Experimental determination of crystallization kinetic model of CENG-PCM composite material. Validation at macro and meso scales

Jadal, Mariam; Soto, Jérôme; Boyard, Nicolas; Delaunay, Didier

doi:10.1016/j.tsep.2022.101336

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Comparison Of Behavior Laws1

System Efficiency Improvement Factor/energy Ratio Of Improve...1

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2024

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Cited by 2 publications

(2 citation statements)

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“…The dynamics of the phase change (fusion and solidification) must be specified as a function of the temperature. The behavior laws must also show in the case of RT58 a solid-solid transition followed by a solid-liquid transition [25], as well as supercooling for PEG6000. This is possible by identifying either the enthalpy h(T) shown in Figure 3, or the liquid fraction f(T) or the equivalent specific heat Ceff(T).…”

Section: Comparison Of Behavior Lawsmentioning

confidence: 99%

Performance comparison of two PCM candidates for new concept of compact thermal storage in solar DHW systems

Fraisse,

Thonon,

Zalewski

et al. 2024

Journal of Energy Storage

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Section: Comparison Of Behavior Lawsmentioning

confidence: 99%

Performance comparison of two PCM candidates for new concept of compact thermal storage in solar DHW systems

Fraisse,

Thonon,

Zalewski

et al. 2024

Journal of Energy Storage

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“…Slurries of mPCM (nPCM), as clearly demonstrated in experimental studies [59][60][61][62][63][64] and CFD simulations [65][66][67][68][69], are characterized by better effective storage of thermal energy [70][71][72][73] but also by convective heat transfer during the flow of heat-transfer fluid [74][75][76][77][78][79][80][81]. It should be noted, however, that replacing the pure liquid with a slurry with the addition of mPCM improves the heat-transfer coefficient, but it causes an increase in pressure drop.…”

Section: System Efficiency Improvement Factor/energy Ratio Of Improve...mentioning

confidence: 99%

The State of the Art on the Flow Characteristic of an Encapsulated Phase-Change Material Slurry

Dutkowski,

Kruzel

2023

Energies

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The paper chronologically describes the results of research on the flow of micro-encapsulated PCM (mPCM) and nano-encapsulated PCM (nPCM) slurry in heat-transfer systems. The focus is on three thematic groups: mPCM (nPCM) slurry flow pressure drop; the friction factor in the laminar, transient, and turbulent flow of slurry in the channels; and the assessment of the effectiveness of using the mPCM (nPCM) slurry in the context of improving heat-transfer coefficients but with increased pumping power. It was found that the number of publications devoted to the above-mentioned topics is very limited compared to the research on the thermal and rheological properties of the mPCM (nPCM) slurry, which has resulted in the lack of systematized knowledge about the influence of slurry concentration, particle size, materials, etc., for example, on the friction factor. It was found that the use of the mPCM (nPCM) slurry in heat-transfer systems may be proper, provided that an appropriate and sufficiently high flow rate is ensured.

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Experimental determination of crystallization kinetic model of CENG-PCM composite material. Validation at macro and meso scales

Cited by 2 publications

References 37 publications

Performance comparison of two PCM candidates for new concept of compact thermal storage in solar DHW systems

Performance comparison of two PCM candidates for new concept of compact thermal storage in solar DHW systems

The State of the Art on the Flow Characteristic of an Encapsulated Phase-Change Material Slurry

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