Approximate analysis of the economic advantage of a dual source ORC system over two single ORC systems in the conversion of dual low and mid grade heat energy to electricity.

Aneke, Mathew, Agnew, Brian and Underwood, Chris (2011) Approximate analysis of the economic advantage of a dual source ORC system over two single ORC systems in the conversion of dual low and mid grade heat energy to electricity. Journal of EUEC, 5. pp. 2-17. ISSN 1941-9848

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Abstract

An approximate economic analysis reported in this paper shows that in a novel dual source ORC system where a low-grade heat source is used to preheat and vapourise the working fluid and mid-grade heat source is used to provide the superheating, the payback period is very much smaller than when the two heat sources are used separately to drive a single ORC system. The simulation results shows that on the same waste heat basis, the size of the heat exchangers and the quantity of working fluid used for the dual source ORC is smaller than the cumulative heat exchangers size and refrigerant quantity used for the two single ORC systems.

Item Type: Article
Uncontrolled Keywords: Organic Rankine Cycle (ORC), Dual heat source, mid-grade, low-grade, economic
Subjects: H300 Mechanical Engineering
Department: Faculties > Engineering and Environment > Architecture and Built Environment
Related URLs:
Depositing User: Chris Underwood
Date Deposited: 15 Mar 2012 14:27
Last Modified: 10 Aug 2015 11:18
URI: http://nrl.northumbria.ac.uk/id/eprint/5781

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