AA311.PopQuiz1.Solutions

AA311.PopQuiz1.Solutions - AA311: Atmospheric Flight...

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Unformatted text preview: AA311: Atmospheric Flight Mechanics Pop Quiz 1 Dr. Laszlo Techy University of Washington Department of Aeronautics & Astronautics October 10, 2011 Dr. Laszlo Techy AA311: Atmospheric Flight Mechanics Pop-quiz 1 Closed book, closed notes. One empty sheet of paper. Write down your name, and student ID number. Dr. Laszlo Techy AA311: Atmospheric Flight Mechanics Pop-quiz 1: Question 1 (3 min) 1 What is the definition of pressure , and density at a point? 2 Define compressibility of a fluid. 3 Describe the difference between laminar and turbulent flow. Dr. Laszlo Techy AA311: Atmospheric Flight Mechanics Pop-quiz 1: Question 2 (2 min) 1 = 4 kg / m 3 , 2 = 2 kg / m 3 A 1 = 0 . 25 m 2 , A 2 = 0 . 5 m 2 V 1 = 10 m / s , V 2 =? Dr. Laszlo Techy AA311: Atmospheric Flight Mechanics Pop-quiz 1: Question 3 (6 min) Name the following equations 1 dp =- gdh . 2 A 1 V 1 = A 2 V 2 . 3 dp + gdh + VdV = 0 4 p + 1 2 V 2 = const For each of these equations, briefly explain what they describe, and...
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AA311.PopQuiz1.Solutions - AA311: Atmospheric Flight...

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