A CHEMKIN based Fortran simulation code for the laminar opposed jet diffusion flame

Abstract

Although it has been used for many years, an existing computer code, developed to simulate the laminar opposed-jet diffusion flame (LOJDF), was found not to be written in an user-friendly fashion. This was especially true for the portion dealing with calculation of thermochemical properties. The purpose of this research was to replace the appropriate portions of the existing program by the corresponding portions of the CHEMKIN package. CHEMKIN has become a recognized standard in inputing chemical kinetics data into program, since the inputing is almost format free and easy to manipulate. A series of test cases show that the updated code is now better structured, user-friendly, and ready to use. The previous LOJDF model, in addition, is modified by adding source terms for species generation in the governing equations. The source-contained LOJDF model has proven to be useful in evaluating the numerical relation of the fate of an impurity to its location and strength.