대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제24권4호
  • /
  • Pages.578-588
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  • 2000
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  • 1226-4881(pISSN)
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  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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2차 모멘트 난류모형에 의한 회전하는 평행 평판유동 해석

Numerical Simulation of Rotating Channel Flows Using a Second Moment Turbulence Closure

  • 발행 : 2000.04.01
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초록

A low-Reynolds-number second moment turbulence closure is improved with the aid of DNS data. For the model coefficients of pressure-strain terms, we adopted Shima's model with some modification. Shin and Choi's new dissipation-rate equation is employed to simulate accurately the turbulence energy dissipation rate distribution in the near wall sublayer. The results of computations are compared with DNS, LES data and experimental data for turbulent plane channel flow with rotation about spanwise axis. The present second moment closure achieves a level of agreement similar to that for the non-rotating. In particular, it accurately captures the distribution of turbulence energy dissipation rate in the near wall region.

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참고문헌

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