Effects of injection strategies on thermal performance of a novel micro planar combustor fueled by hydrogen

被引：32
作者：
Zuo, Wei [1 ,3 ,4 ]
Zhao, Hongshuo [1 ,3 ,4 ]
Jiaqiang, E. [2 ]
Li, Qingqing [1 ,3 ,4 ]
Li, Dexin [1 ,3 ,4 ]
Yang, Di [1 ]
Zhao, Yuyang [1 ]
机构：
[1] Wuhan Univ Sci & Technol, State Key Lab Refractories & Met, Wuhan 430081, Peoples R China
[2] Hunan Univ, Coll Mech & Vehicle Engn, Changsha 410082, Peoples R China
[3] Wuhan Univ Sci & Technol, Natl Prov Joint Engn Res Ctr High Temp Mat & Lini, Wuhan 430081, Peoples R China
[4] Wuhan Univ Sci & Technol, Key Lab Ferrous Met & Resources Utilizat, Minist Educ, Wuhan 430081, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2022年 / 47卷 / 14期
基金：
中国国家自然科学基金;
关键词：
Injection strategy; Micro planar combustor; Thermal performance; Hydrogen; ENTROPY GENERATION ANALYSIS; NUMERICAL INVESTIGATIONS; HEAT-TRANSFER; CYLINDRICAL COMBUSTOR; PREMIXED COMBUSTION; RECTANGULAR RIB; FLAME; CHANNEL; ENERGY; EFFICIENCY;
D O I：
10.1016/j.ijhydene.2021.12.206
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
As a high and uniform wall temperature is desired for thermophotovoltaic applications, a novel micro planar combustor with multi inlets and outlets is designed in this work. Effects of injection strategies on thermal performance of the novel micro planar combustor fueled by hydrogen are analyzed and discussed. It is found that there are two straight flames under Injection Strategy A (Coflow mode), while there are two curved flames under Injection Strategy B and C (Counterflow mode), which is negative to the flame stabilization. In addition, the flame interactions under Injection Strategy B and C are much stronger than that under Injection Strategy A which benefits flame stabilization. Moreover, favorable and unfavorable effects of flame interactions under Injection Strategy B and C on flame stabilization are analyzed. Furthermore, the effects of inlet velocity, hydrogen/air equivalence ratio and solid wall materials on the thermal performance of the micro planar combustor are numerically examined under different injection strategies, the application conditions of the injection strategies are determined. This work will provide us significant suggestions for micro-thermophotovoltaic applications. (c) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：9018 / 9029
页数：12
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