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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 2 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
1. An aircraft is to fly at a height of 9 km (where the temperature and pressure are −45 ◦C and 30.2 kPa respectively) at 400 m ·s−1. A 1/20th-scale model is tested in a pressurized wind tunnel in which the air is at 15 ◦C. For complete dynamic similarity what pressure and velocity should be used in the wind-tunnel? (For air at T K,µ ∝ T3/2/(T + 117).)
2. In a 1/100th-scale model of a harbour what length of time should correspond to the prototype tidal period of 12.4 hours?
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