Three types of 12-orifice mixing cruciform sampling probes, i.e. the sampling orifices with or without stub pipes and arranged in spiral form or on three radii, and one single orifice traversing probe were used to investigate the sampling representativeness in the measurement of gas turbine emissions. The results obtained in the experiment show that the distribution of carbon monoxide, CO, and smoke number, S.N., may have certain relations with the distribution of fuel and air in the combustor, and the three types of probes mentioned, the angular position of the cruciform probe and the manner of extracting sample off the mixing probe can make a deviation of less than 1 S.N. for smoke and about 5% for carbon monoxide.
- International Gas Turbine Institute
Investigation of the Sampling Representativeness With Different Probes in a Gas Turbine Combustor
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Shou-Sheng, W, Hua-Fang, W, & Li, L. "Investigation of the Sampling Representativeness With Different Probes in a Gas Turbine Combustor." Proceedings of the ASME 1985 International Gas Turbine Conference and Exhibit. Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations. Houston, Texas, USA. March 18–21, 1985. V002T06A015. ASME. https://doi.org/10.1115/85-GT-41
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