A Numerical Analysis on a Solar Chimney With an Integrated Thermal Energy Storage With Phase Change Material

Summary

Two-dimensional transient simulations in Ansys Fluent model a converging solar chimney on a building's south facade whose absorbing wall carries a paraffin-wax latent heat store. Using a k-ε turbulence model over a summer-solstice day in Aversa, Italy, the authors compare several PCM thicknesses, examining wall temperatures, airflow velocity and temperature in the channel, and melting behaviour of the wax.

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