
Abstract Following Seshadri and Williams solution describing the flow field for the opposed jet burner, the analytical solution is given for the flow field of two other burners: the opposed tubular burner and the tubular burner. Under plug flow boundary conditions, it is shown that the stretch rate at the stagnation surface of the opposed tubular burner is k = π V / ( R 2 − R 1 ) for the case of equal velocities and equal densities (i.e., ρ 1 = ρ 2 and V 1 = − V 2 = V ). For the tubular burner, the stretch rate at the center of the burner is k = π V / R 2 . The comparison of the numerical simulation and analytical solution is carried out to verify the analytical solution.
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