Lookup NU author(s): Dr Yiji Lu,
Dr Yaodong Wang,
Dr Liwei Wang,
Professor Tony Roskilly
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For power generation systems, the expansion machine is one of the most crucial components. In this work, a scroll expander test rig has been constructed and tested to simulate the performance in a resorption cogeneration under similar working conditions. The relationship between the inlet pressure and the volume flow rate has been experimentally achieved and the volume ratio is around 2.80 under the tested conditions. A minimum start state to generate electricity from the scroll expander has been investigated, which is at least 145kPa. The isentropic efficiency of the scroll expander is around 0.6. Meanwhile the electrical efficiency achieved by this system is around 0.35 and 0.40 under the supply pressure at 238.0 kPa and 333.5 kPa, respectively. (C) 2015 The Authors. Published by Elsevier Ltd.
Author(s): Lu YJ, Wang YD, Wang LW, Yuan Y, Liu Z, Roskilly AP
Publication type: Article
Publication status: Published
Journal: Energy Procedia
Online publication date: 28/08/2015
Acceptance date: 01/01/1900
ISSN (print): 1876-6102
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