Pressure spectra in homogeneous low Reynolds number turbulent shear flow subjected to weak rotation

被引：0

作者：

Mazumdar, HP ^{[1
]}

Andersson, HI ^{[1
]}

机构：

[1] Indian Stat Inst, Phys & Appl Math Unit, Calcutta 700035, W Bengal, India

来源：

FLUID DYNAMICS RESEARCH | 1998年 / 23卷 / 06期

关键词：

D O I：

10.1016/S0169-5983(98)00004-5

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In this paper, pressure spectra have been derived from the authors' model (Eur. J. Mech., B/Fluids 12 (1) (1993) 31-42) developed by means of rapid distortion theory (RDT) of homogeneous low Reynolds number turbulent shear flow subjected to weak rotation. The combined effects of uniform shear dU(1)/dx(2) and weak rotation Ohm(3) on the evolution of pressure spectra have been examined in terms of the rotation number 2 Ohm(3)/(dU(1)/dx(2)). It is found that the system rotation exhibits the opposite effect on the pressure field as compared with the influence of rotation on the velocity fluctuations. (C) 1998 The Japan Society of Fluid Mechanics and Elsevier Science B.V. All rights reserved.

引用

页码：343 / 348

页数：6

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