Experimental study of operating range and radiation efficiency of a metal porous burner

Abstract

In this paper, a radiant metal porous burner which is formed from wire mesh layers is studied. Surface temperature of the burner is measured in different equivalence ratios and firing rates and radiation efficiency is calculated for each case. The experiments are performed for different thicknesses of the porous medium. The results show that the surface temperature increases with increasing firing rate and maximum surface temperature occurs in a lean mixture. Comparing the results for different thicknesses shows that maximum surface temperature is obtained in a medium with three-layer of wire mesh. The radiation efficiency of the burner decreases with increasing firing rate. The maximum radiation efficiency is about 30 percent which is obtained in the three-layer of wire mesh in the minimum firing rate. Comparison of the results with the other works shows a good agreement between them.

Keywords

Dates

  • Submission Date2012-05-22
  • Revision Date2013-10-02
  • Acceptance Date2013-12-07
  • Online Date2013-12-22

DOI Reference

10.2298/TSCI120522154H

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