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Modeling and simulations of a micro solar power system
Date
2014-07-01
Author
Pehlivanturk, Can
Ozkan, Onur
Baker, Derek Keıth
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this paper, the mathematical modeling and simulations of a concentrating solar power system located at the Middle East Technical University Northern Cyprus Campus are presented. The system consists of parabolic trough collectors (PTCs), a propane boiler, an organic Rankine cycle (ORC), and a wet cooling tower. Presently, the PTC field is severely undersized with respect to the ORC making the system impossible to operate without burning significant propane. Expanding the solar field could result in better system performance. Hourly, daily and seasonal variations in the performance of this system are simulated using hourly meteorological data for Larnaca, Cyprus, over an entire year. Because the ORC is driven using a relatively low-temperature heat source rather than PTCs, the usage of nonconcentrating evacuated tube collectors that collect both beam and diffuse radiation is explored. The performance of east-west and north-south-tracking axis PTCs and the entire inventory of nonconcentrating evacuated tube collectors that were rated by the Solar Rating and Certification Corporation are compared in terms of annual performance metrics. Based on the simulations, several nonconcentrating evacuated tube collectors are identified with better thermal performance than PTCs, and the feasibility of using these collectors should be explored further. Copyright (C) 2013 John Wiley & Sons, Ltd.
Subject Keywords
Fuel Technology
,
Renewable Energy, Sustainability and the Environment
,
Energy Engineering and Power Technology
,
Nuclear Energy and Engineering
URI
https://hdl.handle.net/11511/40831
Journal
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
DOI
https://doi.org/10.1002/er.3119
Collections
Department of Mechanical Engineering, Article