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Titolo
Working fluid effects on the performance of hybrid Brayton thermosolar plants
Autor(es)
Soggetto
Thermosolar hybrid power plants
Thermal energy engineering
Improved plant design
Closed Brayton cycle
Working fluids
Fecha de publicación
2018-03-19
Citación
Santos, M.J., Miguel-Barbero, C., Merchán, R.P., Medina, A., Calvo, A. Working fluid effects on the performance of hybrid Brayton thermosolar plants. ICREPQ (International Conference on Renewable Energies and Power Quality), Salamanca, 2018
Resumen
[EN]In this communication a general thermodynamic
model for hybrid Brayton thermosolar plants is proposed. The
model is flexible and capable to include multistage
configurations and recuperation. During the last years was
proved that this kind of plants is technically feasible but R+D
efforts need to be done in order to improve its commercial
feasibility. From the thermodynamic viewpoint it is necessary to
increase its overall efficiency. A general model that allows to
simulate recuperative or non-recuperative plants, with an
arbitrary number of stages and working with different subcritical
fluids is presented. Numerical results for multi-step
configurations are compared with those for a reference
experimental plant, developed during the last years near Seville.
Different working fluids and several plant layouts are analyzed.
URI
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