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Article
Author(s)
Ludimila Mallmann Schmalfuss, Roseana Bonotto Ruivo, Celina Maria Britto Correa, Isabel Torinho Salamoni and Eduardo Grala da Cunha
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DOI:10.17265/1934-7359/2021.02.005
Affiliation(s)
Post-Graduate Program in Architecture and Urbanism, Federal University of Pelotas, Pelotas, RS 96010-610, Brazil
ABSTRACT
Contemporary office
buildings have been calling attention for intense use of glass on their
façades. This way, glazed areas in such buildings may favor the access to
natural light and contribute to power generation through photovoltaic systems.
However, the application of STPV (Semi-Transparent Photovoltaic) may interfere
with the building’s energy performance and good use of daylight. So, this work
aims to assess daylighting and thermoenergetic performances in an office room
located in southern Brazil, with different types of STPV applied to the
building’s glasses. This study was carried out through computer simulation,
integrating software’s Rhinoceros with DIVA plugin and EnergyPlus. Results have
shown that the application of STPV with proper transparency percentage
provides access to daylighting and increases visual comfort for occupants, and
also contributes to the building’s energy balance, as it may save from 9.6% to
28% in energy. Its use, in the climatic context analyzed, has boosted energy
consumption for cooling and for artificial lighting; however, photovoltaic
generation was higher and thus compensated for the increase caused by the system.
KEYWORDS
Energy efficiency, STPV façades, computer simulation, lighting performance, thermoenergetic performance.
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