Long-term availability modelling of water treatment plants

Roland Smith, Jasper van de Loo, M. van den Boomen, N. Khakzad, Geert Jan van Heck, A.R.M. Wolfert

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)
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Water treatment plants (WTPs) are characterised as complex configurations of repairable and deteriorating components. Previous studies have mainly focused on the average or steady-state availability of such systems while ignoring inherent characteristics like degradation. The current research proposes a two-level hierarchical model for long-term availability analysis of WTPs. To do so, at the component level, a condition-based technique (semi-Markov) or a failure-based technique (non-homogeneous Poisson process) is proposed based on the type and amount of available data while at the system level a reliability block diagram can be used to combine the component-level availabilities. The application of the methodology has been demonstrated on a real case study in the Netherlands.
Original languageEnglish
Pages (from-to)203-213
Number of pages11
JournalJournal of Water Process Engineering
Publication statusPublished - 2019


  • Availability
  • Repairable systems
  • Deterioration
  • Water treatment plants

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