Ojo, Saheed Olalekan and Paggi, Marco A thermo-visco-elastic shear-lag model for the prediction of residual stresses in photovoltaic modules after lamination. Composite Structures, 136. 481 - 492. ISSN 0263-8223 (2016)
Full text not available from this repository.Abstract
Abstract The distribution of residual thermo-elastic stresses in encapsulated solar cells arising from lamination is relevant for the characterization of the long term performance of photovoltaic (PV) modules during service. Accurate modelling of the structural response of the laminate in the transient regime during cooling after lamination is a challenging task from the computational point of view. In this work we propose a semi-analytic model based on the Kirchhoff plate theory and the shear-lag approach for the treatment of the polymeric encapsulant layers and accounting for their time and temperature dependency according to a rheological model derived from fractional calculus considerations. Spatially uniform and non-uniform temperature distributions are compared to accurately assess the amount of the residual compressive stresses raised in the Silicon cells after lamination. The use of more realistic non-uniform temperature distributions leads to lower residual compressive stresses in Silicon as compared to the uniform case.
| Item Type: | Article |
|---|---|
| Identification Number: | 10.1016/j.compstruct.2015.10.023 |
| Uncontrolled Keywords: | Photovoltaics; Residual stresses; Laminates; Shear-lag theory; Thermo-visco-elasticity; Polymeric encapsulant |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Research Area: | Computer Science and Applications |
| Depositing User: | Caterina Tangheroni |
| Date Deposited: | 04 Apr 2016 09:07 |
| Last Modified: | 04 Apr 2016 09:07 |
| URI: | http://eprints.imtlucca.it/id/eprint/3350 |
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