雷諾應力 的英文怎麼說

中文拼音 [léinuòyīnglì]
雷諾應力 英文
eddy stress
  • 雷 : 1. （雲層放電時發出的響聲） thunder 2. （軍事上用的爆炸武器） mine 3. （姓氏） a surname
  • 諾 : Ⅰ動詞（答應; 允許） promise Ⅱ感嘆詞（答應的聲音） yesⅢ名詞（姓氏） a surname
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 雷諾 : jean renoir
  1. 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。
  2. 3. a three - dimensional - acoustic doppler velocimeter has been used to measure the velocity and turbulence in a compound channel with vegetated and unvegetated flood - plains. particulary in the interface region between main channel and floodplain. the distribution in three coordinate directions of velocity and turbulence intensities and the renolds stresses are presented. the momentum transfer at the main channel flood - plain interface can be described as an apparent shear stress which can be quantified as a function of the local turbulence at the interface

    採用adv對灘地種樹前後灘槽交界區域的流速場進行了量測。分析了灘槽交界區域的垂線流速、紊動強度和雷諾應力的變化。將灘槽交界的動量傳遞描述為一表觀應力，這個表觀應力可以看作是交界面處的脈動函數並將其定量化。
  3. Numerical simulation of reynolds stresses of gas - solid two - phase flows in an inertial separator

    慣性分離器內氣固兩相流雷諾應力數值模擬
  4. 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。
  5. 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。
  6. 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。
  7. 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。
  8. A three - dimensional - acoustic doppler velocimeter is used to measure the velocity components of the flow field in all three coordinate directions for different discharge and measurement site. the influence of measurement site and the depth / vegetation height ratio on the measured velocity profile and turbulence intensity and the renolds stress is analyzed. the characteristics of the measured velocity distributions and the results of the previous investigators are used to select an analytical expression for the shape of the velocity profile

    利用三維超聲波多普勒流速儀（ adv ）量測不同位置、不同流量下的瞬時流場。分析了測點位置和水深與植被高度比對時均流速分佈的影響。本文還給出了種樹段紊動強度及雷諾應力的垂線分佈。
  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 influence of turbulence is seen as a new term in the equations. this term is the divergence of a second - order correlation tensor of the fluctuating parts of each velocity component

    湍流脈動的影響作為一個新的附加項?雷諾應力，出現在rans方程中，它是擾動速度分量二階關聯張量的散度。
  11. 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。
  12. 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。
  13. The mean profiles of reynolds stresses bear prodigious specialty, i. e. the lateral fluctuations at the centerline are inhibjied strongly and the longitudinal ones have the tendency of growing continuously, which is induced by the special symmetrical vorticity field

    雷諾應力分佈有很大的特殊性，即軸線的橫向應力被強烈地抑制，而縱向應力卻有不斷變大的趨勢，這是由於特殊的對稱渦量場結構引起的。
  14. 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。
  15. 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。
  16. 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 ） 。
  17. Navier - strokes equation was solved using simple method. lam - bremhorst k - e was used to simulate turbulent flow. it was indicated in this thesis that a longitudinal vortex would be produced after the jet exhausted from a plate into a boundary layer at a pitch angle and a skew angle

    研究結果表明，有一定傾斜角度的單個射流與主流作用后，將在下游產生一個流向渦旋，渦旋使得邊界層內的速度和雷諾應力發生嚴重扭曲，從而形成上洗區域和下洗區域。
  18. Reynolds stress tensor

    雷諾應力張量
  19. The effect of the change of surface elevation on the wave development and elimination is pointed out for the first time, which provides the necessary theoretical basis for the development of united current - wave - tide model ; hi the discussion of the effects of waves on currents, a variety of wave - induced forces on the geostrophic and viscous condition and their producing mechanism are introduced systematically, their corresponding wave - induced currents are also analyzed qualitatively. moreover, a complete expression of wave - induced reynolds stresses tensor is presented for the first time

    在浪對流作用的討論中，系統的闡述了海浪在地轉作用和粘性條件下所產生的各種作用力，詳述了它們的生成機制，並定性的分析了相應的波生流，同時，首次提供了地轉條件下浪致雷諾應力張量的完整表達式，為實現海流模式與海浪模式的并行數值計算提供了一種簡便的途徑。
  20. 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。
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