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Publication Date
Tue Jan 18 2022
Journal Name
Heat Transfer
Volume
51
DOI
10.1002/htj.22406
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Scopus (17)
Crossref (11)
Articles
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duYIaJwBmraWrQ4dnklp
Effect of receiver geometry on the optical and thermal performance of a parabolic trough collector
channel receiver
optical efficiency
parabolic trough collector
rays distribution
receiver geometry
thermal efficiency
uniformity factor
Mustafa J. Al‐Dulaimi
Karima E. Amori
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Abstract<p>In this study, the optical and thermal performance of a Parabolic Trough Collector PTC system is investigated theoretically. A series of numerical simulations and theoretical analysis has been conducted to investigate the effect of the receiver geometry and location relative to the focal line on its optical performance. The examined receiver geometries are circular, square, triangular, elliptical and a new design of circular‐ square named as channel receiver. The thermal performance of PTC is studied for different flow rates from (0.27 to 0.6 lpm) theoretically. Results showed that the best optical design is the channel receiver with an optical efficiency of 84% while the worst is the elliptical receiver with an optical efficiency of 70%. Thermally the best design is the elliptical receiver with a thermal efficiency of 85% while the worst is the circular receiver with a thermal efficiency of 82%.</p>
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Publication Date
Mon Jan 01 2024
Journal Name
Anais Da Academia Brasileira De Ciências
Morphological study for Accipitrid birds (Accipitridforms, Accipitridae) in Iraq; part two
A part two of Accipitridae Family members that belong to three genera: Circus
Gyps
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HIND D.
KHALIDA I.
AFKAR M.
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