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PEDRINI, Aldomar; SZOKOLAY, Steven. An energy tool for early stages of the design process. In: CONFERENCE ON PASSIVE AND LOW ENERGY ARCHITECTURE, 20., 2003, Santiago do Chile. Anais... Santiago do Chile, 2003.
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Número de Trabalhos: 31 (Com arquivo PDF disponíveis: 15)
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Abstract

The paper describes a prototype of an energy tool orientated to the early stages of architectural design, specifically for office buildings in warm climate. The tool consists of a database and graphic interface developed in Microsoft Access, which contains results of energy consumption (total and end-use) generated by approximately twenty four thousands of simulations. Each simulation corresponds to a specific model, derived from a combination of eleven parameters: four orientations (North, East, South and East), window wall ratio (10%, 40%, 70% and 90%), room depth (3, 6 and 9m), ceiling height (2.4 and 3.3 m), horizontal shading angle of side fin (10°, 40° and 90°), vertical shading angle of overhang (10°, 60° and 90°), glazing type (single clear and Evergreen), fabric proprieties (light and heavy), use of ventilation (natural, active and enthalpy control), building services (efficient and with low efficiency) and use of daylighting and blinds. The tool is an evolution of previous methods, largely based on experiences with architects (case studies of design in practice and survey of design methods and processes). The operability is simple and specifically developed for the pre-design and schematic phases, which makes any consulting easy, fast and straightforward, if compared with most of the methods available. Although the method was initially developed to support design decisions as a scientific tool (analysis and synthesis), it is also applicable to the test of hypotheses and consequently fits into the design process in practice.
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