3241 Lecture 2

3241 Lecture 2 - MAE 3241: AERODYNAMICS AND FLIGHT...

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MAE 3241: AERODYNAMICS AND FLIGHT MECHANICS Aerodynamic Force and Vector Calculus Review January 12, 2011 Mechanical and Aerospace Engineering Department Florida Institute of Technology D. R. Kirk
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READING ASSIGNMENT Fundamentals of Aerodynamics, 5 th edition Chapter 1 All sections except: 1.7 and 1.9 Chapter 2 All sections except: 2.7
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WHAT CREATES AERODYNAMIC FORCES? Aerodynamic forces exerted by airflow comes from only two sources Pressure, p , distribution on surface Acts normal to surface Shear stress, τ w , (friction) on surface Acts tangentially to surface Pressure and shear are in units of force per unit area (N/m 2 ) Net unbalance creates an aerodynamic force “No matter how complex the flow field, and no matter how complex the shape of the body, the only way nature has of communicating an aerodynamic force to a solid object or surface is through the pressure and shear stress distributions that exist on the surface.” “The pressure and shear stress distributions are the two hands of nature that reach out and grab the body, exerting a force on the body – the aerodynamic force”
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VECTOR CALCULUS REVIEW (SECTION 2.2)
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This note was uploaded on 02/11/2012 for the course MAE 3241 taught by Professor Staff during the Spring '11 term at FIT.

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3241 Lecture 2 - MAE 3241: AERODYNAMICS AND FLIGHT...

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