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Previous issue date: 2017-07-31 / Alguns s?tios na cidade de Natal/RN possuem agrad?veis condi??es de ventila??o
natural, no entanto, as edifica??es constru?das dependem excessivamente de
sistemas de ar-condicionado para renova??o do ar, muitas vezes fruto de um
planejamento inadequado que n?o prioriza aspectos do conforto ambiental. Sendo
assim, o trabalho a seguir trata-se do anteprojeto arquitet?nico de um novo
ambulat?rio para o Hospital Universit?rio Onofre Lopes com ?nfase na aplica??o de
estrat?gias passivas de ventila??o natural com objetivo de promover um maior n?mero
de trocas de ar no interior dos ambientes. O pr?dio possui uma ?rea constru?da de
31.998,97m?, distribu?dos ao longo de 10 pavimentos, sendo um t?rreo e mais 06
andares superiores, al?m de tr?s subsolos, a ser edificado na ?rea 01 do Campus
Biom?dico da Sa?de, localizado no Bairro de Petr?polis. A ado??o do partido
arquitet?nico levou em considera??o uma s?rie de condicionantes tais como
topografia do terreno, dire??o e velocidade dos ventos predominantes, sistema
construtivo, al?m daquelas de ordem normativas, com destaque para NBR-15220 e
C?digo de Combate a Inc?ndio. Os procedimentos metodol?gicos adotados
envolveram o c?lculo do fluxo e n?mero de trocas de ar por hora nas salas de espera,
consult?rios e mecanoterapia/termoterapia que foram registrados em mem?rias de
c?lculo, para o qual foi necess?rio o conhecimento das velocidades dos ventos no
interior dos ambientes analisados, de dados obtidos na base de dados do Laborat?rio
de Conforto Ambiental da Universidade Federal do Rio Grande do Norte, al?m da
utiliza??o de refer?ncias bibliogr?ficas sobre o tema do conforto t?rmico. Os
resultados obtidos mostram que as estrat?gias de ventila??o cruzada aplicadas no
projeto, tais como utiliza??o de sheds na cobertura para captar o vento em dire??o a
po?os de ventila??o, aliados a ?trios internos e loca??o de aberturas em pontos
opostos com diferentes coeficientes de press?o, dimensionadas e sombreadas
adequadamente, provocam um aumento no fluxo e n?mero de trocas de ar por hora
no interior dos ambientes quando comparado ? ventila??o unilateral. Dessa forma
permite-se que cada um seja ocupado por uma maior quantidade de pessoas,
requisito esse importante para a funcionalidade do pr?dio, j? que o hospital trata-se
de uma institui??o de ensino. Dessa forma, potencializa-se o uso da ventila??o natural
e cria-se as condi??es para minimizar o consumo de ar condicionado, que contribui
para o planejamento de uma arquitetura com mais efici?ncia energ?tica. / Some sites in the city of Natal / RN have pleasant conditions of natural ventilation,
however, the built buildings rely heavily on air conditioning systems for air renovation,
often the result of inadequate planning that does not prioritize aspects of environmental
comfort. Therefore, the following work deals with the architectural design of a new
outpatient clinic for the University Hospital Onofre Lopes, with emphasis on the
application of passive strategies of natural ventilation with the objective of promoting a
greater number of air changes within the environments. The building has a built area
of 31,998.97m?, distributed over 10 floors, one ground floor and a further six floors, in
addition to three basements, to be built in area 01 of the Biomedical Health Campus,
located in the Petropolis District. The adoption of the architectural party took into
account a series of constraints such as topography of the terrain, direction and speed
of prevailing winds, construction system, besides those of normative order, especially
NBR-15220 and Fire Code. The methodological procedures adopted involved
calculating the flow and number of air changes per hour in the waiting rooms, clinics
and mechanotherapy / thermotherapy that were recorded in calculation memories, for
which it was necessary to know the velocities of the winds inside the environments
analyzed, from data obtained from the Laboratory of Environmental Comfort of the
Federal University of Rio Grande do Norte, in addition to the use of bibliographical
references on the topic of thermal comfort. The results show that the cross ventilation
strategies applied in the design, such as the use of sheds in the roof to capture the
wind towards ventilation wells, allied to internal atria and rent of openings in opposite
points with different pressure coefficients, dimensioned and properly shaded, cause
an increase in the flow and number of air changes per hour inside the environments
when compared to unilateral ventilation. In this way, each one is allowed to be occupied
by a larger number of people, a requirement that is important for the functionality of the
building, since the hospital is a teaching institution. In this way, the use of natural
ventilation is potentiated and conditions are created to minimize the consumption of air
conditioning, which contributes to the planning of a more energy efficient architecture.
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.ufrn.br:123456789/24891 |
| Date | 31 July 2017 |
| Creators | Clemente, Fabiano Fechine Torres |
| Contributors | 59618132404, Medeiros, Luciana de, 03064086430, Ara?jo, Virginia Maria Dantas de, 14087979415, Nascimento, Jos? Clewton do, Cavalcante, Eunadia Silva |
| Publisher | PROGRAMA DE P?S-GRADUA??O EM ARQUITETURA, PROJETO E MEIO AMBIENTE, UFRN, Brasil |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Source | reponame:Repositório Institucional da UFRN, instname:Universidade Federal do Rio Grande do Norte, instacron:UFRN |
| Rights | info:eu-repo/semantics/openAccess |
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