STUDY OF THE FIXED AND CONCENTRATED TYPE REVERSE FLAT PLATE SOLAR COLLECTOR (1ST REPORT, ANALYSIS ON THE SHAPE OF FIXED REFLECTOR).

Kotaro Tanaka, Tadashi Umehara, Koichi Watanabe

Research output: Contribution to journalArticle

Abstract

The reverse flat plate solar collector proposed in this study consists of a fixed reflector and an absorber plate installed upside down. It has a higher collective performance than the ordinary flat plate collector for high temperature applications, due to the possible reduction of natural convection heat losses from the absorber plate. In the present paper, three-dimensional geometrical analysis of the optimum shape of the fixed reflector has been conducted on parabolic and partially circular cross-sections of the reflectors. The average concentrated energy flux has been calculated aided by the evaluated solar radiation distribution from the sky, and the geometrical collective performance is discussed.

Original languageEnglish
Pages (from-to)463-470
Number of pages8
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume52
Issue number473
Publication statusPublished - 1986 Jan
Externally publishedYes

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solar collectors
High temperature applications
Solar collectors
flat plates
Solar radiation
Heat losses
Natural convection
reflectors
Fluxes
absorbers
solar radiation
free convection
radiation distribution
accumulators
sky
heat
cross sections
energy

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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AU - Umehara, Tadashi

AU - Watanabe, Koichi

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