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

Bjørk, Rasmus; Sarhadi, Ali; Pryds, Nini; Lindeburg, Niels; Viereck, Peter

doi:10.1016/j.enconman.2016.04.042

Cited by 22 publications

(4 citation statements)

References 22 publications

(25 reference statements)

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“…The maximum net output power was not attainable within the range of the used flow rates. Bjørk et al [95] used fins to enhance the performance of the cooler (water) and heater (oil) channels of a TEG system as well. A small, with 4 or 6 TEG, and a large, with 100 TEG (Figure 22), system were experimentally investigated.…”

Section: Insertsmentioning

confidence: 99%

Water-Cooled Thermoelectric Generators for Improved Net Output Power: A Review

2021

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Thermoelectric generators (TEGs) have the ability to convert waste heat into electrical energy under unfavorable conditions and are becoming increasingly popular in academia, but have not yet achieved a broad commercial success, due to the still comparably low efficiency. To increase the efficiency and economic viability of TEGs, research is performed on the materials on one hand and on the system connection on the other. In the latter case, the net output power of the cooling system plays a key role. At first glance, passive cooling seems preferable to active cooling because it does not affect the net electrical output power. However, as shown in the present review, the active cooling is to be preferred for net output power. The situation is similar in air and water-cooling. Even though air-cooling is easier to set up, the water-cooling should be preferred to achieve higher net output power. It is shown that microchannel cooling has similar hydraulic performance to conventional cooling and inserts increase the net output power of TEG. As the review reveals that active water-cooling should be the method of choice to achieve high net output power, it also shows that a careful optimization is necessary to exploit the potential.

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Section: Insertsmentioning

confidence: 99%

Water-Cooled Thermoelectric Generators for Improved Net Output Power: A Review

2021

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“…Figure 4 shows the curve showing the typical variation of ΔT with applied contact pressure in a TEG with and without interface materials. [29].…”

Section: Assembly Componentsmentioning

confidence: 99%

“…Variation of differential temperatures with contact pressure using different interface materials[29].…”

mentioning

confidence: 99%

Automotive Waste Heat Recovery by Thermoelectric Generator Technology

Sivaprahasam¹,

Harish²,

Gopalan³

et al. 2018

Bringing Thermoelectricity Into Reality

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Automotive exhaust thermoelectric generators (AETEG) are gaining significant importance wherein a direct conversion of exhaust waste heat into electricity allows for a reduction in fuel consumption. Over the past two decades, extensive progress has been made in materials research, modules and thermoelectric generator (TEG) system. Many prototypes using BiTe, CoSb 3 and half Heusler materials have been developed and tested for efficiency in different engines. The role of exhaust flow rate, temperature and heat exchanger type on the performance of AETEG is investigated deeply. This chapter reviews the progress made so far in the AETEG technology. Section 1 gives a brief introduction; section 2 gives a description of the technology and section 3, the construction details of a typical AETEG. The performance evaluation of AETEG is discussed in Section 4, application of TEG using engine coolant heat is discussed in Section 5 and TEGs for hybrid vehicles are described in Section 6. The parasitic losses due to AETEG and the conditioning of the power produced for practical applications using the maximum power point tracking technique are discussed in Sections 7 and 8, respectively. Finally, in Section 9, cost analysis and the challenges associated with the commercialization of AETEG is presented.

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“…The performance of TEGs is among other parameters governed by the size of the reservoirs and the magnitude of the thermal heat transfer at the boundaries [8,[10][11][12]. Studies of TEGs with limited heat transfer have been investigated for various problems such as micro-heat exchangers [13][14][15], air-to-air heat exchangers [16][17][18][19], as well as fluid-based heat exchangers [20][21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Topology Optimization of Segmented Thermoelectric Generators

Lundgaard

Sigmund

Bjørk

2018

Journal of Elec Materi

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

Cited by 22 publications

References 22 publications

Water-Cooled Thermoelectric Generators for Improved Net Output Power: A Review

Water-Cooled Thermoelectric Generators for Improved Net Output Power: A Review

Automotive Waste Heat Recovery by Thermoelectric Generator Technology

Topology Optimization of Segmented Thermoelectric Generators

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