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45th AIAA Aerospace Sciences Meeting and Exhibit
Spherical diffusion flames supported on a porous sphere were studied numerically and experimentally. Experiments were performed in 2.2 s and 5.2 s microgravity facilities. Numerical results were obtained from a Chemkin-based program. The program simulates flow from a porous sphere into a quiescent environment, yields both steady-state and transient results, and accounts for optically thick gas-phase radiation. The low flow velocities and long residence times in these diffusion flames lead todoi:10.2514/6.2007-736 fatcat:uikpge4z2reztd3j2bb755wfvy