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Levels Tought:
Elementary,Middle School,High School,College,University,PHD
| 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 hot dog can be considered to be a cylinder 5 in long and 0.8 in in diameter whose properties are r =61.2 lbm/ft3 , cp = 0.93 Btu/lbm·8F, k = 0.44 Btu/h·ft·8F, and a = 0.0077 ft2 /h. A hot dog initially at 408F is dropped into boiling water at 2128F. If the heat transfer coefficient at the surface of the hot dog is estimated to be 120 Btu/h·ft2 ·8F, determine the center temperature of the hot dog after 5, 10, and 15 min by treating the hot dog as (a) a finite cylinder and (b) an infinitely long cylinder
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