The Influence of an Acoustic Field on the Bed Expansion of Fine Particles

Akash M. Langde; R. L. Sonolikar

doi:10.1016/S1004-9541(11)60036-0

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The Influence of an Acoustic Field on the Bed Expansion of Fine Particles

Updated：2026-01-06

- The Influence of an Acoustic Field on the Bed Expansion of Fine Particles
- Chinese Journal of Chemical Engineering Vol. 19, Issue 4, Pages: 649-655(2011)
- Affiliations：
  
  1. Anjuman College of Engineering and Technology, Nagpur, Maharashtra,India
  2. Laxminarayan Institute of Technology, Nagpur, Maharashtra,India
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(11)60036-0
  CLC：
- Published：2011
- Accepted：
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Akash M. Langde, R. L. Sonolikar. The Influence of an Acoustic Field on the Bed Expansion of Fine Particles[J]. , 2011, 19(4): 649-655.
DOI：

Akash M. Langde, R. L. Sonolikar. The Influence of an Acoustic Field on the Bed Expansion of Fine Particles[J]. , 2011, 19(4): 649-655. DOI： 10.1016/S1004-9541(11)60036-0.

摘要

Abstract

Fine particles are difficult to fluidize due to strong interparticle attraction.An attempt has been made to study the bed expansion of silica gel(

=25μm) powder in presence of an acoustic field.A 135 mm diameter fluidized bed activated by an acoustic field with sound intensity up to 145 dB and frequency from 90 Hz to 170 Hz was studied.The effects of sound pressure level

sound frequency and particle loading on the bed expansion were investigated.Experimental results showed that

bed expansion was good in presence of acoustic field of particular frequency.In addition

it was observed that in presence of acoustic field the bed collapses slowly.

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