Two-Scale Direct-Interaction Approach to the Turbulent Scalar Flux in a Rotating System
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概要
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Two-scale direct-interaction approximation (TSDIA) is applied to the calculationof the turbulent passive scalar flux, the scalar variance, and the helicity in a rotatingsystem. A skew-diffusion effect is confirmed to appear in a rotating system, whichgives rise to the appearance of a component of turbulent scalar flux perpendicular tothe local mean scalar gradient and to the axis of rotation. On this basis, the cornparison between TSDIA and the smoothing theory is made, and an explicit form forthe skew velocity in a rotating system is found.
- 社団法人日本物理学会の論文
- 1986-10-15
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関連論文
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- Two-Scale Direct-Interaction Approach to the Turbulent Scalar Flux in a Rotating System