High performance storage composite for the enhancement of solar domestic hot water systems Part 1: Storage material investigation

被引：50

作者：

Haillot, D. ^{[1
,2
]}

Goetz, V. ^{[1
]}

Py, X. ^{[1
]}

Benabdelkarim, M. ^{[2
]}

机构：

[1] Univ Perpignan, CNRS PROMES Proc, Mat & Solar Energy Lab, F-66100 Perpignan, France

[2] Saunier Duval Eau Chaude Chauffage Ind, F-44315 Nantes 03, France

来源：

SOLAR ENERGY | 2011年 / 85卷 / 05期

关键词：

Thermal energy storage; Phase change materials; Solar domestic hot water system; THERMAL-ENERGY STORAGE; PHASE-CHANGE; HEAT-TRANSFER; GRAPHITE;

D O I：

10.1016/j.solener.2011.02.016

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This work aims to evaluate the performance of a solar domestic hot water (SDHW) system including a latent storage material. The originality of our approach consists to place a composite made of compressed expanded natural graphite (CENG) and phase change material (PCM) directly inside a flat plate solar collector in order to replace the traditional copper-based solar absorber. According to this target, the study is composed of two steps: the composites preparation and characterization; and the analysis of the system to achieve optimal integration of the material in the process. The present paper is focused on the selection of the most promising composite to implement in the solar collector. In order to reach this objective, several composites based on CENG and various storage materials (paraffin, stearic acid, sodium acetate trihydrate and pentaglycerin) have been elaborated and characterized. The synthesis of all these measurements allowed us to select three composites whose characteristics match their integration into a solar thermal collector. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1021 / 1027

页数：7

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