Exam_1_2005

# Exam_1_2005 - EAS 4101 - Aerodynamics Spring 2005 2/21/05,...

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EAS 4101 - Aerodynamics – Spring 2005 2/21/05, Exam #1 Name: ____________ ___________ 1/15 Questions: (30 points total, 3 points each, unless otherwise marked) 1. What is the definition of the center of pressure for an airfoil? 2. What is the definition of the aerodynamic center for an airfoil? 3. State the 3 methods (and their respective assumptions) discussed in class of deriving Bernoulli’s equation 4. For inviscid flow around a bend, does the pressure increase, decrease, or remain the same in the outward direction from the bend (or radius of curvature is increasing)?

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EAS 4101 - Aerodynamics – Spring 2005 2/21/05, Exam #1 Name: ____________ ___________ 2/15 Questions continued: (30 points total, 3 points each, unless otherwise marked) 5. In ideal flow, it is common to employ superposition solutions of various individual solutions to Laplace’s equation in terms of the streamfunction and/or velocity potential. Is it also valid to superimpose pressure fields of each individual solution? Please justify your answer mathematically and/or physically. 6. Explain when (i.e., list assumptions) d’Alembert’s paradox is valid and physically why it is expected? 7. Describe the kinematic decomposition of a fluid flow as discussed in class. What are the four components and how do the assumptions of ideal flow affect their values? ( 6 points)
EAS 4101 - Aerodynamics – Spring 2005 2/21/05, Exam #1 Name: ____________ ___________ 3/15 e f f Questions continued: (30 points total, 4 points each, unless otherwise marked) 8. Draw a representative vs. L C α for a thin, cambered finite wing and compare it to vs. L C for a thin, infinite cambered airfoil , please specifically comment about the differences in angle of attack intercept and lift slope for 2-D vs. 3-D bodies (6 points).

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EAS 4101 - Aerodynamics – Spring 2005
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## This note was uploaded on 09/05/2011 for the course EAS 4101 taught by Professor Sheplak during the Spring '08 term at University of Florida.

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Exam_1_2005 - EAS 4101 - Aerodynamics Spring 2005 2/21/05,...

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