Graduate Thesis Or Dissertation
 

NOx emissions for a gas turbine as a function of fuel-bound nitrogen and other variables

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/7d278x138

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  • Emissions of oxides of nitrogen from a small (15 kW) turbine generator burning high fuel bound nitrogen fuels were measured by a chemiluminescence method. Kerosene was used as the base fuel and pyridine was added to achieve different fuel bound nitrogen levels. Mixtures of 0.0%, 0.5%, and 1.0% (by weight) of nitrogen were tested. Combustion chamber temperatures were measured with a shielded type K thermocouple inserted through the combustor can. The NOx values found were slightly lower than other studies using similar combustors. However, this can be attributed to lower combustion temperatures and to differences in fuels and combustor inlet conditions. When the NOx values were plotted against temperature they were found to fit a straight line plot quite well. This is in agreement with other subscale combustor test results. The production rate of NOx versus fuel bound nitrogen content was found to be less dependent on nitrogen content at higher temperatures than at lower values. The overall rate of production of NOx was still higher at the higher temperatures.
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