4.6 Article

Thermo-mechanical analysis of copper-encapsulated NaNO3-KNO3

Journal

CHEMICAL ENGINEERING RESEARCH & DESIGN
Volume 93, Issue -, Pages 224-231

Publisher

ELSEVIER
DOI: 10.1016/j.cherd.2014.07.007

Keywords

Copper-encapsulation; Nitrate salts; Simulation; Phase change material; Thermal energy storage; Comsol Multiphysics

Funding

  1. Center for the Innovation in Energy of UAI
  2. European Commission [282932]
  3. [CONICYT/FONDAP/15110019]
  4. [CONICYT/FONDECYT/1120490]

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The present paper presents a numerical study to investigate and assess the heat transfer behavior of a copper and salt composite. A mixture of nitrates, KNO3-NaNO3, within a deformable spherical shell coating of copper will be used as an encapsulated phase change material, E-PCM. In the context of a thermo-mechanical analysis of this E-PCM, a simulation is proposed to determine its storage capacity and properties The melting, or solidification of the encapsulated PCM particles do not provoke cracking of the deformable shell. (C) 2014 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

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