Title

Simulation of the winter peak demand of Florida solar domestic hot water systems

Abstract

To evaluate the winter peak demand impact of solar domestic hot water (SDHW) systems on a Florida electric utility, the operation of a typical direct circulation solar system was simulated with TRNSYS - a Transient System Simulation Program - using actual Orlando weather data from the week of December 21, 1989. This week represents the extreme case for Florida solar systems, since it combined freezing temperatures with the advent of the winter solstice - when the sun has its lowest position in the daytime sky. For comparison, the operation of a conventional electric resistance water heater was also simulated with TRNSYS and its hourly electrical demand was determined under average winter weekday and weekend residential hot water loads. The TRNSYS-simulated conventional demand correlated well with the utility-supplied diversified hourly demand for an electric resistance water heater.

Publication Date

1-1-1993

Publication Title

Solar Engineering

Number of Pages

81-88

Document Type

Article

Identifier

scopus

Socpus ID

0027153817 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0027153817

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