s.h hashemabadi - Computational Fluid Dynamics Research Laboratory, School of Chemical Engineering, Iran University of Science and Technology, ۱۶۸۴۶, Tehran, Iran,
h sheikhani - Computational Fluid Dynamics Research Laboratory, School of Chemical Engineering, Iran University of Science and Technology, ۱۶۸۴۶, Tehran, Iran,
s.i pishbin - Research and Development, National Iranian Gas Company, Khorasan Razavi Pro ince, Mashad, Iran
s.m javadi - Mechanical Engineering Faculty, Ferdowsi University, Mashad, Iran

This analysis illustrates the important role of internal ejector on production of pollutants such as CO, UHC and NOx, and peak flame temperature in high-pressure atmospheric burner with using of Computational Fluid Dynamics CFD in deferent Air/Fuel ratio. The combustion is modeled using two-step reaction mechanism and standard k-ε model is used for modeling turbulence. With using of internal ejector peak flame temperature and NO production of combustion is increased and CO, UHC emissions is decreased.

high-pressure,atmospheric burner,computational fluid dynamics,combustion,