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Master's Dissertation
DOI
10.11606/D.3.2007.tde-15022008-101457
Document
Author
Full name
Daniel Setrak Sowmy
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2007
Supervisor
Committee
Prado, Racine Tadeu Araújo (President)
Oliveira, Lúcia Helena de
Petrucci, Aron Lopes
Title in Portuguese
Eficiência energética: metodologia para avaliação de aquecedores de água residenciais de acumulação elétricos.
Keywords in Portuguese
Aquecimento (eficiência)
Sistemas de aquecimento de água
Sistemas prediais
Abstract in Portuguese
Este trabalho propõe um método com objetivo de avaliar a eficiência energética de aquecedores de água residenciais de acumulação elétricos. Os aquecedores foram submetidos a um ciclo de operação simulando uma condição de uso para o cálculo da eficiência. Este ciclo de duração de um dia é composto pelas fases: produção de água quente, reaquecimento e manutenção da temperatura interna. O método foi aplicado no programa experimental e permitiu a identificação de diversos parâmetros referentes ao funcionamento dos aquecedores, tais como: perda passiva por 24 horas, produção de água quente, tempo de reaquecimento, variação da temperatura interna da água e a sua eficiência energética.
Title in English
Energy efficiency: methodology for evaluation of residential storage electrical water heater.
Keywords in English
Electric water heater
Energy efficiency
Storage water heater
Water heater
Abstract in English
This work proposes a method with objective of evaluating the energy efficiency of electrical residential storage water heaters. The heaters were submitted to an operation cycle simulating a use condition for the calculation of the efficiency. This cycle with duration of one day is composed by the phases: hot water withdrawal, temperature recovery and standby thermal loss. The method was applied in the experimental program and it allowed the identification of several parameters regarding the operation of such heaters as: standby thermal loss per 24 hours, hot water rate output, reheating time, cyclic variation of the temperature and its energy efficiency.
 
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Publishing Date
2008-03-03
 
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