Determining of the Influence of Liquid Fuel Atomization on the Intensity of Heat Exchange in Combustion Chamber Involving Solution of the Inverse Problems

摘要

Efficiency of the combustion process is determined by the intensity of the heat transfer between the flame and heated up objects. The results of investigations of the combustion of the liquid fuel (oil) which is atomized in the twin-fluid atomizer are analyzed in the paper. Essential object of the research was the estimation of the influence of the parameters of the assisting air which was used for atomization of the liquid fuel on the thermal effect of the combustion process. Two thermal effects were taken into consideration: intensity of the heat transfer between the flame and the walls of combustion chamber and the flame temperature. Total transient heat flux (radiative and convective) on the surface of combustion chamber was estimated by solving inverse boundary heat conduction problem basing on the least squares method with a priori data. This solution uses the results of the measurements of transient temperature at the selected points located within the wall.