Experimental Study on the Operational Characteristics and Coupling Relationships of Burners, Heat Exchangers, and Reformers in a Kerosene Solid Oxide Fuel Cell

作     者：Liu, Yechang Ning, Zhi Wang, Lintao Zheng, Xuan Sun, Chunhua Wei, Yongqi Lv, Ming 

作者机构：School of Mechanical Electronic and Control Engineering Beijing Jiaotong University Beijing100044 China Shanghai Marine Diesel Engine Research Institute Shanghai201108 China Electric Drive System Department of BAIC Research Institute Co. Ltd Beijing China 

出 版 物：《SSRN》 

年 卷 期：2024年

核心收录：

主　　题：Methane 

摘      要：The burner, heat exchanger, and reformer are pivotal components of the solid oxide fuel cell (SOFC) power generation system, and their operational characteristics have a direct impact on the system s ability to achieve efficient and stable power output. This study has established an experimental platform for a kerosene SOFC system to investigate the operational characteristics and coupling relationships of the burner, heat exchanger, and reformer. The research findings indicate that the burner operates stably with an excess air ratio of 39.4, but experiences frequent extinguishing when the methane flow rate falls below 4 SLM. Reducing both methane and water flow rates leads to a more significant temperature decrease in the burner and combined heat exchanger compared to reducing methane flow alone. Increasing the kerosene flow rate by 15% causes a 2.5% change in the outlet temperature of the burner, a 2.15% change in the air heat exchanger s exhaust gas input temperature, and a 1.47% change in the flue gas inlet and outlet pressure drop. However, due to the presence of the heater, there is no significant variation in the input and exit temperatures of the reformer. By elevating the reformer temperature and steam-to-carbon ratio, it is possible to bring the hydrogen volume fraction after kerosene reforming closer to that after methane reforming, and even lower than that after methane reforming. The electric heater serves as a means of thermal compensation, mitigating the intricate coupling effects among the reformer, burner, and heat exchanger. © 2024, The Authors. All rights reserved.