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Modeling and design of a solar thermal system for hybrid cooking application

Prasanna, UR and Umanand, L (2011) Modeling and design of a solar thermal system for hybrid cooking application. In: Applied Energy, 88 (5). pp. 1740-1755.

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Official URL: http://dx.doi.org/10.1016/j.apenergy.2010.11.042

Abstract

This paper proposes a hybrid solar cooking system where the solar energy is brought to the kitchen. The energy source is a combination of the solar thermal energy and the Liquefied Petroleum Gas (LPG) that is in common use in kitchens. The solar thermal energy is transferred to the kitchen by means of a circulating fluid. The transfer of solar heat is a twofold process wherein the energy from the collector is transferred first to an intermediate energy storage buffer and the energy is subsequently transferred from the buffer to the cooking load. There are three parameters that are controlled in order to maximize the energy transfer from the collector to the load viz, the fluid flow rate from collector to buffer, fluid flow rate from buffer to load and the diameter of the pipes. This is a complex multi energy domain system comprising energy flow across several domains such as thermal, electrical and hydraulic. The entire system is modeled using the bond graph approach with seamless integration of the power flow in these domains. A method to estimate different parameters of the practical cooking system is also explained. Design and life cycle costing of the system is also discussed. The modeled system is simulated and the results are validated experimentally. (C) 2010 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Solar cooking;Bond graph modeling;Hybrid solar cooking;Mass transfer;Flow optimization
Department/Centre: Division of Electrical Sciences > Electronic Systems Engineering (Formerly Centre for Electronic Design & Technology)
Depositing User: Id for Latest eprints
Date Deposited: 06 Apr 2011 10:06
Last Modified: 06 Apr 2011 10:06
URI: http://eprints.iisc.ac.in/id/eprint/36616

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