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|Title: ||Design and commissioning of a virtual image solar simulator for testing thermal collectors|
|Authors: ||Moss, Roger|
Eames, Philip C.
|Issue Date: ||2018|
|Publisher: ||© The Authors. Published by Elsevier|
|Citation: ||MOSS, R. ...et al., 2018. Design and commissioning of a virtual image solar simulator for testing thermal collectors. Solar Energy, 159, pp. 234-242.|
|Abstract: ||© 2017 The Author(s) A solar simulator has been designed and built for testing prototype (0.5 × 0.5 m) flat plate thermal collectors. An internally reflecting light tube generates multiple virtual images of the four halogen floodlights to ensure uniform illumination. Ray-tracing simulations were used to choose the tube dimensions and maximum allowable clearance. Illumination measurements agree well with these predictions. The visible & near IR spectrum appears to follow a black body curve. In the absence of a “cold sky” IR filter there is a secondary, long wavelength IR spectral component that causes heating of the cover glass on a solar flat plate collector. The cover glass temperature can be maintained at typical outdoor levels using a cooling fan. The design would be well suited to LED illumination. Simulation of solar collector response to this spectrum shows that an efficiency based on pyranometer readings is approximately 1% higher than would be obtained with an AM1.5 spectrum.|
|Description: ||This is an Open Access Article. It is published by Elsevier under the Creative Commons Attribution 4.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/|
|Sponsor: ||This collaborative programme between Warwick, Loughborough and Ulster universities was supported by the Engineering and Physical
Sciences Research Council (EPSRC), reference EP/K009915/1, EP/K010107/1 and EP/K009230/1.|
|Publisher Link: ||https://doi.org/10.1016/j.solener.2017.10.044|
|Appears in Collections:||Published Articles (Mechanical, Electrical and Manufacturing Engineering)|
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