© Erosion In The Tube Entrance Region Of A Shell And Tube Heat Exchanger Habib, MA; Ben-Mansour, R;...
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Transcript of © Erosion In The Tube Entrance Region Of A Shell And Tube Heat Exchanger Habib, MA; Ben-Mansour, R;...
©
Erosion In The Tube Entrance Region Of A Shell And Tube Heat
Exchanger
Habib, MA; Ben-Mansour, R; Badr, HM; Said, SAM; Al-Anizi, SS
EMERALD GROUP PUBLISHING LIMITED, INTERNATIONAL JOURNAL OF
NUMERICAL METHODS FOR HEAT FLUID FLOW; pp: 143-160; Vol: 15
King Fahd University of Petroleum & Minerals
http://www.kfupm.edu.sa
Summary
Purpose - In oil and gas industries, the presence of sand particles in produced oil and
natural gas represents a major concern because of the associated erosive wear
occurring in various flow passages. Erosion in the tube entrance region of a typical
shell and tube heat exchanger is numerically predicted. Design/methodology/approach
- The erosion rates are obtained for different flow rates and particle sizes assuming
low particle concentration. The erosion prediction is based on using a mathematical
model for simulating the fluid velocity field and another model for simulating the
motion of solid particles. The fluid velocity (continuous phase) model is based on the
solution of the time-averaged governing equations of 3D turbulent flow while the
particle-tracking model is based on the solution of the governing equation of each
particle motion taking into consideration the viscous and gravity forces as well as the
effect of particle rebound behavior. Findings - The results show that the location and
number of eroded tubes depend mainly on the particle size and velocity magnitude at
the header inlet. The rate of erosion depends exponentially on the velocity. The
particle size shows negligible effect on the erosion rate at high velocity values and the
large-size particles show less erosion rates compared to the small-size particles at low
values of inlet flow velocities. Originality/value - In oil and gas industries, the
presence of sand particles in produced oil and natural gas represents a major concern
because of the associated erosive wear occurring in various flow passages. The results
indicate that erosion in shell and tube heat exchanger can be minimized through the
control of velocity inlet to the header.
Copyright: King Fahd University of Petroleum & Minerals;http://www.kfupm.edu.sa
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©
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Copyright: King Fahd University of Petroleum & Minerals;http://www.kfupm.edu.sa
©
For pre-prints please write to: [email protected]
Copyright: King Fahd University of Petroleum & Minerals;http://www.kfupm.edu.sa