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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Mariane Pinto Brandalise, Eduardo Grala da Cunha and Larissa Cristina de Oliveira
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DOI:10.17265/1934-7359/2016.01.003
Affiliation(s)
Laboratory of Comfort and Energy Efficiency, Architecture and Urbanism, Federal University of Pelotas, Pelotas 96010-020, Brazil
ABSTRACT
The RTQ-C (Technical Requirements
of Quality for the Energy Performance Level of Commercial Buildings)
publication classified the buildings in five efficiency levels. In RTQ-C, the
evaluation can be done with two methods: a prescriptive method and a simulation
one. This paper aims to
identify the sensibility of the prescriptive method RTQ-C regarding the
variation of equipment internal load density in office buildings in bioclimatic
Zones 1 and 7 of the Brazilian bioclimatic zoning. The research results show that
the building with walls and roof configured to meet
specific prerequisites for energy efficiency Levels B and C had a lower
consumption than buildings that meet the prerequisites to Level A. The study
also showed that buildings with high internal load density of equipment,
maximum shape factor and high, with walls and roofs with higher thermal
transmittance, have lower power consumption than constructions with an envelope
with greater thermal resistance. The
increase in internal load density causes an increase in the internal heat
generated by the large amount of equipment. In buildings with higher thermal
insulation (Level A), the internal heat is maintained in the environment,
causing overheating and the need for an air conditioning system.
KEYWORDS
RTQ-C, internal load density, office buildings, energy modeling, energy efficiency in buildings.
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