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Influence of the method of air-fuel mixture supply on the main characteristics of heat and mass transfer processes

Influence of the method of air-fuel mixture supply on the main characteristics of heat and mass... Computational experiments were carried out using three-dimensional computer modeling methods to determine the effect of various burner arrangements and the method of fuel mixture supply on the main characteristics of heat and mass transfer processes (flow aerodynamics, temperature fields, concentration fields of combustion products) throughout the entire volume of the combustion chamber of a power boiler and at its outlet. It is shown that the use of vortex burners with a swirl of the air mixture flow allows improvement of metabolic processes in the combustion chamber and reduces emissions of harmful substances into the atmosphere both during traditional fuel combustion and at reduced boiler load (partial shutdown of burners). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thermophysics and Aeromechanics Springer Journals

Influence of the method of air-fuel mixture supply on the main characteristics of heat and mass transfer processes

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Publisher
Springer Journals
Copyright
Copyright © A.S. Askarova, V.E. Messerle, S.A. Bolegenova, V.Yu. Maksimov, S.A. Bolegenova, and A.O. Nugymanova 2022
ISSN
0869-8643
eISSN
1531-8699
DOI
10.1134/s0869864322010097
Publisher site
See Article on Publisher Site

Abstract

Computational experiments were carried out using three-dimensional computer modeling methods to determine the effect of various burner arrangements and the method of fuel mixture supply on the main characteristics of heat and mass transfer processes (flow aerodynamics, temperature fields, concentration fields of combustion products) throughout the entire volume of the combustion chamber of a power boiler and at its outlet. It is shown that the use of vortex burners with a swirl of the air mixture flow allows improvement of metabolic processes in the combustion chamber and reduces emissions of harmful substances into the atmosphere both during traditional fuel combustion and at reduced boiler load (partial shutdown of burners).

Journal

Thermophysics and AeromechanicsSpringer Journals

Published: Jan 1, 2022

Keywords: heat and mass transfer; numerical simulation; air mixture supply method; reduced boiler load; velocity; temperature; concentration of harmful substances

References