AAE_251_Fall11_HW3_SOLNS

AAE_251_Fall11_HW3_SOLNS - AAE 251 Fall Semester 2011 Dr...

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Unformatted text preview: AAE 251 Fall Semester, 2011 Dr. DeLaurentis HW#3 An INDIVIDUAL HW assignment Due Date: Friday, 16-SEPT in class These problems are designed to give you practice with atmospheric concepts and the use of one-D aero relationships to do useful calculations for flight vehicles and wind tunnels. 1. (20 pts) Problem A-2.2 from text (Brandt. SECOND EDITION) 2. (20 pts) Problem A-3.3 from text (Brandt. SECOND EDITION); ECXEPT, instead of the give values for the Area of inlet and test section, use these values: A inlet =1.5 m 2 and A test_section = .5 m 2 3. (20 pts) A Gulfstream V is flying on a standard day at 40,000 ft. A pitot tube measures a stagnation pressure of 557.3 lb/ft 2 . The wing area of the G-V is 1,137 ft 2 . a) Use a version of the incompressible Bernoulli equation to calculate the G-V’s airspeed (give in both ft/s and kts) and Mach number. b) Use a version of the compressible Bernoulli equation (Machmeter) to calculate the airspeed (in both ft/s and kts) and Mach number....
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AAE_251_Fall11_HW3_SOLNS - AAE 251 Fall Semester 2011 Dr...

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