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Master's Dissertation
DOI
https://doi.org/10.11606/D.3.1993.tde-02082022-073322
Document
Author
Full name
Alberto Hernandez Neto
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1993
Supervisor
Committee
Pimenta, Marcos de Mattos (President)
Jabardo, Jose Maria Saiz
Oliveira Junior, Silvio de
Title in Portuguese
Análise comparativa de métodos de cálculo de carga térmica para paredes e tetos.
Keywords in Portuguese
Ar condicionado
Engenharia mecânica
Abstract in Portuguese
Os ambientes condicionados apresentam um comportamento dinâmico ao serem excitados por perfis de temperatura externa e de irradiação solar. Verifica-se, através de análises baseadas no amortecimento e retardamento impostos pelas paredes e tetos ao perfil de carga térmica, que estas estruturas podem ser reunidas em grupos cujo comportamento dinâmico e semelhante. Este trabalho propõe-se a fazer uma revisão bibliográfica com relação às pesquisas realizadas no sentido de avaliar esta similaridade de comportamento e propor uma metodologia alternativa baseada em um modelo de cálculo de carga térmica diferente dos até então utilizados. Serão elaboradas tabelas para materiais e condições climáticas nacionais visando a sua utilização em cálculos mais simplificados propostos pela ASHRAE (1989).
Title in English
Comparative analysis of calculation methods of cooling load for walls and roffs.
Keywords in English
Air conditioning
Mechanical engineering
Abstract in English
The air conditioned rooms have a dynamics behaviour when they are excited by external temperatures and solar radiation profiles. Based on this behavior, some analysis are made showing that it is possible to organize these structures in groups that have the same thermal behaviour. This research will make a literature review of the models for dynamic response of walls and roofs and suggest a new methodology for the analysis of the dynamic behaviour of these structures. It will also be evaluated tables for the typical Brazilian walls and roofs in order to use the CLTDS model which is proposed by ASHRAE (1989).
 
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Publishing Date
2022-08-02
 
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