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Applied Thermal Engi...arrow_drop_down

Applied Thermal Engineering

Article . 2014 . Peer-reviewed

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Applied Thermal Engineering

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Impact of phase change materials types and positioning on hot water tank thermal performance: Using measured water demand profile

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jun 2014Publisher:Elsevier BVJournal:Applied Thermal Engineering, volume 67, pages 460-468 (issn: 1359-4311,

Authors: Fariborz Haghighat; Pierre-Edouard Vouillamoz; Alain Moreau; Mohamed El-Mankibi; Dan Nchelatebe Nkwetta; Ahmed Daoud;

doi: 10.1016/j.applthermaleng.2014.03.051

Impact of phase change materials types and positioning on hot water tank thermal performance: Using measured water demand profile

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Abstract

Abstract This paper addresses a numerical investigation of the performance of a domestic hot water tank (HWT) integrated with phase change materials (PCM). The predictions made by three TRNSYS types were compared and the most appropriate one was selected as reference model. Then, the existing TRNSYS model for HWT with PCM was validated with the available data. The validated model was then used to investigate the impact of PCM type, its amount and its location within the tank on the system performance using the three real hot water withdrawal profiles; low, medium and high. An improvement in energy storage resulted from the combined use of PCM and sensible heat in a HWT with sodium acetate trihydrate +10% graphite showing the highest storage potential with reduce charging time compared to an industrial grade granulated paraffin wax and RT58-Rubitherm.

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Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	82
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 1%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%