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Levels Tought:
Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 399 Weeks 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 1:8 scale model of a tractor-trailer rig is tested in a pressurized wind tunnel. The rig width, height, and length are W = 0:305 m, H = 0:476 m, and L= 2:48 m, respectively. At wind speed V = 75:0 m=s, the model drag force is FD = 128 N. Air density in the tunnel is ρ= 3:23 kg=m3. Calculate the aerodynamic drag coefficient for the model. Compare the Reynolds numbers for the model test and for the prototype vehicle at 55 mph. Calculate the aerodynamic drag force on the prototype vehicle at a road speed of 55 mph into a headwind of 10 mph.
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