Clarification and model development for the interaction mechanism of solid fuels and gaseous fuels during the mixing-combustion

2021 Fiscal Year Final Research Report

• Project/Area Number: 19H02073
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Review Section: Basic Section 19020:Thermal engineering-related
• Research Institution: Hokkaido University
• Principal Investigator: Hashimoto Nozomu 北海道大学, 工学研究院, 准教授 (70392751)
• Co-Investigator(Kenkyū-buntansha): 藤田 修 北海道大学, 工学研究院, 教授 (10183930) ; 武藤 昌也 名城大学, 理工学部, 准教授 (30466445)
• Project Period (FY): 2019-04-01 – 2022-03-31
• Keywords: 固体燃料 / エネルギーキャリア / 燃焼 / 直接数値シミュレーション / 混焼モデル / アンモニア / レーザ誘起化学蛍光法

Outline of Final Research Achievements

In this study, the detailed flame structure and the interaction between the gaseous fuel and the solid particle cloud for the co-combustion field of the gaseous fuel and the solid particle cloud were clarified. For the co-combustion of gaseous fuel / solid particle cloud, it was clarified that there are two interaction effects, namely, (1) the heat absorption effect of solid particles, and (2) the equivalence ratio increase effect by the evolution of volatile matter from solid particles, in the pre-heat zone of the flame. The outcome of this study is expected to contribute for the introduction of carbon-free energy carrier gas and operation of various high temperature processes using solid fuel.

Free Research Field

燃焼工学

Academic Significance and Societal Importance of the Research Achievements

本研究では，ガス燃料と固体燃料粒子群の混焼場における火炎伝播現象について，その詳細な火炎構造およびガス燃料と固体粒子群の相互作用について明らかにした．本研究による研究成果は，今後導入が進むと考えられるCO2フリーのエネルギーキャリアガスの固体燃料を扱う様々な高温プロセスへの導入およびその後の運用に役立てられることが期待される．