Publication Date:
2019-07-13
Description:
Results are presented for an investigation of the structure of unconfined propane flames stabilized on a NASA contra-swirl can. General flame characterization, flame visualization by sodium chloride, temperature measurements, combustion products analysis, nitric oxide concentrations, and laser anemometer studies are considered. The results are discussed relative to sodium chloride visualization, temperature distributions, chemical composition of flames, nitric oxide distributions, and velocity distributions. It is shown that unconfined propane-air flames can be stabilized downstream of a NASA contra-swirl can under a wide range of airflow rates and fuel-air ratios. However, on increasing fuel input from the lowest at which flames can be stabilized, a compact recirculation zone-stabilized flame is formed. The effect of confinement on changes in flame shape and structure is determined.
Keywords:
INORGANIC AND PHYSICAL CHEMISTRY
Type:
ASME PAPER 78-GT-163
,
American Society of Mechanical Engineers, Gas Turbine Conference and Products Show; Apr 09, 1978 - Apr 13, 1978; London
Format:
text
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