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

doi:10.1299/kikaib.52.463

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 journal › Article › peer-review

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 language	English
Pages (from-to)	463-470
Number of pages	8
Journal	Transactions of the Japan Society of Mechanical Engineers Series B
Volume	52
Issue number	473
DOIs	https://doi.org/10.1299/kikaib.52.463
Publication status	Published - 1986
Externally published	Yes

Keywords

Energy Engineering
Solar Collector
Solar Energy
Solar Radiation
Thermal Engineering Equipment

ASJC Scopus subject areas

Condensed Matter Physics
Mechanical Engineering

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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.",

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AU - Umehara, Tadashi

AU - Watanabe, Koichi

PY - 1986

Y1 - 1986

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AB - 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.

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KW - Solar Collector

KW - Solar Energy

KW - Solar Radiation

KW - Thermal Engineering Equipment

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