Technology Assessment on Low-Temperature Waste Heat Recovery in Industry

Thekdi, Arvind; Nimbalkar, Sachin; Sundaramoorthy, Senthil; Armstrong, Kristina; Taylor, A.; Gritton, Jack; Wenning, Thomas; Cresko, Joe

doi:10.2172/1819547

Cited by 13 publications

(14 citation statements)

References 18 publications

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“…Thermoelectric power generation (TEG) is arguably the most developed, and is based on the Seebeck effect -the generation of a voltage across 25 a material by a temperature difference. Studies have concluded that the optimal deployment of TEGs is not currently in the low-grade heat environments targeted by the materials studied here [6,7].…”

Section: Energy Harvesting and Pyromagnetic Heat Enginesmentioning

confidence: 96%

Hard ferromagnets as a new perspective on materials for thermomagnetic power generation cycles

et al. 2023

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Section: Energy Harvesting and Pyromagnetic Heat Enginesmentioning

confidence: 96%

Hard ferromagnets as a new perspective on materials for thermomagnetic power generation cycles

et al. 2023

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“…Thermoelectric power generation (TEG) is arguably the most developed, and is based on the Seebeck effect -the generation of a voltage across a material by a temperature difference. Studies have concluded that the optimal deployment of TEGs is not currently in the low-grade heat environments targeted by the materials studied here [6,7].…”

Section: Energy Harvesting and Pyromagnetic Heat Enginesmentioning

confidence: 96%

Hard Ferromagnets as a New Perspective on Materials for Thermomagnetic Power Generation Cycles

Tantillo,

Barcza,

Zellmann

et al. 2023

Preprint

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We consider the ways in which magnetically hard materials can be used as the working materials in thermomagnetic power generation (TMG) cycles in order to expand the area in the magnetisation vs. applied field (M − H) plane available for energy conversion. There are 3 parts to this Perspective. First, experiments on commercially available hard ferrites reveal that, while these materials are not yet good TMG candidates, hard ferromagnets with higher thermal conductivity and a greater change of magnetization with temperature could outperform existing TMG materials. Second, computational results indicate that biasing a soft magnet with a hard ferromagnet is essentially equivalent to shifting the M − H loop by an amount proportional to the field of the biasing magnet. Work outputs under biased conditions show a substantial improvement over unbiased cycles, but experimental verification is needed. Third, we discuss the rationale for exploring artificial spin reorientation materials as novel TMG working materials.

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“…Fig. 3 shows the recent waste heat temperature classification (Thekdi and Armstrong, 2021;Vance et al, 2019) whereby the provided definitions for low and ultralow temperature levels are:…”

Section: Literature Reviewmentioning

confidence: 99%

“…The practical form of the waste heat (i.e., as hot gases, fluids, solids; radiation, etc.) is also important as detailed by Thekdi and Armstrong (2021) due to the diverse sources of low temperature waste heat in manufacturing industries. Sources of low temperature waste heat and related industries can be considered in a Sankey-like diagram shown in Fig.…”

Section: Literature Reviewmentioning

confidence: 99%

“…4 (flows are only indicative due to lack of data), providing a useful future format to visualise quantified waste heat streams for individual industries and sector groups. According to Thekdi and Armstrong (2021), low temperature waste heat from exhaust gases is often recognised and exploited but waste heat carried by hot fluids and hot solids tend to be neglected.…”

Section: Literature Reviewmentioning

confidence: 99%

See 1 more Smart Citation

Decarbonisation of heat: Analysis of the potential of low temperature waste heat in UK industries

Muhumuza

Eames

2022

Journal of Cleaner Production

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Technology Assessment on Low-Temperature Waste Heat Recovery in Industry

Cited by 13 publications

References 18 publications

Hard ferromagnets as a new perspective on materials for thermomagnetic power generation cycles

Hard ferromagnets as a new perspective on materials for thermomagnetic power generation cycles

Hard Ferromagnets as a New Perspective on Materials for Thermomagnetic Power Generation Cycles

Decarbonisation of heat: Analysis of the potential of low temperature waste heat in UK industries

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