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Improved threshold fouling models for crude oils

Author

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  • Shetty, Nitin
  • Deshannavar, Umesh Basanagouda
  • Marappagounder, Ramasamy
  • Pendyala, Rajashekhar

Abstract

The existing threshold fouling models always predict an increase in initial fouling rates with an increase in bulk temperature which may not hold good for some crude oils. In this study, an improved threshold fouling model is proposed which uses an effective film temperature in the Arrhenius expression. Experiments were conducted in a high pressure, high temperature recirculation flow pilot-scale fouling test rig with three test crude oils with differing properties under the operating conditions of surface and bulk temperatures ranging from 243 to 334 °C and 82–180 °C, respectively, and velocities at 0.35 and 0.5 m/s. The proposed model has been shown to predict initial fouling rates very closely with the experimental data with R2 values above 0.98 for the three test crude oils used in this study.

Suggested Citation

  • Shetty, Nitin & Deshannavar, Umesh Basanagouda & Marappagounder, Ramasamy & Pendyala, Rajashekhar, 2016. "Improved threshold fouling models for crude oils," Energy, Elsevier, vol. 111(C), pages 453-467.
    • Handle: RePEc:eee:energy:v:111:y:2016:i:c:p:453-467
    DOI: 10.1016/j.energy.2016.05.130
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    References listed on IDEAS

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    1. Zubair, Syed M. & Sheikh, Anwar K. & Younas, Muhammad & Budair, M.O., 2000. "A risk based heat exchanger analysis subject to fouling," Energy, Elsevier, vol. 25(5), pages 427-443.
    2. 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.
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    Cited by:

    1. Rached Ben-Mansour & Sami El-Ferik & Mustafa Al-Naser & Bilal A. Qureshi & Mohammed Ahmed Mohammed Eltoum & Ahmed Abuelyamen & Fouad Al-Sunni & Ridha Ben Mansour, 2023. "Experimental/Numerical Investigation and Prediction of Fouling in Multiphase Flow Heat Exchangers: A Review," Energies, MDPI, vol. 16(6), pages 1-32, March.
    2. Markowski, Mariusz & Trzcinski, Przemyslaw, 2019. "On-line control of the heat exchanger network under fouling constraints," Energy, Elsevier, vol. 185(C), pages 521-526.

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