A thermoelectric power generating heat exchanger: Part I – Experimental realization

Rasmus Bjørk; Ali Sarhadi; Nini Pryds; N.  Lindeburg; P.  Viereck

doi:10.1016/j.enconman.2016.04.042

A thermoelectric power generating heat exchanger: Part I – Experimental realization

Rasmus Bjørk, Ali Sarhadi, Nini Pryds, N. Lindeburg, P. Viereck

Department of Energy Conversion and Storage

Peltpower ApS

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Abstract

An experimental realization of a heat exchanger with commercial thermoelectric generators (TEGs) is presented. The power producing capabilities as a function of flow rate and temperature span are characterized for two different commercial heat transfer fluids and for three different thermal interface materials.The device is shown to produce 2W per TEG or 0.22W cm^-2 at a fluid temperature difference of175 °C and a flow rate per fluid channel of 5 L min^-1. One experimentally realized design produced200W in total from 100 TEGs. For the design considered here, the power production is shown to depend more critically on the fluid temperature span than on the fluid flow rate. Finally, the temperature span across the TEG is shown to be 55–75% of the temperature span between the hot and cold fluids. © 2016 Elsevier Ltd. All rights reserved.

Original language	English
Journal	Energy Conversion and Management
Volume	119
Pages (from-to)	473–480
ISSN	0196-8904
DOIs	https://doi.org/10.1016/j.enconman.2016.04.042
Publication status	Published - 2016

Keywords

Thermoelectric
Heat exchanger
Power generation
Heat transfer fluid
Thermal interface

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10.1016/j.enconman.2016.04.042

A thermoelectric power IAccepted author manuscript, 864 KB

https://arxiv.org/abs/1605.02525

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title = "A thermoelectric power generating heat exchanger: Part I – Experimental realization",

abstract = "An experimental realization of a heat exchanger with commercial thermoelectric generators (TEGs) is presented. The power producing capabilities as a function of flow rate and temperature span are characterized for two different commercial heat transfer fluids and for three different thermal interface materials.The device is shown to produce 2W per TEG or 0.22W cm-2 at a fluid temperature difference of175 °C and a flow rate per fluid channel of 5 L min-1. One experimentally realized design produced200W in total from 100 TEGs. For the design considered here, the power production is shown to depend more critically on the fluid temperature span than on the fluid flow rate. Finally, the temperature span across the TEG is shown to be 55–75% of the temperature span between the hot and cold fluids. {\textcopyright} 2016 Elsevier Ltd. All rights reserved.",

keywords = "Thermoelectric, Heat exchanger, Power generation, Heat transfer fluid, Thermal interface",

author = "Rasmus Bj{\o}rk and Ali Sarhadi and Nini Pryds and N. Lindeburg and P. Viereck",

year = "2016",

doi = "10.1016/j.enconman.2016.04.042",

language = "English",

volume = "119",

pages = "473–480",

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T1 - A thermoelectric power generating heat exchanger: Part I – Experimental realization

AU - Bjørk, Rasmus

AU - Sarhadi, Ali

AU - Pryds, Nini

AU - Lindeburg, N.

AU - Viereck, P.

PY - 2016

Y1 - 2016

N2 - An experimental realization of a heat exchanger with commercial thermoelectric generators (TEGs) is presented. The power producing capabilities as a function of flow rate and temperature span are characterized for two different commercial heat transfer fluids and for three different thermal interface materials.The device is shown to produce 2W per TEG or 0.22W cm-2 at a fluid temperature difference of175 °C and a flow rate per fluid channel of 5 L min-1. One experimentally realized design produced200W in total from 100 TEGs. For the design considered here, the power production is shown to depend more critically on the fluid temperature span than on the fluid flow rate. Finally, the temperature span across the TEG is shown to be 55–75% of the temperature span between the hot and cold fluids. © 2016 Elsevier Ltd. All rights reserved.

AB - An experimental realization of a heat exchanger with commercial thermoelectric generators (TEGs) is presented. The power producing capabilities as a function of flow rate and temperature span are characterized for two different commercial heat transfer fluids and for three different thermal interface materials.The device is shown to produce 2W per TEG or 0.22W cm-2 at a fluid temperature difference of175 °C and a flow rate per fluid channel of 5 L min-1. One experimentally realized design produced200W in total from 100 TEGs. For the design considered here, the power production is shown to depend more critically on the fluid temperature span than on the fluid flow rate. Finally, the temperature span across the TEG is shown to be 55–75% of the temperature span between the hot and cold fluids. © 2016 Elsevier Ltd. All rights reserved.

KW - Thermoelectric

KW - Heat exchanger

KW - Power generation

KW - Heat transfer fluid

KW - Thermal interface

U2 - 10.1016/j.enconman.2016.04.042

DO - 10.1016/j.enconman.2016.04.042

M3 - Journal article

SN - 0196-8904

VL - 119

SP - 473

EP - 480

JO - Energy Conversion and Management

JF - Energy Conversion and Management

ER -

A thermoelectric power generating heat exchanger: Part I – Experimental realization

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