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Title: Fabrication and characterisation of slim flat vacuum panels suitable for solar applications
Authors: Arya, Farid
Hyde, Trevor
Henshall, Paul
Eames, Philip C.
Moss, Roger
Shire, Stan
Issue Date: 2015
Publisher: © 2015. The Authors. Published by International Solar Energy Society
Citation: ARYA, F. ... et al., 2015. Fabrication and Characterisation of Slim Flat Vacuum Panels Suitable for Solar Applications. IN: EuroSun : International Conference on Solar Energy and Buildings, Aix-Les-Bains, France, 16 – 19 Sept.
Abstract: The concept of providing an evacuated space between two planar surfaces and exploiting its thermal properties was initially proposed in 1913 for window applications in buildings (Zoller, 1913). Since then a number of designs for the fabrication of evacuated windows have been proposed investigating sealing methods for the periphery of the glass panes and methods of maintaining the separation of the glass panes under the influence of atmospheric pressure (Collins et al., 1995). Evacuated windows have also been used in solar applications by creating a vacuum (less than 0.01mbar) around a solar absorber to reduce the convective heat losses resulting in higher efficiencies. Maintaining the vacuum pressure over the life time of the panel is challenging. This is largely dependent on the materials used in the fabrication process. Forming a durable hermetic seal around the periphery of the vacuum enclosure is particularly crucial. In this work prototypes of flat vacuum panels with solar applications are fabricated and tested. Indium is used as a sealing material to create a hermetic seal around the periphery the panel. A heat transmission of 0.86 Wm-2 K-1 in the centre of the vacuum panel has been achieved for a 0.4m by 0.4m panel.
Description: This is a conference paper.
Sponsor: The support from the UK Engineering and Physical Sciences Research Council (EPSRC) through EP/K010107/1 is gratefully acknowledged.
Version: Published
DOI: 10.18086/eurosun.2014.16.02
URI: https://dspace.lboro.ac.uk/2134/19239
Publisher Link: http://dx.doi.org/10.18086/eurosun.2014.16.02
Appears in Collections:Conference Papers and Presentations (Mechanical, Electrical and Manufacturing Engineering)

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