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Article . 2025
License: CC BY NC
Data sources: ZENODO
ZENODO
Article . 2025
License: CC BY NC
Data sources: Datacite
ZENODO
Article . 2025
License: CC BY NC
Data sources: Datacite
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Numerical Investigation of Thermal Performances of an Evacuated Tube Solar Collector

Authors: Wesam Mohamed T. Elamri; Salem Alabd Mohamed;

Numerical Investigation of Thermal Performances of an Evacuated Tube Solar Collector

Abstract

This research designs a solar evacuated tube collector (ETC) arrangement to meet the low intensity thermal energy requirement. The structure's number of parallel tubes is chosen based on the necessary mass flow rate and pressure drop. The number of arrangements can be coupled in series to get a higher goal temperature. Ten tubes make up the evacuated tube setup used in our investigation. Borosilicate glass makes up the outside tube, while copper plated in black makes up the inside tube. There is a vacuum in the area between the inner and outer tubes. The tilt angles at which the solar radiation strikes the setup are 𝜷=𝝋+πŸπŸ“α΅’, 𝜷=𝝋 and 𝜷=π‹βˆ’πŸπŸ“α΅’, Maximum solar radiation measured at 𝜷=𝝋+πŸπŸ“α΅’ is 6.15 MJ/m2, while in the same month, it is 3.83 MJ/m2 at 𝜷=π‹βˆ’πŸπŸ“ and 4.12 MJ/m2 at 𝜷=𝝋. It is also possible to calculate the maximum useable energy accounting for thermal losses at different times of the year. The maximum values are observed to be the 6.56 kJ/s in the summer (May -June – July), 4.58 kJ/s in the rainy season from the first of September to November, and 3.35 kJ/s in the December.

Keywords

solar radiation, global solar radiation, heat removal factor, Tilt angles, evacuated tube collector

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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