NDLI: An optimal control approach for determination of the heat loss coefficient in a domestic water heating system

Content Provider	IEEE Xplore Digital Library
Author	Gil, C. Haralambous, M. Qu, Z. Simaan, M.
Copyright Year	2010
Description	Author affiliation: Univ. of Central Florida, Orlando, FL, USA (Gil, C.; Haralambous, M.; Qu, Z.; Simaan, M.)
Abstract	Integral collector storage (ICS) solar domestic water heating systems are an alternative to help meet the hot water energy demands in a household. In order to evaluate the potential benefits and contributions from the system, it is important to be certain that the modeling scheme is as accurate as possible. The overall heat loss coefficient $(U_{loss})$ plays an important roll in such a scheme and in the performance prediction methodology of the ICS. This paper presents the results of an investigation of the application of optimal control theory to find how $U_{loss}$ varies with time, for a particular non-concentrating ICS system. The time-varying $U_{loss}$ obtained was used in a proposed model, and the resulting simulated ICS performance was compared to the real measured performance and the simulated case when $U_{loss}$ was time-invariant. After comparison, it was determined that the use of a time-varying $U_{loss}$ in the modeling scheme significantly improves the ICS performance prediction.
Starting Page	3549
Ending Page	3554
File Size	760807
Page Count	6
File Format	PDF
ISBN	9781424474264
ISSN	07431619
e-ISBN	9781424474271
DOI	10.1109/ACC.2010.5530782
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Water heating Optimal control Solar heating Water storage Temperature control Solar radiation Solar energy Control systems Gas insulated transmission lines Optical losses
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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