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Flow Fields Investigation and Temperature Distribution on a Rotating Disk Imposed by a Turbulent Impinging Jet

[+] Author Affiliations
H. Karrabi, S. Rasoulipour

Sharif University of Technology, Tehran, Iran

Paper No. IHTC14-23236, pp. 719-725; 7 pages
doi:10.1115/IHTC14-23236
From:
  • 2010 14th International Heat Transfer Conference
  • 2010 14th International Heat Transfer Conference, Volume 5
  • Washington, DC, USA, August 8–13, 2010
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4940-8 | eISBN: 978-0-7918-3879-2
  • Copyright © 2010 by ASME

abstract

Numerical investigation of fluid flow structure and convective heat transfer due to a circular jet impinging on a rotating disk is performed. Temperature and convection heat transfer coefficient are calculated. Flow is considered to be steady, incompressible and turbulent. k-ε RNG model is used to model the turbulent flow. Results are compared with experimental data showing good agreement. Two new criteria are introduced and used to evaluate the performance of cooling process, the first is maximum temperature difference on the disk, and the second is the average temperature of the disk. The first parameter shows the uniformity of temperature distribution in the disk and the second shows the effect of both thermo physical properties of the disk material and cooling process.

Copyright © 2010 by ASME

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