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A Lagrangian stochastic model for turbulent dispersion

  • Thermal Engineering · Fluid Engineering · nergy and Power Engineering
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Abstract

A Lagrangian stochastic model is adopted for the calculations of turbulent dispersion in turbulent channel flows. Dispersion of a fluid particle and relative dispersion between two particles released at the same location are investigated and compared with the classical scaling relations for homogeneous turbulence. The viscous effect is realized by adding a Browinian random walk to the calculation of the position of a particle. The near-wall accumulation of particles is examined.

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Authors and Affiliations

  1. Department of Applied Mathematics, Hongik University, 121-791, Seoul, Korea

    Namhyun Kim

  2. Division of Mechanical Engineering, School of Electrical and Mechanical Engineering, Yonsei University, 134 Shinchon-dong, Seodaemun-ku, 120-749, Seoul, Korea

    Changhoon Lee & Byunggu Kim

Authors
  1. Changhoon Lee
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  2. Byunggu Kim
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  3. Namhyun Kim
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Correspondence to Changhoon Lee.

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Lee, C., Kim, B. & Kim, N. A Lagrangian stochastic model for turbulent dispersion. KSME International Journal 15, 1683–1690 (2001). https://doi.org/10.1007/BF03185123

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  • DOI: https://doi.org/10.1007/BF03185123

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