Study of the performance of ventilated sills for increasing the natural ventilation of schools in Maceió, Alagoas

The 2001 energy crisis in Brazil has pointed out the high energy waste that exists in this country. The need for increasing energy efficiency has intensified the discussion on the energy waste in buildings. As a consequence, the demand for highly energy efficient buildings has increased. These build...

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Hoofdauteurs:	Bittencourt, Leonardo Salazar, Sacramento, Alexandre da Silva, Cândido, Christhina, Leal, Thalianne
Formaat:	Online
Taal:	por
Gepubliceerd in:	ANTAC - Associação Nacional de Tecnologia do Ambiente Construído 2008
Online toegang:	https://seer.ufrgs.br/ambienteconstruido/article/view/3742
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id	ojs-article-3742
record_format	ojs
spelling	ojs-article-37422008-04-28T17:10:49Z Study of the performance of ventilated sills for increasing the natural ventilation of schools in Maceió, Alagoas Estudo do desempenho do peitoril ventilado para aumentar a ventilação natural em escolas de Maceió/AL Bittencourt, Leonardo Salazar Sacramento, Alexandre da Silva Cândido, Christhina Leal, Thalianne Ventilação natural; Peitoril ventilado; Ambientes escolares The 2001 energy crisis in Brazil has pointed out the high energy waste that exists in this country. The need for increasing energy efficiency has intensified the discussion on the energy waste in buildings. As a consequence, the demand for highly energy efficient buildings has increased. These buildings should rely on the use of passive means for cooling and day-lighting, which decrease the demand for air-conditioning and artificial lighting systems. In order to take advantage of regional conditions, adapting buildings to the climate, the performance of some building components, such as the ventilated window-sill, needs further investigation. This paper examines the use of ventilated sills as a means for improving natural ventilation in classrooms. The quantitative and qualitative performance of this component in relation to natural ventilation has been assessed. The results indicate that the ventilated sill is able to increase the airflow inside the classrooms, especially at the work level of the students. A crise de energia deflagrada em 2001 no Brasil revelou um elevado nível de desperdício energético no país. A necessidade de ampliar-se a eficiência energética intensificou a discussão sobre o desperdício energético das edificações. Assim, a demanda para a concepção de edifícios com maior eficiência energética foi incrementada. Estas construções deveriam primar pela utilização de meios passivos de refrigeração e iluminação que apresentem menor dependência dos meios mecânicos, como aparelhos de ar condicionado e sistemas de iluminação artificial. Para o bom aproveitamento das condições regionais, adequando a edificação ao clima, o desempenho de diversos componentes dos edifícios, entre eles os peitoris ventilados, necessita de maior investigação. Este trabalho investiga a adoção do peitoril ventilado como forma de melhorar a distribuição do fluxo de ar em ambientes escolares. Verifica os desempenhos quantitativo e qualitativo desse componente em relação à ventilação natural. Os resultados demonstraram que o peitoril ventilado apresentou-se capaz de aumentar o fluxo de ar no interior das salas estudadas, particularmente no plano de trabalho dos estudantes. ANTAC - Associação Nacional de Tecnologia do Ambiente Construído 2008-04-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://seer.ufrgs.br/ambienteconstruido/article/view/3742 Ambiente Construído; v. 7, n. 3 (2007); 59-69 Ambiente Construído; v. 7, n. 3 (2007); 59-69 Ambiente Construído; v. 7, n. 3 (2007); 59-69 1678-8621 1415-8876 por https://seer.ufrgs.br/ambienteconstruido/article/view/3742/2095 Direitos autorais 2016 Ambiente Construído https://creativecommons.org/licenses/by/4.0
institution	Universidade Federal do Rio Grande do Sul
collection	OJS
language	por
format	Online
author	Bittencourt, Leonardo Salazar Sacramento, Alexandre da Silva Cândido, Christhina Leal, Thalianne
spellingShingle	Bittencourt, Leonardo Salazar Sacramento, Alexandre da Silva Cândido, Christhina Leal, Thalianne Study of the performance of ventilated sills for increasing the natural ventilation of schools in Maceió, Alagoas
author_facet	Bittencourt, Leonardo Salazar Sacramento, Alexandre da Silva Cândido, Christhina Leal, Thalianne
author_sort	Bittencourt, Leonardo Salazar
title	Study of the performance of ventilated sills for increasing the natural ventilation of schools in Maceió, Alagoas
title_short	Study of the performance of ventilated sills for increasing the natural ventilation of schools in Maceió, Alagoas
title_full	Study of the performance of ventilated sills for increasing the natural ventilation of schools in Maceió, Alagoas
title_fullStr	Study of the performance of ventilated sills for increasing the natural ventilation of schools in Maceió, Alagoas
title_full_unstemmed	Study of the performance of ventilated sills for increasing the natural ventilation of schools in Maceió, Alagoas
title_sort	study of the performance of ventilated sills for increasing the natural ventilation of schools in maceió, alagoas
description	The 2001 energy crisis in Brazil has pointed out the high energy waste that exists in this country. The need for increasing energy efficiency has intensified the discussion on the energy waste in buildings. As a consequence, the demand for highly energy efficient buildings has increased. These buildings should rely on the use of passive means for cooling and day-lighting, which decrease the demand for air-conditioning and artificial lighting systems. In order to take advantage of regional conditions, adapting buildings to the climate, the performance of some building components, such as the ventilated window-sill, needs further investigation. This paper examines the use of ventilated sills as a means for improving natural ventilation in classrooms. The quantitative and qualitative performance of this component in relation to natural ventilation has been assessed. The results indicate that the ventilated sill is able to increase the airflow inside the classrooms, especially at the work level of the students.
publisher	ANTAC - Associação Nacional de Tecnologia do Ambiente Construído
publishDate	2008
url	https://seer.ufrgs.br/ambienteconstruido/article/view/3742
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Study of the performance of ventilated sills for increasing the natural ventilation of schools in Maceió, Alagoas

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