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Experiment on thermal uniformity and pressure drop of exhaust heat exchanger for automotive thermoelectric generator

Author

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  • Lu, Hongliang
  • Wu, Ting
  • Bai, Shengqiang
  • Xu, Kangcong
  • Huang, Yingjie
  • Gao, Weimin
  • Yin, Xianglin
  • Chen, Lidong

Abstract

The power generation of exhaust TEG (thermoelectric generator) depends on heat energy and thermoelectric conversion efficiency. High efficiency heat exchanger is necessary to increase the amount of heat energy extracted from exhaust gas. On one hand, heat transfer is coupled with pressure drop for typical heat exchanger; on the other hand, the muffler unavoidably leads exhaust to large pressure drop for noise reduction. The present work tried to conceptually combine exhaust heat exchanger with muffler in the form of 1-inlet 2-outlet, 2-inlet 2-outlet and the baseline empty cavity. A test bench was developed to compare thermal uniformity and pressure drop characteristics over multiple vehicle operating conditions. 1-Inlet 2-outlet increased hydraulic disturbance and enhanced heat transfer, resulting in the more uniform flow distribution and higher surface temperature than the other. However, the averaged surface temperature was less than 100 °C, significantly limiting thermoelectric conversion efficiency. The pressure drops of 1-inlet 2-outlet, 2-inlet 2-outlet were 165%, 318% more than that of empty cavity when inlet temperature was 100 °C and mass flow rate was 131 kg/h, and were 319%, 523% more than that of empty cavity when inlet temperature 400 °C and mass flow rate 156 kg/h.

