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Thermal regulation of building-integrated photovoltaics using phase-change materials.

Author(s) : HUANG M. J., EAMES P. C., NORTON B.

Type of article: Article

Summary

Elevated operating temperatures reduce the efficiency of photovoltaic devices. The use of a phase-change material to moderate building integrated photovoltaic temperature rise has been investigated by experiments and numerical simulations. Experimental data were used to validate the previously developed two-dimensional finite volume heat transfer model conjugated hydrodynamically to solve the Navier-Stokes and energy equations. A parametric study of a design application is also reported. Temperatures, velocity fields and vortex formation within the system were predicted for a variety of configurations using the experimentally validated numerical model. Temperature distributions predicted for different insolation and ambient temperatures at the photovoltaic surface show that the moderation of temperature achieved can lead to significant improvements in the operational efficiency of photovoltaic facades.

Details

  • Original title: Thermal regulation of building-integrated photovoltaics using phase-change materials.
  • Record ID : 2004-2558
  • Languages: English
  • Subject: Environment, General information
  • Source: International Journal of Heat and Mass Transfer - vol. 47 - n. 12-13
  • Publication date: 2004/06

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