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Generic Airplane and Aero-Engine Simulation Procedures for Exhaust Emission Studies

[+] Author Affiliations
Savad A. Shakariyants, Jos P. van Buijtenen

Delft University of Technology, Delft, The Netherlands

Wilfried P. J. Visser

Micro Turbine Technology MTT, Nuenen, The Netherlands

Alexander Tarasov

Moscow State Aviation Institute, Moscow, Russia

Paper No. GT2007-27943, pp. 163-175; 13 pages
doi:10.1115/GT2007-27943
From:
  • ASME Turbo Expo 2007: Power for Land, Sea, and Air
  • Volume 1: Turbo Expo 2007
  • Montreal, Canada, May 14–17, 2007
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-4790-X | eISBN: 0-7918-3796-3
  • Copyright © 2007 by ASME

abstract

The paper presents generic simulation procedures for air-planes and aero-engines to support in-flight exhaust emission studies. They take a detailed account of the vehicle aerodynamics and performance as well as engine performance during typical flight missions. The procedures are coupled via lookup tables containing engine data for standard thrust settings. The models and their applicability to emission analysis were tested in a case study for a long-haul airliner with two large turbofans. The Boeing Method 2 fuel flow methodology [1] was selected as a test pollutants model. CO2 and H2 O were found by directly linking them to the fuel flow via constant emission indexes. The case study first proved the accuracy of the airplane and engine models by matching available validation data. Secondly, it demonstrated the possibilities of evaluating exhaust emissions at different segments of a flight mission. Both emission profiles and the cumulative environmental footprint of the mission were estimated. The paper concludes by applying the models for the analysis of engine exhaust under varying flight conditions and engine deterioration. This can be used as a tool for optimizing operational procedures for emission reduction and assessing the environmental performance of an aging fleet.

Copyright © 2007 by ASME

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