Collection of low-grade waste heat for enhanced energy harvesting

被引：29

作者：

Dede, Ercan M. ^{[1
]}

Schmalenberg, Paul ^{[1
]}

Wang, Chi-Ming ^{[1
]}

Zhou, Feng ^{[1
]}

Nomura, Tsuyoshi ^{[2
]}

机构：

[1] Toyota Motor Engn & Mfg North Amer, Toyota Res Inst, Ann Arbor, MI 48105 USA

[2] Toyota Cent Res & Dev Labs Inc, Nagakute, Aichi 4801192, Japan

来源：

AIP ADVANCES | 2016年 / 6卷 / 05期

关键词：

OPTIMIZATION; REALIZATION; SIMULATION;

D O I：

10.1063/1.4950861

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Enhanced energy harvesting through the collection of low-grade waste heat is experimentally demonstrated. A structural optimization technique is exploited in the design of a thermal-composite substrate to guide and gather the heat emanating from multiple sources to a predetermined location. A thermoelectric generator is then applied at the selected focusing region to convert the resulting low-grade waste heat to electrical power. The thermal characteristics of the device are experimentally verified by direct temperature measurements of the system and numerically validated via heat conduction simulations. Electrical performance under natural and forced convection is measured, and in both cases, the device with optimized heat flow control plus energy harvesting demonstrates increased power generation when compared with a baseline waste heat recovery system. Electronics applications include energy scavenging for autonomously powered sensor networks or self-actuated devices. (C) 2016 Author(s).

引用

页数：6

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