SIMULATION OF THE TEMPERATURE PROFILE OF A PECTIN SOLUTION IN A PLATE HEAT EXCHANGER: A NON-LINEAR SYSTEM APPROACH FOR CONTROL
Author(s) -
M. R. Scariot,
M. I. Berto,
V. Silveira
Publication year - 2005
Publication title -
revista de engenharia térmica
Language(s) - English
Resource type - Journals
ISSN - 1676-1790
DOI - 10.5380/reterm.v4i1.3545
Subject(s) - heat exchanger , work (physics) , matlab , linearity , plate heat exchanger , materials science , mechanics , pectin , thermodynamics , control theory (sociology) , chemistry , computer science , control (management) , engineering , physics , biochemistry , artificial intelligence , electrical engineering , operating system
Experimental measurement can be made only of inlet and outlet global temperature of
plate heat exchanger (PHE), therefore the temperature profile along of a PHE is hardly
ever known. The goal of this work was to evaluate the influence of a non-Newtonian
behavior of pectin solution in the temperature response curves along of the PHE. The
results were obtained using a simulation codified in Matlab 6.1 software. The response
curves resulted from the simulations were fitted to models for identification and
characterization of the system linearity. The result shows a clear non-linear behavior of
the response curves along the PHE.
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