エンジンの統計熱流体シミュレーション
氏名:内藤健
所属:早稲田大学理工学術院基幹理工学部機械科学・航空学科
目的:従来型と新規原理エンジンの熱効率等の性能の大幅な向上を目指して、実機製作の前にシミュレーションを多用して性能向上を効率的に行う。
内容:エンジン形状・構成・条件について様々な検討をおこない、従来エンジンよりも大幅な熱効率向上案を提示した。
結果:特に、新構造のエンジン(特許権利化済)の検討を行ったところ、ほぼ完全な断熱化と、燃焼騒音レベルを維持したままで高圧縮比化の可能性が見いだせた。
論文掲載,発表実績:
(学術雑誌掲載論文)
- Remi Konagaya, Ken Naitoh, Kohta Tsuru, Yasuo Takagi, Yuji Mihara, “Unsteady three-dimensional computations of the penetration length and mixing process of various single high-speed gas jets for engines”, SAE Technical Paper 2017-01-0817, 2017
- Yamagishi, K, Onuma, S., Ohara, S., Naitoh, K. et al., “Computations and experiments of single-point autoignition gasoline engine with colliding pulsed supermulti-jets, single piston and rotary valve”. SAEpaper 2016-01-2334, 2016.
- Naitoh, K., Tsuchiya, J., Ikoma, D., Nakai, T., et al., “Computations and experiments for clarifying compression level and stability of supermulti-jets colliding pulsated in single-point auto-ignition engine without pistons.” SAEpaper 2016-01-2331, 2016
(国際会議会議録掲載論文)
- Remi Konagaya, Ken Naitoh, Takuma Okamoto, Kohta Tsuru, “Computations of a New Hydrogen-Oxygen Rocket Engine Based on Supermulti-jets Colliding with Pulse”, AIAA Paper 2017-1780, 2017
- Tsuru K. Naitoh K. et al. Computational experiments for improving the performance of Fugine based on supermulti-jets colliding working for a wide range of speeds from startup to hypersonic condition. AIAApaper 2016-4709 (2016)
- Remi Konagaya, Ken Naitoh, Takuma Okamoto, Kohta Tsuru, Yasuo Takagi, Yuji Mihara, “Computation of Turbulent Mixing Process of Single High-Speed Hydrogen Jets”, APISAT 2016, Proceedings of the 2016 Asia-Pacific International Symposium on Aerospace Technology F1-1, Toyama, 2016.10
- Remi Konagaya, Ken Naitoh, Takuma Okamoto, Kohta Tsuru, “Computation of a New Rocket Engine Using a New Compressive Combustion Principle Based on the Supermulti-jets Colliding with Pulse”, Proceedings of the 2016 Asia-Pacific International Symposium on Aerospace Technology C2-3, Toyama, 2016.10
Posted : 2017年03月30日