Numerically assisted analysis of flat and corrugated plate solar collectors thermal performances

Dović, Damir and Andrassy, Mladen (2012) Numerically assisted analysis of flat and corrugated plate solar collectors thermal performances. = Numerically assisted analysis of flat and corrugated plate solar collectors thermal performances. Solar Energy, 86 (9). pp. 2416-2431. ISSN 0038-092X. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. Kvartili JCR: Q2 (2012). Točan broj autora: 2.

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Abstract

The paper presents the results of experimentally supported numerical analysis performed in order to investigate the possibilities to improve the thermal efficiency of plate solar collectors. Different numerical models were developed in order to asses the influence of design and operating parameters such as bond conductance between absorber plate and tube, tube diameter, glass cover to absorber plate distance, optical properties of absorber and flow rate on thermal efficiency of collectors. Following the results, two designs of collector without tubes, with parallel flat and corrugated absorber plates of chevron type, is further considered and shown to be an effective way to increase the thermal efficiency of solar energy conversion beyond that of commercial glazed and unglazed solar water heaters. Based on the results, the guidelines for design of a new collector prototype consisting of chevron type corrugated plates normally used in plate heat exchangers are provided. © 2012 Elsevier Ltd.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): Absorber plates; Chevron plates; Corrugated plate; Glass covers; Operating parameters; Plate heat exchangers; Thermal efficiency; Thermal Performance; Tube diameters; Design; Energy conversion; Numerical analysis; Numerical models; Optical properties; Tubes (components); Solar collectors; absorption; design; mathematical analysis; numerical model; performance assessment; solar power; temperature effect; Equus asinus
Subjects: TECHNICAL SCIENCE
Divisions: 300 Department of Thermodynamics, Thermal and Process Engineering > 320 Chair of Thermal and Process Engineering
Indexed in Web of Science: Yes
Indexed in Current Contents: Yes
Quartiles: Q2 (2012)
Date Deposited: 29 Apr 2015 10:59
Last Modified: 08 Feb 2017 07:25
URI: http://repozitorij.fsb.hr/id/eprint/3935

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