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Active thermal convection in vibrofluidized granular systems

Publication ,  Journal Article
Miao, G; Huang, K; Yun, Y; Wei, R
Published in: European Physical Journal B
August 1, 2004

We present a granular-hydrodynamic model that captures the essence of convection in a fully vibrofluidized granular system. The steady temperature distribution is solved analytically. Numerical simulation shows that the convection always develops through a supercritical bifurcation, with its energy about 5% of the random (heat) one. A comparison calculation is performed for a normal fluid. The convection roll, or an active roll as we call it, has an angular velocity gradient from its interior to exterior. We conclude that active rolls are universal.

Duke Scholars

Published In

European Physical Journal B

DOI

ISSN

1434-6028

Publication Date

August 1, 2004

Volume

40

Issue

3

Start / End Page

301 / 304

Related Subject Headings

  • Fluids & Plasmas
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

Citation

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Miao, G., Huang, K., Yun, Y., & Wei, R. (2004). Active thermal convection in vibrofluidized granular systems. European Physical Journal B, 40(3), 301–304. https://doi.org/10.1140/epjb/e2004-00277-7
Miao, G., K. Huang, Y. Yun, and R. Wei. “Active thermal convection in vibrofluidized granular systems.” European Physical Journal B 40, no. 3 (August 1, 2004): 301–4. https://doi.org/10.1140/epjb/e2004-00277-7.
Miao G, Huang K, Yun Y, Wei R. Active thermal convection in vibrofluidized granular systems. European Physical Journal B. 2004 Aug 1;40(3):301–4.
Miao, G., et al. “Active thermal convection in vibrofluidized granular systems.” European Physical Journal B, vol. 40, no. 3, Aug. 2004, pp. 301–04. Scopus, doi:10.1140/epjb/e2004-00277-7.
Miao G, Huang K, Yun Y, Wei R. Active thermal convection in vibrofluidized granular systems. European Physical Journal B. 2004 Aug 1;40(3):301–304.
Journal cover image

Published In

European Physical Journal B

DOI

ISSN

1434-6028

Publication Date

August 1, 2004

Volume

40

Issue

3

Start / End Page

301 / 304

Related Subject Headings

  • Fluids & Plasmas
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 02 Physical Sciences
  • 01 Mathematical Sciences