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Modeling and Experimental Parameter Estimation of a Refrigerator/Freezer System

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PDF TR009.pdf (4MB) ACRC Technical Report 09 PDF
Title: Modeling and Experimental Parameter Estimation of a Refrigerator/Freezer System
Author(s): Reeves, R.N.
Contributor(s): Crawford, R.R.; Bullard, C.W.
Subject(s): analysis of refrigerator-freezer systems alternate refrigerants heat exchangers
Abstract: This paper examines a set of simple equations describing a domestic refrigerator/freezer system and suggests several modeling improvements, based on experimental results. The experimental setup is described and limitations in the accuracy of the sensors is examined. Data are compared to predictions from a fIrst generation model. Changes are made in the model to improve representations of heat exchanger geometry and flow regimes, and air side energy equations. The experimental data are re-examined in order to quantify the accuracy gained as model complexity was increased. For both models, parameters are estimated from the data using nonlinear least squares parameter estimation methods, implemented using multivariate and univariate optimization algorithms.
Issue Date: 1992-01
Publisher: Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign.
Series/Report: Air Conditioning and Refrigeration Center TR-09
Genre: Technical Report
Type: Text
Language: English
URI: http://hdl.handle.net/2142/9698
Sponsor: Air Conditioning and Refrigeration Center Project 12
Date Available in IDEALS: 2009-03-06
Identifier in Online Catalog: 3604243
 

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