Multiscale modeling and performance analysis of evacuated tube collectors for solar water heaters using diffuse flat reflector

Dia Milani and Ali Abbas

Renewable Energy, 2016, vol. 86, issue C, 360-374

Abstract: Using evacuated tube collectors (ETCs) in solar water heaters (SWHs) may endure deficiencies (i.e. in winter season) in collecting the necessary thermal energy for water heating. This is because of the cylindrical shape of evacuated tubes which makes the upper circumference of the cylinder is directly exposed to sunrays, while the lower circumference usually misses the beam and also most of the diffuse irradiance.

Keywords: Solar thermal collector; Diffuse radiation; Beam radiation; Tilt angle; Azimuth angle; Heat transfer (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:86:y:2016:i:c:p:360-374

DOI: 10.1016/j.renene.2015.08.013

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