Numerical study of turbulent heat transfer in separated flow: Review

Hussein Togun, Tuqa Abdulrazzaq, S. N. Kazi, Abdul Amir H. Kadhum, Ahmed Badarudin, M. K A Ariffin, Emad Sadeghinezhad

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The numerical studies of turbulent heat transfer in separation flow presented in thispaper. Enhancement of heat transfer rate in turbulent separation flow at sudden expansion inpassage, over forward or backward facing-steps, blunt body, ribs channel, and swirl generators inchannels were investigated numerically. Different models (CFD) used to study heat transfercharacteristics and fluid flow in separation and reattachment region and compared results withprevious experimental data. The effect of expansion ratio, Reynolds number, step height, (shape,number, and angle) of ribs and (length, twist angle, and gap width) twist the tape on improvementof heat transfer were referred. The numerical results indicated increases of heat transfercoefficients with increases in the above parameters. The numerical simulations derived from finitevolume, element, and difference methods for evaluation of turbulent heat transfer in separatedflow and employed several computational programs.

Original languageEnglish
Pages (from-to)337-349
Number of pages13
JournalInternational Review of Mechanical Engineering
Volume7
Issue number2
Publication statusPublished - Feb 2013

Fingerprint

Heat transfer
Tapes
Flow of fluids
Computational fluid dynamics
Reynolds number
Computer simulation

Keywords

  • Facing-step
  • Ribbedchannel
  • Separation flow
  • Sudden expansion
  • Swirl flow
  • Twist tape

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Togun, H., Abdulrazzaq, T., Kazi, S. N., Kadhum, A. A. H., Badarudin, A., Ariffin, M. K. A., & Sadeghinezhad, E. (2013). Numerical study of turbulent heat transfer in separated flow: Review. International Review of Mechanical Engineering, 7(2), 337-349.

Numerical study of turbulent heat transfer in separated flow : Review. / Togun, Hussein; Abdulrazzaq, Tuqa; Kazi, S. N.; Kadhum, Abdul Amir H.; Badarudin, Ahmed; Ariffin, M. K A; Sadeghinezhad, Emad.

In: International Review of Mechanical Engineering, Vol. 7, No. 2, 02.2013, p. 337-349.

Research output: Contribution to journalArticle

Togun, H, Abdulrazzaq, T, Kazi, SN, Kadhum, AAH, Badarudin, A, Ariffin, MKA & Sadeghinezhad, E 2013, 'Numerical study of turbulent heat transfer in separated flow: Review', International Review of Mechanical Engineering, vol. 7, no. 2, pp. 337-349.
Togun H, Abdulrazzaq T, Kazi SN, Kadhum AAH, Badarudin A, Ariffin MKA et al. Numerical study of turbulent heat transfer in separated flow: Review. International Review of Mechanical Engineering. 2013 Feb;7(2):337-349.
Togun, Hussein ; Abdulrazzaq, Tuqa ; Kazi, S. N. ; Kadhum, Abdul Amir H. ; Badarudin, Ahmed ; Ariffin, M. K A ; Sadeghinezhad, Emad. / Numerical study of turbulent heat transfer in separated flow : Review. In: International Review of Mechanical Engineering. 2013 ; Vol. 7, No. 2. pp. 337-349.
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