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Numerical Simulation of Impinging Jet Cooling

[+] Author Affiliations
Yury V. Mikhaylov, Leonid L. Myagkov, Nikolay S. Malastowski

Bauman Moscow State Technical University, Moscow, Russia

Paper No. IHTC14-22654, pp. 587-596; 10 pages
doi:10.1115/IHTC14-22654
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

This paper presents a technique for heat transfer prediction of impinging jet cooling of internal combustion engine piston based on numerical simulation in ANSYS CFX. This technique implies the simulation of the hydrodynamics of the interaction between cooling oil jet and moving piston. The following steps were made in the stage of verification: the results of oil flow simulation in open channel were compared with corresponding experimental data; the interaction between the oil jet and piston underside was simulated and the results were qualitatively compared with the shots obtained in experimental study by means of hi-speed photography; the quantitative estimation of heat transfer computation results is made by comparing obtained temperature values with experimental data and shows satisfactory results agreement. The comparison of the piston temperature fields shows the efficiency of using impinging jet for piston cooling. In conclusion the further development trends of presented technique were suggested.

Copyright © 2010 by ASME

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