Theoretical and experimental unsteady-state thermal behaviour of domestic solar water heating

S. Khalfallaoui, D. Seguin, M.A. Abdelghani-Idrissi, N. Mouhab, Andrew Miller, Kenneth Ip

Research output: Contribution to journalArticlepeer-review


This paper deals with the study of a thermal solar system. The thermal behaviour is investigated in an unsteady state with regard to the intermittency of sunlight. Modelling of this system was carried out taking into account a global approach to make an energy balance for each component of the thermal solar system. This method allows us to quantify the dynamics of each element of the solar system by using the Simulink® tool in the Matlab® environment for the resolution of this knowledge model. The theoretical results obtained are compared with the results of experiments on a solar pilot mounted in the laboratory. The solar pilot is instrumented in order to measure the evolution of the different temperatures as well as the solar radiation intensity. The model presented in this paper is validated by comparing the simulation results with the measurement data obtained from the experimental set-up.
Original languageEnglish
Pages (from-to)129-148
Number of pages20
JournalInternational Journal of Sustainable Energy
Issue number3
Publication statusPublished - Jul 2010


  • solar energy
  • modelling
  • thermal power
  • solar panel


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