A study of jet impingement cooling on the semi-circular concave surface: Effects of two different nozzle configurations
Book
·
OSTI ID:449512
- Seoul National Univ. (Korea, Republic of). Dept. of Mechanical Engineering
An experimental study has been carried out for jet impingement cooling on the semi-circular concave surface. Two different two-dimensional slot nozzles (round shaped nozzle and rectangular shaped nozzle) have been used and heat transfer coefficients on the concave surface have been measured under a constant heat flux condition. The characteristics of heat transfer have been discussed in conjunction with measured jet flows. Velocity and absolute magnitude of the velocity fluctuations of free jets issuing from two different nozzles have been measured by Laser Doppler Anemometry. The effects of the nozzle shape, the spacing between the nozzle exit and the stagnation point of the surface and the nozzle exit Reynolds number on heat transfer were determined.
- Sponsoring Organization:
- Korea Science and Engineering Foundation (Korea, Republic of)
- OSTI ID:
- 449512
- Report Number(s):
- CONF-950828--; ISBN 0-7918-1706-7
- Country of Publication:
- United States
- Language:
- English
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