Celine Garnier
Computational study of an integrated collector storage solar water heater.
Garnier, Celine; Currie, John; Muneer, Tariq; Girard, Aymeric
Authors
Prof John Currie J.Currie@napier.ac.uk
Emeritus Professor
Prof Tariq Muneer T.Muneer@napier.ac.uk
Emeritus Professor
Aymeric Girard
Abstract
A simple low cost integrated collector storage solar water heater (ICS-SWH) which has the potential to substantially reduce domestic energy use was proposed for simulation. The
system takes the form of a rectangular-shape incorporating the solar collector and storage tank into a single unit. The incorporation of extended surface fins are a good way of enhancing the construction for an inexpensive SWH and to achieve an increase in efficiency of the system. The thermal performance of the systems is critically dependant on the convective heat transfer coefficient occurring on the waterside of the inclined absorber plate and fins. A Computational Fluid Dynamic (CFD) study was undertaken to model flow and heat transfer in the three-dimensional (3D) SWH geometry. A first analysis was undertaken for a four fins collector designed at Napier University, Scotland, in order to improve its performance. The 3D CFD analysis allowed the optimisation of fin spacing to improve the ICS-SWH performance to create a new ICS-SWH design. Global water temperature in the collector was found to increase without impeding the flow between the fins. A minor decrease in temperature gradient was observed but stratification remained.
Citation
Garnier, C., Currie, J., Muneer, T., & Girard, A. (2008, October). Computational study of an integrated collector storage solar water heater. Presented at EUROSUN 2008 - INTERNATIONAL CONFERENCE ON SOLAR HEATING, COOLING AND BUILDINGS
Conference Name | EUROSUN 2008 - INTERNATIONAL CONFERENCE ON SOLAR HEATING, COOLING AND BUILDINGS |
---|---|
Start Date | Oct 7, 2008 |
End Date | Oct 10, 2008 |
Publication Date | 2008 |
Deposit Date | May 10, 2012 |
Publicly Available Date | May 10, 2012 |
Peer Reviewed | Peer Reviewed |
Keywords | CFD Modelling; Solar Energy; |
Public URL | http://researchrepository.napier.ac.uk/id/eprint/5264 |
Publisher URL | http://shop.ises.org/bookshop/pages/displayBook.xsp?id=220 |
Contract Date | May 10, 2012 |
Files
EuroSun2008-CFD_optimisation.pdf
(704 Kb)
PDF
Publisher Licence URL
http://creativecommons.org/licenses/by-nc/4.0/
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