Degradation model for an extruded polymeric solar thermal absorber

被引：13

作者：

Olivares, A. ^{[1
]}

Rekstad, J. ^{[2
]}

Meir, M. ^{[2
]}

Kahlen, S. ^{[3
]}

Wallner, G. ^{[4
]}

机构：

[1] Univ Tecn Federico Santa Maria, Dept Mech, Valparaiso, Chile

[2] Univ Oslo, Dept Phys, N-0316 Oslo, Norway

[3] Polymer Competence Ctr Leoben GmbH, A-8700 Leoben, Austria

[4] Univ Leoben, A-8700 Leoben, Austria

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2010年 / 94卷 / 06期

关键词：

Absorber; Polymer; Indentation test; Thermal degradation; Solar collector;

D O I：

10.1016/j.solmat.2010.02.001

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：

A mechanical test is used to characterize the ageing process of a polymeric solar absorber as a consequence of exposure to high temperature. Specimens from the polymeric absorber sheet were exposed to different temperature and time conditions. Specimens were then tested using mechanical indentation to evaluate the damage level produced. Based on these measurements, this work proposes a model to predict degradation of the polymeric solar absorber during their service life. Model predictions are compared with results from a polymeric absorber exposed to outdoor conditions during two years. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：1031 / 1037

页数：7

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