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Resistance of wood pellets to low airflow

  1. F. Yazdanpanah1,*,
  2. A. Lau1,
  3. S. Sokhansanj1,2,
  4. C. J. Lim1,
  5. X. Bi1,
  6. S. Melin1,3

Article first published online: 21 NOV 2011

DOI: 10.1002/cjce.20668

Issue

The Canadian Journal of Chemical Engineering

The Canadian Journal of Chemical Engineering

Volume 90, Issue 6, pages 1479–1483, December 2012

Additional Information

How to Cite

Yazdanpanah, F., Lau, A., Sokhansanj, S., Lim, C. J., Bi, X. and Melin, S. (2012), Resistance of wood pellets to low airflow. Can. J. Chem. Eng., 90: 1479–1483. doi: 10.1002/cjce.20668

Author Information

  1. 1

    Chemical and Biological Engineering Department, University of British Columbia, Vancouver, BC, Canada, V6T 1Z3

  2. 2

    Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, U.S.A.

  3. 3

    Delta Research Corporation, Delta, Canada

*Chemical and Biological Engineering Department, University of British Columbia, Vancouver, BC, Canada, V6T 1Z3.

Publication History

  1. Issue published online: 6 NOV 2012
  2. Article first published online: 21 NOV 2011
  3. Manuscript Accepted: 19 JUL 2011
  4. Manuscript Revised: 3 JUL 2011
  5. Manuscript Received: 14 JAN 2011

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Keywords:

  • wood pellet;
  • storage;
  • pressure drop;
  • low airflow;
  • ventilation;
  • cooling;
  • drying

Abstract

The pressure drop versus low airflow from 0.000117 to 0.1 m/s was measured across a fixed bed of wood pellets. Wood pellets were on average 6.2 mm in diameter and 12 mm in length. The moisture content of wood pellets ranged from 2.8% to 8.1%. Four equations, Darcy, Shedd, Hukill and Ergun representing flow versus static pressure drop for bulk granules were fitted to the experimental data. At airflows below 0.01 m/s, the predicted pressure drops using all four equations deviated from experimental data. This deviation was the largest for the Darcy equation and the smallest for Ergun equation. © 2011 Canadian Society for Chemical Engineering

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