reynolds stress 中文意思是什麼

reynolds stress 解釋
雷諾應力
  • reynolds : n. 雷諾茲〈姓氏〉。
  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  1. In the boundary, velocity and reynolds stress was distorted greatly by the vortex that leaded to an upwash domain and a downwash domain

    射流傾斜角度和速度的變化將引起渦旋對邊界層影響范圍的變化。
  2. By using the three - dimension acoustic doppler velocimeter to measure velocities of flow in an ecological river before and after arrangement of cropping loops, the velocity distribution, turbulence intensity and reynolds stress before and after arrangement of cropping loops are compared

    摘要採用三維超聲波多普勒測速儀對河道生態修復中種植圈布設前後的工況量測，比較了布設種植圈前後的流速分佈、紊動強度和雷諾應力的變化。
  3. The velocity, turbulent intensity, and reynolds stress of the liquid was measured with ldv, while the hold up, velocity of gas were measured with piv

    用ldv測量液相時均速度、湍動速度和雷諾應力，用piv測量含氣率和氣泡運動速度。
  4. The two - equation turbulence models can be thought to consist of two more or less separate parts : the scale determining model, which provides scalar information about the turbulence, and the constitutive model, which determines the reynolds stress tensor

    所涉及到的兩方程湍流模型一般包含兩部分：一是尺度標定模型，它給出了湍流的標量信息，如兩方程模型的尺度因子，或者。
  5. The main contents and conclusions of the study are as followed : 1, according to the experiment data of the gravity flow in reservoir, the accuracy and economy of rsm ( reynolds stress model ), k - s model and spalart - allmaras model are compared

    主要研究內容及成果如下： 1以水庫重力下潛流的實驗資料作為依據，對rsm模型、 -模型和spalart - allmaras模型的精度和經濟性進行比較研究。
  6. Results show that the longitudinal velocity distribution fluctuates significantly, and that the relative turbulence intensity and reynolds stress have a little increase

    結果表明，布設種植圈后，縱向流速分佈波動明顯，相對紊動強度和雷諾應力均略有增加。
  7. The conclusion is that sheering and radial stress are dominant in viscosity shearing force, and that reynolds stress is larger than viscosity stress in turbulent flow, and the multiple is the reynolds number

    由分析可知在粘性應力中，切向和徑向剪切應力佔主導地位；而在湍流條件下，雷諾應力是粘性應力的若干倍數，此倍數在量級上即為雷諾數。
  8. The correlation - uv / u2 of light particles with diameter of 0. 1mm is similar to the reynolds stress in clear water flow. for larger and heavy particles, deviation occurs

    『的分佈和清水的紊動切應力分佈形狀相近，較大粒徑顆粒的分佈則有明顯的偏離，重顆粒的偏離更顯著。
  9. Next, aiming at the state of the art in engineering turbulence models, one extended explicit algebraic reynolds stress model to simulate anisotropic buoyant turbulent flows. validation was done using experimental and other numerical results of turbulent thermal mixing in t - junction flows

    進一步的，針對當前考慮浮力作用紊流模型的研究現狀，導出了適合模擬各向異性的浮力紊流的顯式代數雷諾應力模型，並利用t型交叉管內的溫度混合試驗成果進行了分析驗證。
  10. The numerical results show that the flow - field structures and main features of the compressible mixing layer including the distribution of mean velocity, turbulent fluctuation intensities, reynolds stress and growth rates agree well with experimental and other numerical results

    計算出的流場結構和主要的流動特徵包括平均速度、湍流脈動強度和雷諾應力的分佈以及混合層擴張率都同實驗測量和其他時間發展數值模擬結果符合得很好。
  11. When dealing with a low swirl number flow, the results by renormalization group ( rng ) k - ? model agree well enough with experiments, so we do not have to apply reynolds stress model ( rsm )

    在計算弱旋氣相流動時， rng ?模型可以滿足工程上的精度需求，因而沒有必要運用計算量很大的雷諾應力模型。
  12. At the same time, it presents three turbulence models ( standard k - ? model, renormalization group k - ? model and reynolds stress model ) which have been used widely at present, and then their merits / shortcomings have been compared while being used to calculate swirling jets

    文中對目前應用較多的?模型、重正化群（ rng ）的?模型及雷諾應力模型進行了理論上的分析，經過對不同旋流強度的旋轉射流的計算，比較了它們在實際求解中的優劣。
  13. A vertical two dimensional model for thermo stratified flows is proposed, which solves the velocity and pressure by a fractional step method, and large eddy simulation model is used to calculate the reynolds stress and turbulent diffusion effect

    摘要建立立面二維水動力學與水溫耦合模型，用分步法求解流速和壓力，採用大渦模型計算紊動應力和紊動擴散。
  14. Three - dimensional gas flow field in the new vortex quick separation system with an inner component of fcc disengager was simulated based on the reynolds stress model ( rsm ) provided by cfx

    摘要用cfx軟體對催化裂化沉降器新型旋流快分器的氣相流場進行了三維模擬，湍流模型採用雷諾應力輸運方程模型。
  15. If the two - equation turbulence models employ a linear relationship between the reynolds stress and the mean strain - rate tensors, this relationship is known as the generalized boussinesq model, the two - equation models can be extended for a wider range of applicability by developing more advanced nonlinear algebraic relations between the stress tensor and the mean - velocity gradient and the turbulent scales, this is known as explicit algebraic stress models ( easm )

    另一個是構成模型，即決定應力張量、應變率張量和兩個湍流尺度因子之間的函數關系式，它決定了雷諾應力。如果構成模型是線性的，則為boussinesq渦粘模型（ evm ） ，如果構成模型是非線性的代數關系式，則為顯式代數應力模型（ easm ） 。
  16. Reynolds stress tensor

    雷諾應力張量
  17. As to the gas phase flow field, author chooses the standard k - model, the realizable k - model and the reynolds stress model to make simulation and comparison

    對于氣相流場，本文作者針對k -雙方程模型，可實現性k -雙方程模型以及雷諾應力模型進行了模擬比較。
  18. In the same case of the initial conditions and boundary conditions the expectation result of the realizable k - model and the reynolds stress model is better to the standard k - model, and moreover the expectation result of the reynolds stress model is close to the test result

    發現在相同初始條件和邊界條件下、可實現性k -雙方程模型和雷諾應力模型預報結果優于k -模型，而雷諾應力模型預報結果與試驗結果更為一致。
  19. Reynolds stress model of 11 equations in the thermally stratified turbulent flows

    應力模型在熱分層流場中的應用及優化
  20. Reynolds stress model

    雷諾應力模型
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