NDLI: Low no subx heavy fuel combustor concept program. phase 1a: coal gas addendum

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Low no subx heavy fuel combustor concept program. phase 1a: coal gas addendum

Content Provider	NASA Technical Reports Server (NTRS)
Author	Rosfjord, T. Sederquist, R.
Copyright Year	1982
Description	The performance and emissions from a rich-lean combustor fired on simulated coal gas fuels were investigated using a 12.7-cm diameter axially-staged burner originally designed for operation with high heating value liquid fuels. A simple, tubular fuel injector was substituted for the liquid fuel nozzle; no other combustor modifications were made. Four test fuels were studied including three chemically bound nitrogen-free gas mixtures with higher heating values of 88, 227, and 308 kj/mol (103, 258 and 349 Btu/scf), and a 227 kj/mol (258 Btu/scf) heating value doped with ammonia to produce a fuel nitrogen content of 0.5% (wt). Stable, ultra-low nitrogen oxide, smoke-free combustion was attained for the nitrogen-free fuels. Results with the doped fuel indicated that less than 5% conversion of NH3 to nitrogen oxide levels below Environmental Protection Agency limits could be achieved. In some instances, excessive CO levels were encountered. It is shown that use of a burner design employing a less fuel-rich primary zone than that found optimum for liquid fuels would yield more acceptable CO emissions.
File Size	3576703
Page Count	52
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19820010816
Archival Resource Key	ark:/13960/t4zh1g149
Language	English
Publisher Date	1982-01-01
Access Restriction	Open
Subject Keyword	Energy Production And Conversion Fuel Combustion Gas Turbines Energy Technology Exhaust Gases Combustion Products Nitrogen Oxides Synthetic Fuels Carbon Monoxide Combustion Chambers Coal Derived Gases Gas Mixtures Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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