方法對階梯溢流壩面流場進行了較系統深入的研究。
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