Energy, exergy, environmental sustainability and economic analyses for automotive thermoelectric generator system with various configurations

被引：28

作者：

Garud, Kunal Sandip ^{[1
]}

Seo, Jae-Hyeong ^{[1
]}

Bang, You-Ma ^{[2
]}

Pyo, Young-Dug ^{[2
]}

Cho, Chong-Pyo ^{[2
]}

Lee, Moo-Yeon ^{[1
]}

Lee, Dong-Yeon ^{[3
]}

机构：

[1] Dong A Univ, Dept Mech Engn, 37 Nakdong Daero 550, Busan 49315, South Korea

[2] Korea Inst Energy Res, Energy Saving Technol Lab, 152 Gajeong Ro, Daejeon 34129, South Korea

[3] Yeungnam Univ, Dept Robot & Intelligent Machine, 280 Daehak Ro, Gyongsan 38541, Gyeongbuk, South Korea

来源：

ENERGY | 2022年 / 244卷

基金：

新加坡国家研究基金会;

关键词：

Carbon credit; CO; 2; emission; Energy; Exergy; Levelized cost of energy; Thermoelectric generator system; HIGH-TEMPERATURE EXHAUST; WASTE HEAT; PERFORMANCE ANALYSIS; DESIGN OPTIMIZATION; POWER-GENERATION; LEG GEOMETRY; 2-STAGE; EXCHANGER; VEHICLE; MODULES;

D O I：

10.1016/j.energy.2021.122587

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The objective of the present study is to evaluate the characteristics of energy and exergy performances, environmental sustainability, and economic aspect for three configurations namely, single stage, two stage and segmented thermoelectric generator systems. The experimental study is conducted on single stage thermoelectric generator system to evaluate the energy and exergy performances under various temperature and mass flow rate conditions of working fluids. The Multiphysics coupled numerical approach is proposed for the detail comparison which is validated with experimental results within +/- 10% error. The two stage parallel thermoelectric generator system with Skutterudite + Bismuth Telluride presents superior energy and exergy performances, higher environmental sustainability and lower economic. The maximum values of power, energy efficiency, exergy efficiency, net energy efficiency and net exergy efficiency of two stage parallel thermoelectric generator system with Skutterudite + Bismuth Telluride show 220.17 W, 25.42%, 42.01%, 15.38% and 23.36%, respectively. The same configuration shows minimum CO2 emission of 0.0717 g/W, maximum net CO2 mitigation of 43.41 tones, maximum carbon credit of 1078.6 $, minimum levelized cost of energy of 0.0196 $/kWh and minimum energy payback time of 4 months 1 day.

引用

页数：20

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