期刊
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
卷 49, 期 4, 页码 675-679出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ijthermalsci.2009.10.011
关键词
Fouling; Detection; Heat exchanger; Neural network; Numerical modelling
资金
- Rannis - The Icelandic Centre for Research - and the French Ministry of Foreign Affairs [EGIDE 18990VL]
- CNRS
This paper presents a method for the detection of fouling in a cross-flow heat exchanger. A numerical model is used to generate data when the heat exchanger is clean and corresponding data when fouling occurs. In a first step, the model is used to generate a long time series by simulating a clean heat exchanger. This allows the determination of a neural network model of the heat exchanger. Then, hundred sets of data are generated by simulating a fouled heat exchanger and it is checked that the simple Cusum test can be used to detect fouling without any false alarm, whatever the reference time series is. (C) 2009 Elsevier Masson SAS. All rights reserved.
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