Experimental Study in a Swirl-Stabilized Combustor with and Without Spray Combustion

Details Experimental Study in a Swirl-Stabilized Combustor with and Without Spray Combustion Experimental Study in a Swirl-Stabilized Combustor with and Without Spray Combustion

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phdt........53g&link_type=abstract

Thesis (PH.D.)--UNIVERSITY OF ILLINOIS AT CHICAGO, 1992.Source: Dissertation Abstracts International, Volume: 53-08, Section: B,

Other

Gas Turbine

Scientific paper

To investigate the combustion characteristics and structure of hollow-cone spray flames similar to those occurring in the primary zone of gas turbine combustion chambers, a swirl-stabilized combustor and a water-cooled stainless-steel gas sampling probe were designed. A kerosene spray was generated by a simplex atomizer with a nominal angle of 30 degrees. Swirling air with swirl number of 1.5 was produced from an air swirl plate. Video imaging and photography were employed to document the flame stability and its structure with changes in both design and operating conditions. A Phase Doppler Particle Analyzer (PDPA) was used to measure the drop size, mean and rms values of axial drop velocity and other relevant parameters with and without combustion. Air and fuel flow rates and other conditions were kept identical for reacting and non-reacting cases to investigate effects of combustion alone on the spray. A thermocouple was used to measure the average uncorrected temperature in this turbulent spray flame. A gas chromatograph was also employed to measure the gaseous species concentrations such as hydrogen, oxygen, nitrogen, carbon monoxide, methane, and carbon dioxide in this combustor.

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