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Investigation of Flow Pulsation to Mitigate Crude Oil Fouling.

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Title: Investigation of Flow Pulsation to Mitigate Crude Oil Fouling.
Authors: Schab, Richard1 (AUTHOR) richard.schab@tu-dresden.de, Joshi, Himanshu2 (AUTHOR), Malayeri, Mohammad Reza3 (AUTHOR), Unz, Simon1 (AUTHOR), Beckmann, Michael1 (AUTHOR)
Source: Heat Transfer Engineering. 2026, Vol. 47 Issue 11/12, p1006-1013. 8p.
Subject Terms: *Fouling, *Heat exchangers, *Unsteady flow, *Flow velocity, *Pilot plants, *Heat transfer coefficient
Abstract: The EU Horizon 2020 project "FlowEnhancer" aimed to reduce crude oil fouling in the tube side of shell and tube heat exchangers by investigating maldistribution of tubeside velocity. As part of the project, a test sequence was performed in a pilot-plant fouling rig to investigate how crude oil fouling is affected by pulsating flow. The results of these tests, carried out here in two parallel test sections of 3 m length and consisting of double pipe heat exchangers with 19 mm ID tubes, are presented here. The pulsation (periodically fluctuating flow velocity) was induced by opening and closing control valves to these two parallel test sections. The test conditions were 200 °C inlet temperature on the tube side (crude) and 320 °C on the shell side (hot heat transfer fluid), with velocity fluctuations around a mean of 1.2 m/s in one test-section and 0.8 m/s in the second test section. The tests showed lower fouling rates with pulsation, but also lower average heat transfer coefficients. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 193623338
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Investigation of Flow Pulsation to Mitigate Crude Oil Fouling.
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  Data: <searchLink fieldCode="AR" term="%22Schab%2C+Richard%22">Schab, Richard</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> richard.schab@tu-dresden.de</i><br /><searchLink fieldCode="AR" term="%22Joshi%2C+Himanshu%22">Joshi, Himanshu</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Malayeri%2C+Mohammad+Reza%22">Malayeri, Mohammad Reza</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Unz%2C+Simon%22">Unz, Simon</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Beckmann%2C+Michael%22">Beckmann, Michael</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Heat+Transfer+Engineering%22">Heat Transfer Engineering</searchLink>. 2026, Vol. 47 Issue 11/12, p1006-1013. 8p.
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  Data: *<searchLink fieldCode="DE" term="%22Fouling%22">Fouling</searchLink><br />*<searchLink fieldCode="DE" term="%22Heat+exchangers%22">Heat exchangers</searchLink><br />*<searchLink fieldCode="DE" term="%22Unsteady+flow%22">Unsteady flow</searchLink><br />*<searchLink fieldCode="DE" term="%22Flow+velocity%22">Flow velocity</searchLink><br />*<searchLink fieldCode="DE" term="%22Pilot+plants%22">Pilot plants</searchLink><br />*<searchLink fieldCode="DE" term="%22Heat+transfer+coefficient%22">Heat transfer coefficient</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The EU Horizon 2020 project "FlowEnhancer" aimed to reduce crude oil fouling in the tube side of shell and tube heat exchangers by investigating maldistribution of tubeside velocity. As part of the project, a test sequence was performed in a pilot-plant fouling rig to investigate how crude oil fouling is affected by pulsating flow. The results of these tests, carried out here in two parallel test sections of 3 m length and consisting of double pipe heat exchangers with 19 mm ID tubes, are presented here. The pulsation (periodically fluctuating flow velocity) was induced by opening and closing control valves to these two parallel test sections. The test conditions were 200 °C inlet temperature on the tube side (crude) and 320 °C on the shell side (hot heat transfer fluid), with velocity fluctuations around a mean of 1.2 m/s in one test-section and 0.8 m/s in the second test section. The tests showed lower fouling rates with pulsation, but also lower average heat transfer coefficients. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/01457632.2025.2502229
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: 1006
    Subjects:
      – SubjectFull: Fouling
        Type: general
      – SubjectFull: Heat exchangers
        Type: general
      – SubjectFull: Unsteady flow
        Type: general
      – SubjectFull: Flow velocity
        Type: general
      – SubjectFull: Pilot plants
        Type: general
      – SubjectFull: Heat transfer coefficient
        Type: general
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      – TitleFull: Investigation of Flow Pulsation to Mitigate Crude Oil Fouling.
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            NameFull: Joshi, Himanshu
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            NameFull: Malayeri, Mohammad Reza
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            NameFull: Unz, Simon
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            NameFull: Beckmann, Michael
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          Dates:
            – D: 01
              M: 06
              Text: 2026
              Type: published
              Y: 2026
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              Value: 01457632
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              Value: 47
            – Type: issue
              Value: 11/12
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            – TitleFull: Heat Transfer Engineering
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