Suggested Citation

  • Lu, Hongliang & Wu, Ting & Bai, Shengqiang & Xu, Kangcong & Huang, Yingjie & Gao, Weimin & Yin, Xianglin & Chen, Lidong, 2013. "Experiment on thermal uniformity and pressure drop of exhaust heat exchanger for automotive thermoelectric generator," Energy, Elsevier, vol. 54(C), pages 372-377.
    • Handle: RePEc:eee:energy:v:54:y:2013:i:c:p:372-377
    DOI: 10.1016/j.energy.2013.02.067
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Patil, Dipak S. & Arakerimath, Rachayya R. & Walke, Pramod V., 2018. "Thermoelectric materials and heat exchangers for power generation – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 95(C), pages 1-22.
    2. Shu, Gequn & Ma, Xiaonan & Tian, Hua & Yang, Haoqi & Chen, Tianyu & Li, Xiaoya, 2018. "Configuration optimization of the segmented modules in an exhaust-based thermoelectric generator for engine waste heat recovery," Energy, Elsevier, vol. 160(C), pages 612-624.
    3. Elankovan, R. & Suresh, S. & Karthick, Krishnadass & Hussain, Mohammed Muaaz M.D. & Chandramohan, V.P., 2019. "Evaluation of thermoelectric power generated through waste heat recovery from long ducts and different thermal system configurations," Energy, Elsevier, vol. 185(C), pages 477-491.
    4. Ding, L.C. & Akbarzadeh, A. & Tan, L., 2018. "A review of power generation with thermoelectric system and its alternative with solar ponds," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P1), pages 799-812.
    5. Ma, Ting & Pandit, Jaideep & Ekkad, Srinath V. & Huxtable, Scott T. & Wang, Qiuwang, 2015. "Simulation of thermoelectric-hydraulic performance of a thermoelectric power generator with longitudinal vortex generators," Energy, Elsevier, vol. 84(C), pages 695-703.
    6. He, Wei & Wang, Shixue & Lu, Chi & Zhang, Xing & Li, Yanzhe, 2016. "Influence of different cooling methods on thermoelectric performance of an engine exhaust gas waste heat recovery system," Applied Energy, Elsevier, vol. 162(C), pages 1251-1258.
    7. Chen, Yifeng & Xie, Changjun & Li, Yang & Zhu, WenChao & Xu, Lamei & Gooi, Hoay Beng, 2023. "An improved metaheuristic-based MPPT for centralized thermoelectric generation systems under dynamic temperature conditions," Energy, Elsevier, vol. 277(C).
    8. Li, Siyang & Pei, Jun & Liu, Dawei & Bao, Liangliang & Li, Jing-Feng & Wu, Huaqiang & Li, Liangliang, 2016. "Fabrication and characterization of thermoelectric power generators with segmented legs synthesized by one-step spark plasma sintering," Energy, Elsevier, vol. 113(C), pages 35-43.
    9. He, Wei & Wang, Shixue & Zhang, Xing & Li, Yanzhe & Lu, Chi, 2015. "Optimization design method of thermoelectric generator based on exhaust gas parameters for recovery of engine waste heat," Energy, Elsevier, vol. 91(C), pages 1-9.
    10. Luo, Ding & Sun, Zeyu & Wang, Ruochen, 2022. "Performance investigation of a thermoelectric generator system applied in automobile exhaust waste heat recovery," Energy, Elsevier, vol. 238(PB).
    11. Chen, Hao & Guo, Qi & Yang, Lu & Liu, Shenghua & Xie, Xuliang & Chen, Zhaoyang & Liu, Zengqiang, 2015. "A new six stroke single cylinder diesel engine referring Rankine cycle," Energy, Elsevier, vol. 87(C), pages 336-342.
    12. Meng, Fankai & Chen, Lingen & Sun, Fengrui & Yang, Bo, 2014. "Thermoelectric power generation driven by blast furnace slag flushing water," Energy, Elsevier, vol. 66(C), pages 965-972.
    13. Ma, Ting & Lu, Xing & Pandit, Jaideep & Ekkad, Srinath V. & Huxtable, Scott T. & Deshpande, Samruddhi & Wang, Qiu-wang, 2017. "Numerical study on thermoelectric–hydraulic performance of a thermoelectric power generator with a plate-fin heat exchanger with longitudinal vortex generators," Applied Energy, Elsevier, vol. 185(P2), pages 1343-1354.
    14. Bai, Shengxi & Liu, Chunhua, 2021. "Overview of energy harvesting and emission reduction technologies in hybrid electric vehicles," Renewable and Sustainable Energy Reviews, Elsevier, vol. 147(C).
    15. Wei Niu & Xiaoshan Cao, 2023. "Thermoelectric Field Analysis of Trapezoidal Thermoelectric Generator Based on the Explicit Analytical Solution of Annular Thermoelectric Generator," Energies, MDPI, vol. 16(8), pages 1-12, April.
    16. Wang, Xi & Henshaw, Paul & Ting, David S.-K., 2021. "Exergoeconomic analysis for a thermoelectric generator using mutation particle swarm optimization (M-PSO)," Applied Energy, Elsevier, vol. 294(C).
    17. Song Lv & Zuoqin Qian & Dengyun Hu & Xiaoyuan Li & Wei He, 2020. "A Comprehensive Review of Strategies and Approaches for Enhancing the Performance of Thermoelectric Module," Energies, MDPI, vol. 13(12), pages 1-24, June.
    18. Massaguer, E. & Massaguer, A. & Pujol, T. & Comamala, M. & Montoro, L. & Gonzalez, J.R., 2019. "Fuel economy analysis under a WLTP cycle on a mid-size vehicle equipped with a thermoelectric energy recovery system," Energy, Elsevier, vol. 179(C), pages 306-314.
    19. Miao, Zhuang & Meng, Xiangning & Zhou, Sen & Zhu, Miaoyong, 2020. "Thermo-mechanical analysis on thermoelectric legs arrangement of thermoelectric modules," Renewable Energy, Elsevier, vol. 147(P1), pages 2272-2278.
    20. Georgopoulou, Chariklia A. & Dimopoulos, George G. & Kakalis, Nikolaos M.P., 2016. "A modular dynamic mathematical model of thermoelectric elements for marine applications," Energy, Elsevier, vol. 94(C), pages 13-28.
    21. Twaha, Ssennoga & Zhu, Jie & Yan, Yuying & Li, Bo, 2016. "A comprehensive review of thermoelectric technology: Materials, applications, modelling and performance improvement," Renewable and Sustainable Energy Reviews, Elsevier, vol. 65(C), pages 698-726.
    22. Tan, Ming & Deng, Yuan & Hao, Yanming, 2014. "Improved thermoelectric performance of a film device induced by densely columnar Cu electrode," Energy, Elsevier, vol. 70(C), pages 143-148.
    23. Meng, Jing-Hui & Zhang, Xin-Xin & Wang, Xiao-Dong, 2014. "Multi-objective and multi-parameter optimization of a thermoelectric generator module," Energy, Elsevier, vol. 71(C), pages 367-376.
    24. Ding, L.C. & Akbarzadeh, A. & Date, Abhijit, 2016. "Electric power generation via plate type power generation unit from solar pond using thermoelectric cells," Applied Energy, Elsevier, vol. 183(C), pages 61-76.
    25. Zhao, Yulong & Lu, Mingjie & Li, Yanzhe & Wang, Yulin & Ge, Minghui, 2023. "Numerical investigation of an exhaust thermoelectric generator with a perforated plate," Energy, Elsevier, vol. 263(PB).

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