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Numerical investigation of the effect of bed height and coefficient of restitution on the minimum fluidization velocity of a cylindrical fluidized bed.

Karnik, Aditya ; Rangarajan, A.; Tandon, M.

Authors

A. Rangarajan

M. Tandon



Abstract

Numerical simulation for 4 different ratios of initial bed heights (H) to base diameter (D), were performed; viz. 0.5, 1, 2 and 3. Glass beads of density 2600kg/m3 and with an average diameter of 550μm were used for all the simulations. Simulations were performed using the commercial CFD software, STAR-CCM+. The minimum fluidization velocity was identified by measuring pressure drop across the entire domain and found to remain same for all the above mentioned ratios. The present CFD results show excellent agreement with the experimental findings of Escudero & Heindel (2010).

Citation

KARNIK, A., RANGARAJAN, A. and TANDON, A. 2013. Numerical investigation of the effect of bed height and coefficient of restitution on the minimum fluidization velocity of a cylindrical fluidized bed. Presented at the 8th International conference on multiphase flow (ICMF 2013), 26-31 May 2013, Jeju, Korea.

Presentation Conference Type Conference Paper (unpublished)
Conference Name 8th International conference on multiphase flow (ICMF 2013)
Start Date May 26, 2013
End Date May 31, 2013
Deposit Date Jun 24, 2019
Publicly Available Date Jul 11, 2019
Keywords CFD; Granular flow; Fluidization; Minimum fluidization velocity
Public URL https://rgu-repository.worktribe.com/output/314928

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