| 基于温差电效应回收发动机废气余热的研究 |
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| 引用本文： | 文华,刘昌,姚元鹏,古云蛟.基于温差电效应回收发动机废气余热的研究[J].南昌大学学报(工科版),2011,33(1):45-48. |
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| 作者姓名： | 文华 刘昌 姚元鹏 古云蛟 |
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| 作者单位： | 南昌大学机电工程学院,江西南昌,330031 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 通过理论分析、数值模拟与实验方法对基于温差电效应的发动机废气余热回收系统进行了系统的研究。用所搭建的单片温差发电器件（TEG）实验平台,对选用的TEG性能进行了测试实验。设计了用于发动机废气余热回收的热电系统单元,并对其性能进行了测试实验研究。根据CFD软件计算的发动机排气管流动与传热特性结果,分析了该热电回收系统在某发动机整个排气管上应用的收益情况,结果表明：在发动机标定工况下,总输出功率提高2.9%,燃油消耗率降低2.8%。
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| 关 键 词： | 温差电效应 废气 余热回收 发动机 |
Study on Heat Recovery From Engine Exhaust Based on Thermoelectric Effect |
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| WEN Hua,LIU Chang,YAO Yuan-peng,GU Yun-jiao.Study on Heat Recovery From Engine Exhaust Based on Thermoelectric Effect[J].Journal of Nanchang University(Engineering & Technology Edition),2011,33(1):45-48. |
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| Authors: | WEN Hua LIU Chang YAO Yuan-peng GU Yun-jiao |
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| Affiliation: | WEN Hua,LIU Chang,YAO Yuan-peng,GU Yun-jiao (School of Mechanical and Electrical Engineering,Nanchang University,Nanchang 330031,China) |
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| Abstract: | Heat recovery system from engine exhaust,based on thermoelectric effect,was systemic studied through combining theoretical analysis and numerical simulation with experiments.The selected thermoelectric generator(TEG)was researched on conducting experimental platform,and obtain its working performance.A exhaust heat recovery system unit was designed with above TEG,and its output performance was tested.According to flow and heat transfer characteristics in exhaust pipe analyzed by CFD software,the benefit fro... |
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| Keywords: | thermoelectric effect exhaust heat recovery engine |
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