Numerical investigation of upstream fuel injection through porous media for scramjet engines via surrogate-assisted evolutionary algorithms

H. Ogawa, B. Capra, P. Lorrain

研究成果: 著書/レポートタイプへの貢献会議での発言

1 引用 (Scopus)

抄録

A multi-objective design optimization study has been conducted for upstream fuel injection through porous media applied to the first ramp of a two-dimensional scramjet intake. The optimization has been performed by coupling evolutionary algorithms assisted by surrogate modeling and computational fluid dynamics with respect to three design criteria, that is, the maximization of the mixing efficiency, total pressure saving, and fuel penetration. A distinct Pareto optimal front has been obtained, highlighting the counteracting behavior of the total pressure against fuel penetration, while the mixing performance crucially depends on the fuel/air equivalence ratio, as suggested by an additional optimization using the absolute mixing quantity. The Darcian and Forchheimer coefficients in the porous flow direction have been identified as the key design parameters in conjunction with the geometric parameters as a result of a sensitivity analysis. Flowfield visualization has revealed the presence of local hot pockets with intensely high pressure and temperature offered by a long injector positioned upstream due to augmented shock interactions.

元の言語英語
ホスト出版物のタイトル53rd AIAA Aerospace Sciences Meeting
出版者American Institute of Aeronautics and Astronautics Inc, AIAA
ISBN(印刷物)9781624103438
DOI
出版物ステータス出版済み - 1 1 2015
外部発表Yes
イベント53rd AIAA Aerospace Sciences Meeting, 2015 - Kissimmee, 米国
継続期間: 1 5 20151 9 2015

出版物シリーズ

名前53rd AIAA Aerospace Sciences Meeting

その他

その他53rd AIAA Aerospace Sciences Meeting, 2015
米国
Kissimmee
期間1/5/151/9/15

Fingerprint

Fuel injection
Evolutionary algorithms
Porous materials
Engines
Sensitivity analysis
Computational fluid dynamics
Visualization
Air
Temperature

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

これを引用

Ogawa, H., Capra, B., & Lorrain, P. (2015). Numerical investigation of upstream fuel injection through porous media for scramjet engines via surrogate-assisted evolutionary algorithms. : 53rd AIAA Aerospace Sciences Meeting [AIAA 2015-0884] (53rd AIAA Aerospace Sciences Meeting). American Institute of Aeronautics and Astronautics Inc, AIAA. https://doi.org/10.2514/6.2015-0884

Numerical investigation of upstream fuel injection through porous media for scramjet engines via surrogate-assisted evolutionary algorithms. / Ogawa, H.; Capra, B.; Lorrain, P.

53rd AIAA Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics Inc, AIAA, 2015. AIAA 2015-0884 (53rd AIAA Aerospace Sciences Meeting).

研究成果: 著書/レポートタイプへの貢献会議での発言

Ogawa, H, Capra, B & Lorrain, P 2015, Numerical investigation of upstream fuel injection through porous media for scramjet engines via surrogate-assisted evolutionary algorithms. : 53rd AIAA Aerospace Sciences Meeting., AIAA 2015-0884, 53rd AIAA Aerospace Sciences Meeting, American Institute of Aeronautics and Astronautics Inc, AIAA, 53rd AIAA Aerospace Sciences Meeting, 2015, Kissimmee, 米国, 1/5/15. https://doi.org/10.2514/6.2015-0884
Ogawa H, Capra B, Lorrain P. Numerical investigation of upstream fuel injection through porous media for scramjet engines via surrogate-assisted evolutionary algorithms. : 53rd AIAA Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics Inc, AIAA. 2015. AIAA 2015-0884. (53rd AIAA Aerospace Sciences Meeting). https://doi.org/10.2514/6.2015-0884
Ogawa, H. ; Capra, B. ; Lorrain, P. / Numerical investigation of upstream fuel injection through porous media for scramjet engines via surrogate-assisted evolutionary algorithms. 53rd AIAA Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics Inc, AIAA, 2015. (53rd AIAA Aerospace Sciences Meeting).
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