Eficiência energética: metodologia para avaliação de aquecedores de água residenciais de acumulação elétricos. / Energy efficiency: methodology for evaluation of residential storage electrical water heater.
AUTOR(ES)
Daniel Setrak Sowmy
DATA DE PUBLICAÇÃO
2007
RESUMO
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.
ASSUNTO(S)
water heater energy efficiency storage water heater sistemas de aquecimento de água aquecimento (eficiência) sistemas prediais electric water heater
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