A case study on compatibility of automotive exhaust thermoelectric generation system, catalytic converter and muffler

被引：52
|
作者：
Liu, X. [1 ]
Deng, Y. D. [1 ]
Chen, S. [1 ]
Wang, W. S. [1 ]
Xu, Y. [1 ]
Su, C. Q. [1 ]
机构：
[1] Wuhan Univ Technol, Automobile Engn Inst, Hubei Key Lab Adv Technol Automot Components, 205 Luoshi Rd, Wuhan 430070, Hubei, Peoples R China
来源：
CASE STUDIES IN THERMAL ENGINEERING | 2014年 / 2卷 / 02期
关键词：
Automotive exhaust heat; Back pressure; Heat exchanger; Catalytic converter; Bench test;
D O I：
10.1016/j.csite.2014.01.002
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The power generation of an exhaust TEG (thermoelectric generator) depends on hear energy and thermoelectric conversion efficiency. However, there are compatibility problems among TEG, CC (catalytic converter) and muf (muffler). The present work tried to vary the installation position of TEG and propose three different cases. Case 1: TEG is located at the end of the exhaust system; case 2: TEG is located between CC and ma; case 3: TEG is located upstream of CC and muf. Simulation and experiment were developed to compare thermal uniformity and pressure drop characteristics over the three operating cases. From the simulation and experiment, heat exchanger in case 2 obtained more uniform flow distribution, higher surface temperature and lower back pressure than in other cases. At the same time, the CC and muf could keep normal working in case 2, providing a theoretical and experimental basis for the exhaust gas waste heat recovery system. (C) 2014 The Authors. Published by Elsevier Ltd. Open access under CC BY-NC-ND license
引用
收藏
页码：62 / 66
页数：5
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