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Observer-based monitoring of heat exchangers

✍ Scribed by Carlos-Manuel Astorga-Zaragoza; Víctor-Manuel Alvarado-Martínez; Arturo Zavala-Río; Rafael-Maxim Méndez-Ocaña; Gerardo-Vicente Guerrero-Ramírez

Publisher: Elsevier Science
Year: 2008
Tongue: English
Weight: 926 KB
Volume: 47
Category: Article
ISSN: 0019-0578
DOI: 10.1016/j.isatra.2007.05.003

No coin nor oath required. For personal study only.

✦ Synopsis

The goal of this work is to provide a method for monitoring performance degradation in counter-flow double-pipe heat exchangers. The overall heat transfer coefficient is estimated by an adaptive observer and monitored in order to infer when the heat exchanger needs preventive or corrective maintenance. A simplified mathematical model is used to synthesize the adaptive observer and a more complex model is used for simulation. The reliability of the proposed method was demonstrated via numerical simulations and laboratory experiments with a bench-scale pilot plant.

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