Experimental Evaluation of a Low Emissions, Variable Geometry, Small Gas Turbine Combustor

Smith, K. O.; Samii, M.; Mak, H. K.

doi:10.1115/90-gt-085

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1991

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“…Testing in both a rig environment and in an engine demonstrated the ultra-low NOx capability of the combustor at full engine load and over a wide load range through the use of variable geometry in the combustor design. These results have been reported earlier (Smith, et al, 1989 and1990).…”

Section: Introductionsupporting

confidence: 91%

Development of a Natural Gas-Fired, Ultra-Low NOx Can Combustor for an 800 KW Gas Turbine

Smith¹,

Holsapple²,

Mak

et al. 1991

Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations

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The experimental results from the rig testing of an ultra-low NOx, natural gas-fired combustor for an 800 to 1000 kw gas turbine are presented. The combustor employed lean-premixed combustion to reduce NOx emissions and variable geometry to extend the range over which low emissions were obtained. Testing was conducted using natural gas and methanol. Testing at combustor pressures up to 6 atmospheres showed that ultra-low NOx emissions could be achieved from full load down to approximately 70% load through the combination of lean-premixed combustion and variable primary zone airflow.

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Section: Introductionsupporting

confidence: 91%