@inproceedings{e6a028ca415e4c22bed7c89b73c4f289,
title = "Simplified Reaction Mechanism for CFD Simulation of Rocket Re-Entry",
abstract = "The chemical environment and flow characteristics during rocket re-entry are highly complex. To improve the computational efficiency of CFD simulations, a simplified reaction mechanism for the rocket re-entry CFD has been developed. Based on the Principal Component Analysis (PCA), the detailed reaction mechanism was simplified, resulting in a mechanism comprising 25 species and 34 reactions. Then the NSGA-III optimization framework was used to optimize the s25r34 mechanism. Comparison of simplified and detailed mechanisms shows that the ignition delay error of the simplified mechanism does not exceed 25\%. And the temporal variation trends of three key species remain consistent with the detailed mechanism in both numerical values and trends. The errors introduced during the simplification and optimization processes are within an acceptable range. This simplified reaction mechanism can significantly improve computational efficiency while maintaining reasonable accuracy, serving a reference for CFD simulations of the rocket re-entry process.",
keywords = "CFD, Combustion, Mechanism Simplification, Methane, Rocket re-entry",
author = "Weiran Li and Sihan Di and Nanjia Yu",
note = "Publisher Copyright: {\textcopyright} 2025, Avestia Publishing. All rights reserved.; 10th World Congress on Momentum, Heat and Mass Transfer, MHMT 2025 ; Conference date: 08-04-2025 Through 10-04-2025",
year = "2025",
doi = "10.11159/csp25.118",
language = "英语",
isbn = "9781990800511",
series = "Proceedings of the World Congress on Momentum, Heat and Mass Transfer",
publisher = "Avestia Publishing",
editor = "Lixin Cheng and Karayiannis, \{Tassos G.\} and Sohel Murshed",
booktitle = "Proceedings of the 10th World Congress on Momentum, Heat and Mass Transfer, MHMT 2025",
address = "加拿大",
}