Studies on the Development of Farm Power from Solar Energy (IV) Development of the Electronically Controlled Expander

Kenji IMOU; Osamu KITANI; Tsuguo OKAMOTO

doi:10.11357/jsam1937.52.5_3

JOURNAL of the JAPANESE SOCIETY of AGRICULTURAL MACHINERY

Online ISSN : 1884-6025
Print ISSN : 0285-2543
ISSN-L : 0285-2543

Studies on the Development of Farm Power from Solar Energy (IV)

Development of the Electronically Controlled Expander

Kenji IMOU, Osamu KITANI, Tsuguo OKAMOTO

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Keywords: energy, solar heat, solar energy, Rankine cycle

JOURNAL FREE ACCESS

1990 Volume 52 Issue 5 Pages 3-10

DOI https://doi.org/10.11357/jsam1937.52.5_3

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Abstract

An electronically controlled expander was fabricated and tested. It is used for a power output unit of a solar thermal engine which operates on Rankine cycle. The expander is reciprocal and oil free. The valve timings are controlled to match with the pressure of working fluid and the load. In this paper, the theoretical studies on efficiency characteristics of the reciprocal expander and the experimental results of the electronically controlled expander are reported.

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