NDLI: Application of mixing-controlled combustion models to gas turbine combustors

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Application of mixing-controlled combustion models to gas turbine combustors

Content Provider	NASA Technical Reports Server (NTRS)
Author	Nguyen, Hung Lee
Copyright Year	1990
Description	Gas emissions were studied from a staged Rich Burn/Quick-Quench Mix/Lean Burn combustor were studied under test conditions encountered in High Speed Research engines. The combustor was modeled at conditions corresponding to different engine power settings, and the effect of primary dilution airflow split on emissions, flow field, flame size and shape, and combustion intensity, as well as mixing, was investigated. A mathematical model was developed from a two-equation model of turbulence, a quasi-global kinetics mechanism for the oxidation of propane, and the Zeldovich mechanism for nitric oxide formation. A mixing-controlled combustion model was used to account for turbulent mixing effects on the chemical reaction rate. This model assumes that the chemical reaction rate is much faster than the turbulent mixing rate.
File Size	5497967
Page Count	13
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19910012813
Archival Resource Key	ark:/13960/t48q0xg3h
Language	English
Publisher Date	1990-01-01
Access Restriction	Open
Subject Keyword	Aircraft Propulsion And Power Nasa Programs Turbulence Combustion Products Chemical Reactions Turbulent Mixing Combustion Physics Air Flow Flames Gas Turbines Nitric Oxide Exhaust Gases Reaction Kinetics Flow Distribution Oxidation Mathematical Models Combustion Chambers Exhaust Emission Propane Burning Rate Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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