Testing of Low-grade Heat Source Organic Rankine Cycle with Small Hot Vapor Reciprocating Engine

Conference proceedings article

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Publication Details

Author list: Darawun W., Songprakorp R., Monyakul V., Thepa S.

Publisher: Elsevier

Publication year: 2015

Volume number: 79

Start page: 335

End page: 340

Number of pages: 6

ISSN: 1876-6102

eISSN: 1876-6102

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84971015106&doi=10.1016%2fj.egypro.2015.11.497&partnerID=40&md5=57e99daf63e5c9d653264225270053c8

Languages: English-Great Britain (EN-GB)

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Abstract

Investigating for recovering low-grade heat source (<100oC) by the expansion process of the small hot vapor reciprocating engine has never been studied yet. This research focuses on that one and the organic rankine cycle has been designed for the electric power generation not over 500 W. The organic substance as R-123 has conducted for working fluid of operating the system. Testing of organic rankine cycle has been achieved with the pressure of working fluid not exceeding 7 bars. The results show that the optimal maximum of electric power generation indicates at 5 bars, 270 rpm and 221 W. The tendency of testing organic rankine cycle compared between R-123 and compressed ambient air is agreeable. ฉ 2015 Published by Elsevier Ltd.

Keywords

low-grade heat source, Small Hot Vapor Reciprocating Engine