Melting and solidification characteristics of a mixture of two types of latent heat storage material in a vessel

JikSu Yu, Akihiko Horibe, Naoto Haruki, Akito Machida, Masashi Kato

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In this study, we investigated the fundamental melting and solidification characteristics of mannitol, erythritol, and their mixture (70 % by mass mannitol: 30 % by mass erythritol) as potential phase-change materials (PCMs) for latent heat thermal energy storage systems, specifically those pertaining to industrial waste heat, having temperatures in the range of 100–250 °C. The melting point of erythritol and mannitol, the melting peak temperature of their mixture, and latent heat were measured using differential scanning calorimetry. The thermal performance of the mannitol mixture was determined during melting and solidification processes, using a heat storage vessel with a pipe heat exchanger. Our results indicated phase-change (fusion) temperatures of 160 °C for mannitol and 113 and 150 °C for the mannitol mixture. Nondimensional correlation equations of the average heat transfer during the solidification process, as well as the temperature and velocity efficiencies of flowing silicon oil in the pipe and the phase-change material (PCM), were derived using several nondimensional parameters.

Original languageEnglish
Pages (from-to)1-12
Number of pages12
JournalHeat and Mass Transfer/Waerme- und Stoffuebertragung
DOIs
Publication statusAccepted/In press - Jan 30 2016

Fingerprint

mannitol
heat storage
Heat storage
Latent heat
latent heat
Mannitol
solidification
vessels
Solidification
Melting
melting
Erythritol
Phase change materials
phase change materials
Pipe
Temperature
Industrial wastes
Waste heat
Thermal energy
Energy storage

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Fluid Flow and Transfer Processes

Cite this

Melting and solidification characteristics of a mixture of two types of latent heat storage material in a vessel. / Yu, JikSu; Horibe, Akihiko; Haruki, Naoto; Machida, Akito; Kato, Masashi.

In: Heat and Mass Transfer/Waerme- und Stoffuebertragung, 30.01.2016, p. 1-12.

Research output: Contribution to journalArticle

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