Experimental investigation on emission and stability of dual feed biogas swirl combustor

Journal Reference

Journal of Renewable and Sustainable Energy , volume 8, Issue 2 ,  2016.

Marija Živković, Aleksandar Milivojević2, and Miroljub Adžić2

Show Affiliations
  1. Faculty of Mining and Geology,University of Belgrade Djusina 7, 11000 Belgrade, Serbia
  2. Faculty of Mechanical Engineering,University of Belgrade, Kraljice Marije 16, 11000 Belgrade, Serbia


Biomass is a renewable energy source with the highest potential to contribute in meeting energy needs and providing a secure and sustainable energy supply. For combustion of biogas (low calorific gas), an efficient technology is needed. It should provide stable combustion with low emission of pollutants such as CO and NOx over a wide operating range.

This paper presents the experimental investigation on emission and stability of a premixed dual feed biogas swirl combustor with a pilot burner. For the experimental investigation, swirlers with swirl numbers 1.13 for the main burner and 1.98 for the pilot burner were used. The tests were performed at atmospheric conditions. The effects of carbon dioxide content, nominal thermal power, and equivalence ratio were analyzed and briefly discussed.

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