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International Journal of Turbo & Jet-Engines

Ed. by Sherbaum, Valery / Erenburg, Vladimir

IMPACT FACTOR 2018: 0.863

CiteScore 2018: 0.66

SCImago Journal Rank (SJR) 2018: 0.211
Source Normalized Impact per Paper (SNIP) 2018: 0.625

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Volume 36, Issue 2


Predicting Lean Blowout and Emissions of Aircraft Engine Combustion Chamber Based on CRN

Yinli Xiao
  • Corresponding author
  • School of Engine and Energy, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, People’s Republic of China
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/ Zhengxin Lai
  • School of Engine and Energy, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, People’s Republic of China
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/ Zupeng Wang
  • School of Engine and Energy, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, People’s Republic of China
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/ Kefei Chen
  • School of Engine and Energy, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, People’s Republic of China
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Published Online: 2018-03-01 | DOI: https://doi.org/10.1515/tjj-2017-0063


To predict the pollutant emissions and lean blowout, chemical reactor network (CRN) model is applied to the modern aircraft engine combustion chamber. In this study, the CRN which represent the major features of aerodynamics and combustion in the combustion chamber is set up based on the OpenFOAM simulation results. The boundary and the initial conditions used for the CRN derive from the operating modes of typical aircraft engine cycle. A 21 species 30 steps chemical mechanism of kerosene is employed in the CRN method. The levels of pollutant emissions are obtained under four ICAO engine power settings of idle, approach climb and take off. The lean blowout equivalent ratio is evaluated at the idle power setting. The results will be helpful to predict the aircraft engine exhaust emissions and lean blowout (LBO).

Keywords: combustion chamber; emissions; chemical reactor network; lean blowout; OpenFOAM

PACS: Classification (82.33.Vx)


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About the article

Received: 2017-12-18

Accepted: 2018-02-01

Published Online: 2018-03-01

Published in Print: 2019-05-27

Citation Information: International Journal of Turbo & Jet-Engines, Volume 36, Issue 2, Pages 147–156, ISSN (Online) 2191-0332, ISSN (Print) 0334-0082, DOI: https://doi.org/10.1515/tjj-2017-0063.

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