Approach to designing a solar concentrator for small-scale remote power application

Khaled Metwally, Ahmed Makhlouf, Lamyaa El-Gabry

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


A small-scale concentrated solar power (CSP) unit was designed to provide electricity and hot water using an organic Rankine cycle (ORC) for Egypt as part of an undergraduate capstone project. The system was designed for a target power output of 3 kW. It uses parabolic troughs to heat ethylene glycol used as the heat transfer fluid, which absorbs heat in the trough collector and transfers it to the working fluid through a heat exchanger. The system consists of 9 parabolic troughs and a total aperture area of 67 m 2, providing the required 3 kW of energy to the ORC. One parabolic trough was manufactured to test its thermal efficiency according to ASHRAE standard 93-2003 [Methods of Testing to Determine the Thermal Performance of Solar Collectors (ASHRAE, Inc., 1791 Tullie Circle, NE, Atlanta, GA 30329, 2003)] and compared it to its calculated value. A simple microcontroller-based system was used to track the sun.

Original languageEnglish (US)
Article number063114
JournalJournal of Renewable and Sustainable Energy
Issue number6
StatePublished - Nov 1 2011

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment


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