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A risk based heat exchanger analysis subject to fouling

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  • Sheikh, Anwar K
  • Zubair, Syed M
  • Younas, Muhammad
  • Budair, M.O

Abstract

Fouling is one of the major uncertainties associated with the operation and maintenance of heat exchangers in the power and process industries. The decision regarding periodic maintenance (cleaning) to meet the target performance level is generally based on both thermal and economic behavior of the process. In this paper, we present a cost model, which includes the risk level and the scatter parameter of random fouling growth models. Four models, namely linear, power law, falling rate and asymptotic fouling growth are integrated in the model. The non-dimensional cost function Γ as a function of reduced time t/M is examined by considering the dimensionless cost parameters γ1, γ2 and γ3, representing additional fuel cost, antifoulant cost and miscellaneous costs, respectively. These dimensionless cost elements are examined for a heat exchanger that is used in a crude oil preheat train. The results are presented in terms of risk level p and scatter parameter α for the underlying fouling models. Furthermore, a simplified closed-form solution is also obtained to study the optimal cycle time, representing minimum cost of operation and maintenance of heat exchangers.

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  • Sheikh, Anwar K & Zubair, Syed M & Younas, Muhammad & Budair, M.O, 2000. "A risk based heat exchanger analysis subject to fouling," Energy, Elsevier, vol. 25(5), pages 445-461.
    • Handle: RePEc:eee:energy:v:25:y:2000:i:5:p:445-461
    DOI: 10.1016/S0360-5442(99)00081-X
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    References listed on IDEAS

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    1. Zubair, Syed M. & Sheikh, Anwar K. & Shaik, Mohammed N., 1992. "A probabilistic approach to the maintenance of heat-transfer equipment subject to fouling," Energy, Elsevier, vol. 17(8), pages 769-776.
    2. Badar, M.Affan & Zubair, Syed M. & Sheikh, Anwar K., 1993. "Uncertainty analysis of heat-exchanger thermal designs using the Monte Carlo simulation technique," Energy, Elsevier, vol. 18(8), pages 859-866.
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    Cited by:

    1. Walker, Michael E. & Theregowda, Ranjani B. & Safari, Iman & Abbasian, Javad & Arastoopour, Hamid & Dzombak, David A. & Hsieh, Ming-Kai & Miller, David C., 2013. "Utilization of municipal wastewater for cooling in thermoelectric power plants: Evaluation of the combined cost of makeup water treatment and increased condenser fouling," Energy, Elsevier, vol. 60(C), pages 139-147.
    2. Min-Hwi Kim & Deuk-Won Kim & Gwangwoo Han & Jaehyeok Heo & Dong-Won Lee, 2021. "Ground Source and Sewage Water Source Heat Pump Systems for Block Heating and Cooling Network," Energies, MDPI, vol. 14(18), pages 1-22, September.
    3. Mohanty, Dillip Kumar & Singru, Pravin M., 2011. "Use of C-factor for monitoring of fouling in a shell and tube heat exchanger," Energy, Elsevier, vol. 36(5), pages 2899-2904.
    4. Walker, Michael E. & Safari, Iman & Theregowda, Ranjani B. & Hsieh, Ming-Kai & Abbasian, Javad & Arastoopour, Hamid & Dzombak, David A. & Miller, David C., 2012. "Economic impact of condenser fouling in existing thermoelectric power plants," Energy, Elsevier, vol. 44(1), pages 429-437.
    5. Tremblay, Veronique & Zmeureanu, Radu, 2014. "Benchmarking models for the ongoing commissioning of heat recovery process in a central heating and cooling plant," Energy, Elsevier, vol. 70(C), pages 194-203.

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