Application of Leith's Model for the Energy Transfer Process in an Isotropic Gas-Solid Turbulent Flow

S.DE; S.GHORAI; H. P. MAZUMDAR

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Application of Leith's Model for the Energy Transfer Process in an Isotropic Gas-Solid Turbulent Flow

机译：利斯模型在各向同性气固湍流中的能量转移过程中的应用

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Leith initiated a diffusion approximation first to describe the non-local inertiai energy transfer between wave number components in the spectral representation of an isotropic turbulent flow. Thus it obeyed the inertiai range spectrum of Kolmogorov and covered all the previous predictions of Kovasznay, Obukhov, Heisenberg and Kraichnan regarding, homogeneous isotropic turbulent flow. We finally work out the solution of the energy by series solution method. In this paper, we have discussed the procedures following a straightforward self - preserving concept which originated with Heisenberg (henceforth known as Heisenberg method and procedure) allowing a determination of the spectrum at large Reynolds numbers and the authors have tried to include those frequencies which have small wave numbers, since the distribution of energy among the largest eddies must be a geometrical and not a statistical part of the problem of spectrum and we must remark at the outset that statistical part of the problem is well understood.

机译：Leith首先启动扩散近似，以描述在各向同性湍流的光谱表示中波数分量之间的非局部惯性能量传递。因此，它遵守了Kolmogorov的惯性范围谱，并涵盖了Kovasznay，Obukhov，Heisenberg和Kraichnan关于均匀各向同性湍流的所有预测。我们终于通过串联解决方法解决了能量的解决方案。在本文中，我们已经讨论了源自Heisenberg（Heisenberg方法和程序）起源于Heisenberg的直接自我保留概念之后的程序，允许在大型雷诺数的频谱确定频谱，并且作者试图包括那些具有的那些频率小波数，由于最大漩涡之间的能量分布必须是几何而不是统计部分的谱问题，并且我们必须首先备注问题的统计部分很好地理解。

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《Science and Culture》 |2020年第2期|54-61|共8页
作者
S.DE; S.GHORAI; H. P. MAZUMDAR;
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Deptt. of Mathematics Chandernagore College West Bengal;

Deptt. of Mathematics Jadavpur University;

P.A.M.U.ISI Kolkata -700108;

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3. 3D numerical modeling of non-isotropic turbulent buoyant helicoidal flow and heat transfer in a curved open channel [J] . Yong-Ming Shen, Chiu-On Ng, Hao-Qing Ni International Journal of Heat and Mass Transfer . 2003,第11期

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5. Radiative Heat Transfer in Combustion Applications: Parallel Efficiencies of Two Gas Models, Turbulent Radiation Interactions in Particulate Laden Flows, and Coarse Mesh Finite Difference Acceleration for Improved Temporal Accuracy. [D] . Cleveland, Mathew A. 2011

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8. A new energy transfer model for turbulent free shear flow [R] . Liou, William W.-W. 1992

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Application of Leith's Model for the Energy Transfer Process in an Isotropic Gas-Solid Turbulent Flow

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