A model for the combined spectral radiative, conductive and convective heat transfer analysis of solar water heaters is presented. The radiation aspect of this model is based on the spectral distribution of the solar irradiance and spectrally selective properties of the system components. The convective equations that were used are based on well-established empirical models. The heat transfer characteristics of the solar water heater are determined by simultaneously solving a nonlinear system of energy balance equations for the various physical components using an iterative approach. The model is used to predict temperatures and heat fluxes for a typical flat-plate solar collector for various geometries and conditions i.e. flow rates, solar irradiances and spectral properties.
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Combined Convective-Radiative Thermal Analysis of a Solar Flat-Plate Collector
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Eicoff, AP, & Naraghi, MH. "Combined Convective-Radiative Thermal Analysis of a Solar Flat-Plate Collector." Proceedings of the ASME 2015 Power Conference collocated with the ASME 2015 9th International Conference on Energy Sustainability, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum. ASME 2015 Power Conference. San Diego, California, USA. June 28–July 2, 2015. V001T01A007. ASME. https://doi.org/10.1115/POWER2015-49198
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