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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 407 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
What types of force (acting on particles of fluid) would you expect to influence the torque needed to operate the rudder of a deeply submerged mini-submarine? To investigate the operation of such a rudder, tests are conducted on a quarter-scale model in a fresh-water tunnel. If, for the relevant temperatures, the density of sea water is 2.5% greater than that of fresh water, and the dynamic viscosity 7% greater, what velocity should be used in the water tunnel to correspond to a velocity of 3.5 m ·s−1 for the prototype submarine? If the measured torque on the model rudder is 20.6 N · m, what would be the corresponding torque on the full-size rudder?
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