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Table · dataset · 2017

Data for Design and commissioning of a virtual image solar simulator for testing thermal collectors

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A solar simulator has been designed and built for testing prototype (0.5×0.5 m) flat plate thermal collectors.

Description

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.

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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.<br><br>This code runs in Matlab r2017a.

Typically a script file will either produce a single figure or is designed to be run in sections, producing one graph after another. The function files are almost always called by script files.

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Catalogue records · 1

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Inferred from text
Electrical engineering 73% · Image 75% · Simulation 75%
Provenance · 1 source records, 20 field assertions
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figshareoai:figshare.com:article/337410889 d agoJSON v1
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