Methane/air volumetric mixtures (gob-gas) ranging from 10 to 40 percent methane have been experimentally evaluated in the Solar Low Calorific Value Gas Combustor Facility. The majority of data was taken at ambient atmospheric conditions at the inlet to the combustor with some testing to 200 C (400 F) inlet temperature and two atmospheres pressure. Operational fuel-air ranges for 99 percent combustion efficiency were defined as well as the lean extinction limits for the above mentioned range of gob gas mixtures. This latter reduced data has been correlated so as to provide approximate combustor design functions.

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