Identification of the influence of fouling on the heat recovery in a network of shell and tube heat exchangers

Mariusz Markowski , Marian Trafczyński , Krzysztof Urbaniec


The aim of this work is to elaborate a method of identification of the influence of fouling on the heat recovery in a heat exchanger network (HEN). The method is based on mathematical models enabling the interpretation of industrial measurements of operating parameters of the HEN. Details of the models are developed for shell and tube heat exchangers. The crucial assumption is that measurements of the mass flowrate and inlet and outlet temperature, and chemical composition are available for each process stream, this making it possible to evaluate fouling-induced reduction in the recovered energy flow. Using the proposed identification method and an industrial data base acquired in a typical crude distillation unit, the mathematical models are thoroughly tested. The developed approach allows long-term monitoring of changes in the condition of the HEN and assisting plant operator decisions aimed at maximizing heat recovery over the period of plant operation. A case study and an example of optimal scheduling of cleaning interventions on the individual exchangers are presented.
Author Mariusz Markowski (FCEMP / IMEn)
Mariusz Markowski,,
- Institute of Mechanical Engineering
, Marian Trafczyński (FCEMP / IMEn)
Marian Trafczyński,,
- Institute of Mechanical Engineering
, Krzysztof Urbaniec (FCEMP / IMEn)
Krzysztof Urbaniec,,
- Institute of Mechanical Engineering
Journal seriesApplied Energy, ISSN 0306-2619
Issue year2013
Keywords in Englishenergy saving, fouling identification, heat exchanger fouling, heat exchanger network, heat recovery, shell and tube heat exchanger
ASJC Classification2308 Management, Monitoring, Policy and Law; 2210 Mechanical Engineering; 2100 General Energy; 2215 Building and Construction; 2205 Civil and Structural Engineering
Languageen angielski
Score (nominal)45
Score sourcejournalList
ScoreMinisterial score = 40.0, 03-09-2020, ArticleFromJournal
Ministerial score (2013-2016) = 45.0, 03-09-2020, ArticleFromJournal
Publication indicators WoS Citations = 21; Scopus Citations = 25; GS Citations = 42.0; Scopus SNIP (Source Normalised Impact per Paper): 2013 = 3.337; WoS Impact Factor: 2013 = 5.261 (2) - 2013=5.597 (5)
Citation count*43 (2020-09-23)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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