Energy characterization and optimization of new heat recovery configurations in hybrid PVT systems
File(s)
Published version
Author(s)
Herrando, Mara
Guarracino, Ilaria
del Amo, Alejandro
Zabalza, Ignacio
Markides, Christos N
Type
Conference Paper
Abstract
The main goal of this research is to design and assess a new heat recovery (absorber-exchanger) configuration for a hybrid PVT solar panel with a geometry and from a material that maximises heat transfer while reducing weight and cost. To this end, firstly, potential configurations and materials for the absorber-exchanger unit that have the potential to meet the aforementioned aim are considered. The selected configurations (plus a benchmark reference case) are then applied to the same PVT panel in order to compare their performance. Once these configurations are defined in detail, they are modelled in 3-D finite-element and multiphysics (FEM and CFD) software, specifically COMSOL. The objectives are to: i) maximize the heat transfer performance of the different absorber-exchanger configurations, ii) obtain characteristic curves that describe the steady-state performance of the PVT panel in each case, and iii) compare the different alternatives with the reference case. The results show that a polymeric flat-box configuration is a promising alternative to commercial PVT panels, being able to achieve an improvement in the thermal performance of the PVT unit compared to the reference case (up to 5.1% higher optical efficiency and up to 48.7% lower heat loss coefficient), while also lowering the weight (up to 12%) and investment costs (up to 22%) of the PVT panel.
Editor(s)
Martinez, V
Gonzalez, J
Date Issued
2017-01-01
Date Acceptance
2016-10-01
Citation
Proceedings of the EuroSun 2016: International Conference on Solar Energy and Buildings, 2017, pp.1228-1239
Publisher
International Solar Energy Society
Start Page
1228
End Page
1239
Journal / Book Title
Proceedings of the EuroSun 2016: International Conference on Solar Energy and Buildings
Copyright Statement
© 2016. The Authors. Published by International Solar Energy Society.
Identifier
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000426895100124&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
Source
EuroSun 2016: International Conference on Solar Energy and Buildings
Subjects
absorber-exchanger unit
Construction & Building Technology
Energy & Fuels
energy efficiency
energy modelling
GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY
heat transfer
hybrid PVT panel
MODEL
PERFORMANCE EVALUATION
PHOTOVOLTAIC-THERMAL COLLECTOR
Science & Technology
Science & Technology - Other Topics
SHEET
SIMULATION
SOLAR-SYSTEM
Technology
VALIDATION
WATER
YIELD
Publication Status
Published
Start Date
2016-10-11
Finish Date
2016-10-14
Coverage Spatial
Palma, Spain