Thermomagnetic conversion of low-grade waste heat into electrical power

Abstract : A theoretical study relying on the thermal modelling of a Curie wheel, used for the conversion of low-grade waste heat into electrical power, is presented in this paper. It allows understanding the thermal behaviour of a Curie wheel operating in steady state in order to optimise its design. To this end, a stationary one-dimensional analytical thermal model, based on a Lagrangian approach, was developed. It allows determining the local distribution over time of the temperature in the magnetocaloric material exposed to a periodic sinusoidal heat source. Thanks to this model, the effects of different parameters (nature of the magnetocaloric material, nature and temperature of the fluid) were highlighted and studied.
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https://hal.univ-lorraine.fr/hal-02441127
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Submitted on : Wednesday, January 15, 2020 - 3:57:39 PM
Last modification on : Thursday, January 16, 2020 - 1:38:52 AM

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G. El Achkar, A. Dianoux, A. Kheiri, D. Maillet, T. Mazet, et al.. Thermomagnetic conversion of low-grade waste heat into electrical power. Journal of Physics: Conference Series, IOP Publishing, 2016, 745, pp.032037. ⟨10.1088/1742-6596/745/3/032037⟩. ⟨hal-02441127⟩

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