The Control of Oxides of Nitrogen Emissions from Aircraft Gas Turbine Engines. Volume 2. The NOx Formation Process

The objective of the study was to develop criteria for use in the design of aircraft gas turbine combustion chambers to minimize nitrogen oxide emissions. The approach adopted involved the development of a mathematical model of NOx emission from aircraft engine combustors; a parametric analysis, usi...

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Bibliographic Details
Main Authors: Fletcher, Ronald S, Siegel, Richard D
Format: Report
Language:English
Subjects:
AIR POLLUTION
Air Pollution and Control
AIRCRAFT ENGINES
AIRCRAFT EXHAUST
COMBUSTION
Combustion and Ignition
COMPUTER PROGRAMS
CONTROL
EXHAUST GASES
GAS TURBINE REGENERATORS
Jet and Gas Turbine Engines
NITROGEN OXIDE(NO)
NITROGEN OXIDES
REACTION KINETICS
THERMODYNAMICS
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Summary:The objective of the study was to develop criteria for use in the design of aircraft gas turbine combustion chambers to minimize nitrogen oxide emissions. The approach adopted involved the development of a mathematical model of NOx emission from aircraft engine combustors; a parametric analysis, using the model, to determine the sensitivity of NOx emissions to variations of model parameters and engine design variables; evaluation of critical model parameters by means of experimental measurements; and the incorporation of the model into combustor design methods to provide guidelines for minimizing NOx emission while maintaining other performance and emission characteristics. The report describes the nitric oxide formation process and a computer program (NOXRAT) for calculating thermodynamic data. The program is based upon a six- reaction model of NO formation. See also Volume 1, AD741505 and Volume 3, AD741570. Sponsored in part by EPA.