ACTIVE CONTROL OF PERFORMANCE AND NOx EMISSIONS OF STAGED GASEOUS FUEL BURNER

Mahmoud, H. M.; Hammed, Sh. A.; Nosier, M. A.; Wandan, A. M.; Abd EI-Ghany, S. M.

doi:10.21608/asat.1999.24877

ACTIVE CONTROL OF PERFORMANCE AND NOx EMISSIONS OF STAGED GASEOUS FUEL BURNER

Document Type : Original Article

Authors

Faculty of Engineering Ain Shams Universty.

10.21608/asat.1999.24877

Abstract

Closed loop feedback control is implemented in gaseous fuel staged burner to maintain low NO„ emission. The experimental set-up is a swirl-stabilized, diffusion flame, staged combustion gaseous fuel burner. The emissions of NO and carbon dioxide are monitored in real time and controlled as a function of burner load. The control input to the system is the . primary and secondary air flow rate. The NO,, emissions and CO2 concentrations are measured through two analyzers near the burner exit plane. This information is conveyed to a computer control system which invokes an optimization algorithm to maintain the low NO„ emissions in addition to high CO2 concentrations which, for fixed overall air/fuel ratio, entails achievement of high combustion efficiency. The success of the control methodology encourages its application on practical systems.

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