Performance tests of an evacuated flat plate solar collector under a virtual image solar simulator

dc.contributor.author	Moss, Roger	en
dc.contributor.author	Shire, Stan	en
dc.contributor.author	Henshall, Paul	en
dc.contributor.author	Eames, Philip	en
dc.contributor.author	Arya, Farid	en
dc.contributor.author	Hyde, Trevor	en
dc.date.accessioned	2017-08-28T07:07:54Z
dc.date.available	2017-08-28T07:07:54Z
dc.date.issued	2016	en
dc.description	papers presented to the 12th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Costa de Sol, Spain on 11-13 July 2016.	en
dc.description.abstract	An evacuated flat plate collector has been built and tested in a solar simulator. A vacuum of <0.1 Pa was used to eliminate heat losses through convection and gas conduction. CFD and stress calculations for the hydro-formed panels determined the material thickness and through-hole sizes. The simulator used a reflecting tube to generate uniform illumination via multiple virtual images of four halogen floodlights. Tests with and without vacuum over a range of illumination powers demonstrate the efficiency benefits of vacuum insulation when providing heat at elevated temperatures or with weak insolation.	en
dc.format.extent	6 pages	en
dc.format.medium	PDF	en
dc.identifier.uri	http://hdl.handle.net/2263/61927
dc.language.iso	en	en
dc.publisher	HEFAT	en
dc.rights	University of Pretoria	en
dc.subject	Evacuated flat plate solar collector	en
dc.subject	Virtual image solar simulator	en
dc.title	Performance tests of an evacuated flat plate solar collector under a virtual image solar simulator	en
dc.type	Presentation	en

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