Quantitative feasibility study of magnetocaloric energy conversion utilizing industrial waste heat

D. Vuarnoz, A. Kitanovski, C. Gonin, Y. Borgeaud, M. Delessert, M. Meinen and P.W. Egolf

Applied Energy, 2012, vol. 100, issue C, 229-237

Abstract: The main objective of this theoretical study was to investigate under which conditions a magnetic energy conversion device (MECD) – utilizing industrial waste heat – is economically feasible. Furthermore, it was evaluated if magnetic energy conversion (MCE) has the potential of being a serious concurrent to already existing conventional energy conversion technologies. Up-today the availability of magnetocaloric materials with a high Curie temperature and a high magnetocaloric effect is rather limited. Therefore, this study was mainly focused on applications with heat sources of low to medium temperature levels. Magnetic energy conversion machines, containing permanent magnets, are numerically investigated for operation conditions with different temperature levels, defined by industrial waste heat sources and environmental heat sinks, different magnetic field intensities and different frequencies of operation (number of thermodynamic cycles per unit of time).

Keywords: Magnetocaloric energy conversion; Waste heat; Exergy; Thermodynamic efficiency (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:100:y:2012:i:c:p:229-237

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DOI: 10.1016/j.apenergy.2012.04.051

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