The illuminance is an essential item for the proper functioning of any environment. This paper analyzes the illuminance of five libraries "Faróis do Saber" of Curitiba / PR and obtained values are compared with the standards ...

The aim of this study was analyze the noise levels for acoustic comfort and lighting in a university library and propose some solutions in the event of non-compliance. The environment was a university library divided into ...

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An illumination system for the underground floor - West, East, North and South Wings - of the Main Library of the Federal University of Santa Maria is proposed, based on Iluminância de Interiores (NBR 5413) and ...

The energy efficiency of buildings is an important issue to be discussed given the world energy scene. In Brazil, the rational use of energy is becoming increasingly evident in construction, especially in public buildings. ...

Companies sought in recent years the comfort and safety of its employees in order to increase their production and consequently their profits reduced its losses and damages, meet increasingly stringent legislation. The ...

This work deals with the development of a switched-mode power supply circuit based on a Buck topology converter with a Boost Rectifier One-Cycle Control with Power Factor Correction developing, thus, a source of direct ...