Use of Matrices Made of Permeable Wire Material in Infrared Burners

Abstract

The characteristics of surface-combustion IR burners with permeable wire material matrices operating on natural gas−air mixtures are studied. The experiments are carried out with matrices of two designs: a flat two-layer matrix and a volumetric cylindrical matrix. The composition of the combustion products is determined, and the temperatures of the working surface and the back surface of the matrices are measured at burning power densities from 10 to 90 W/cm². It is shown that burners with a volumetric matrix are characterized by a higher efficiency of conversion of combustion energy into thermal radiation and lower emissions of carbon monoxide and nitrogen oxides as compared to burners with a flat permeable matrix.