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| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 5 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A spherical balloon gondola 2.4 m I n diameter rises to an altitude where the ambient pressure is 1.4 kPa and the ambient temperature is 50OC. The outside surface of the sphere is at approximately 0OC. Estimate the free convection heat loss from the outside of the sphere. How does this compare with the forced convection loss from such a sphere with a low free stream velocity of approximately 30 cm/s?
42:
A 2.5 diameter sphere is maintained at 38OC and submerged in water at 15OC. Calculate the heat transfer rate under these conditions.Â
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