Energetic Efficiency - A New Tool, Methodology of Integrate Design for Buildings' Openings

Abstract:

The Residential sector in Brazil is responsible for 26% of energy consumption for illumination, refrigeration and heating, because of this there is a necessity to project in a correct way the openings and choose better materials for construction, targeting the energy rationalization. This article describes the development of a new model that uses a method where openings are represented by single glass and double glass. The model is based on a healthy balance equations purely theoretical and empirical data. Simplified equations are derived through a synthesis of the measured data obtained from meteorological stations, as well as the literature. The implementation of the model in a design tool integrated naturally lit buildings is discussed in this article, to better punctuate the requirements of comfort and energy efficiency in architecture and engineering. Assumes significant importance in studies of heatstroke buildings, aiming to guide the professionals through the process of architectural design, preliminary study and detail of construction elements. It was used a method of degree-days for an assessment of the energy performance of a building showed that the design of the architectural design should always be considered the materials used and the size of the openings. The energy performance was obtained through the model, considering the location of the building in the city of Curitiba, Foz do Iguaçu, Londrina and Cascavel - PR. Obtained climatic data of these locations and in a second step, it was obtained the coefficient of total heat loss in the building pre-established so evaluating the thermal comfort and energy performance. It was observed that heating degree days in winter are of 77.78 to Curitiba the base temperature of 14 ° C and cooling degree days in winter 30.17. For Curitiba lower air exchange, the lower the energy consumption for heating and thus the higher the intake, the greater exchange of air. This means that the more openings in buildings in Curitiba, and are installed to the east side, they may be higher because the glass added to the geometry of architectural spaces will cause the environment conserve energy.

• Periodical: Advanced Materials Research (Volumes 875-877)
• Pages: 1812-1821
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.875-877.1812
• Online since: February 2014
• Authors: Aurea Lucia Georgi Vendramin*, Carlos Itsuo Yamamoto, Samuel N. Souza Melegari
• Keywords: Degree-Day Method, Energy Efficiency, Sustainability

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