Development of a new solar thermal engine system for circulating water for aeration |
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Authors: | Pongsakorn Kerdchang Maung MaungWin Sombat Teekasap Jongjit Hirunlabh Joseph Khedari Belkacem Zeghmati |
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Affiliation: | aBuilding Scientific Research Center, South-East Asia University, Petkasem Rd., Nongkhaem, Bangkok, Thailand;bKing Mongkut’s University of Technology Thonburi, Bangmod, Tungkru, Bangkok 10140, Thailand;cCentre d’Etudes Fondamentales-Groupe de Mécanique Acoustique et Instrumentation, Université de Perpignan, 52 Av.de Paul Alduy, 66860 Perpignan, France |
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Abstract: | This paper presents a numerical study about the performance of a Beta Stirling solar thermal engine system. This system is composed of a solar collector box connected to a regenerator hydraulic system and a transmitting power system. The objective of the system is to offer a new alternative to help solving stagnant water pollution in hot countries like Thailand by circulating water in canals, lakes, ponds etc. for aeration using solar energy.The purpose of this study is to determine the power output and actual heat transfer on the performance of the solar thermal engine. The solar thermal engine is analyzed using a mathematical model based on the first law of thermodynamics for processes with finite speed, with particular attention to the energy balance at the receiver. The result of calculations showed that the regenerator volume and phase angle must be chosen carefully to fulfill the requirement that total fluid mass in the system is constant and to obtain maximum power output throughout the day. |
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Keywords: | Solar collector box Stirling engine Circulating stagnant water |
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