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Aircraft Flight Dynamics Robert F Stengel Lecture5 Configuration Aerodynamics 2

Aircraft Flight Dynamics Robert F. Stengel Lecture5 Configuration Aerodynamics  2.

Aircraft Flight Dynamics Robert F. Stengel Lecture5 Configuration Aerodynamics 2.

... Axes" f B=XBYBZB!"###$%&&&mB=LBMBNB!"###$%&&&Force Vector"Moment Vector" r × f =i j kx y z f x f y f z= yfz− zfy( )i + zfx− xfz( )j + xfy− yfx( )km =yfz− zfy( )zfx− xfz( )xfy− yfx( )#$%%%%&'((((=rf ... =Surface∫LBMBNB"#$$$%&''' f B= f x f y f z!"####$%&&&&dx dy dzSurface∫=XBYBZB!"###$%&&&Configuration Aerodynamics - 2 Robert Stengel, Aircraft Flight ... Dihedral effect"•  Vertical tail effect"Rolling Moment due to Sideslip Angle!•  Crossflow effects depend on vertical location of the wing"Example of Configuration and Flap Effects!NACA...
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AircrAircraft Flight Dynamics Robert F. Stengel Lecture5 Configuration Aerodynamics  1

AircrAircraft Flight Dynamics Robert F. Stengel Lecture5 Configuration Aerodynamics 1

... page)"InterferenceEffectsInterferenceEffectsWing Aerodynamics Fuselage Aerodynamics Tail Aerodynamics InterferenceEffects•  NASA 30 x 60 Tunnel"–  Full-scale aircraft on balance"–  ... Configuration Aerodynamics - 1
 Robert Stengel, Aircraft Flight Dynamics, MAE 331, 20 12 !•  Configuration Variables"•  Lift"–  Effects of shape, angle, and Mach number"–  ... lift"L3− D= CL 2 Dy( )c y( )q dy−b /2 b / 2 ∫Effect of Aspect Ratio on Wing Lift Slope Coefficient (Incompressible Flow)"•  Airfoil section lift coefficients and lift...
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Aircraft Flight Dynamics Robert F. Stengel  Lecture24 Configuration and Power Effects on Flight Stability

Aircraft Flight Dynamics Robert F. Stengel Lecture24 Configuration and Power Effects on Flight Stability

... Cmα,Cmq,Cmα,Clo,Cno,Cnβ,Cnr,CnβConfiguration and Power Effects on Flight Stability
 Robert Stengel, Aircraft Flight Dynamics, MAE 331, 20 12& quot;•  Wing design"•  Empennage design"•  Aerodynamic coefficient estimation ... Power Effects"Copyright 20 12 by Robert Stengel. All rights reserved. For educational use only.!http://www.princeton.edu/ ~stengel/ MAE331.html!http://www.princeton.edu/ ~stengel/ FlightDynamics.html!Loss ... tail"•  DH -2 unstable with engine out"•  Single- and multi-engine effects"•  Design factors: fin offset (correct at one airspeed only), c.m. offset"•  Propeller fin effect: Visualize...
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Aircraft Flight Dynamics Robert F. Stengel Lecture1 Introduction to Flight Dynamics

Aircraft Flight Dynamics Robert F. Stengel Lecture1 Introduction to Flight Dynamics

... =x1∫dtx 2 ∫dtx3∫dt⎡⎣⎢⎢⎢⎢⎢⎤⎦⎥⎥⎥⎥⎥ Aircraft Flight Dynamics Robert Stengel, Princeton University, 20 12& quot;Copyright 20 12 by Robert Stengel. All rights reserved. For educational ... only.!http://www.princeton.edu/ ~stengel/ MAE331.html!!  Dynamics & Control of Atmospheric Flight !  Configuration Aerodynamics !  Aircraft Performance!  Flight Testing and Flying Qualities!  Aviation ... Velocity"Normal "Velocity"Phases of Flight& quot; Flight of a Paper Airplane Flight of a Paper Airplane
Example 1.3-1, Flight Dynamics& quot;•  Red: Equilibrium flight path"• ...
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Aircraft Flight Dynamics Robert F. Stengel Lecture2 PointMass Dynamics and Aerodynamic  Thrust Forces

Aircraft Flight Dynamics Robert F. Stengel Lecture2 PointMass Dynamics and Aerodynamic Thrust Forces

... Frame"CXCYCZ⎡⎣⎢⎢⎢⎤⎦⎥⎥⎥B=axial force coefficientside force coefficientnormal force coefficient⎡⎣⎢⎢⎢⎤⎦⎥⎥⎥CDCYCL⎡⎣⎢⎢⎢⎤⎦⎥⎥⎥=drag coefficientside force coefficientlift coefficient⎡⎣⎢⎢⎢⎤⎦⎥⎥⎥•  ... =vxvyvz⎡⎣⎢⎢⎢⎢⎤⎦⎥⎥⎥⎥ F I= f x f y f z⎡⎣⎢⎢⎢⎢⎤⎦⎥⎥⎥⎥I= F gravity+ F aerodynamics + F thrust⎡⎣⎤⎦IRate of change of position!Rate of change of velocity!Vector of combined forces!Equations ... tail"Lift = CL1 2 ρVair 2 S ≈ CL0+∂CL∂αα%&'()*1 2 ρVair 2 SDrag = CD1 2 ρVair 2 S ≈ CD0+εCL 2 $%&'1 2 ρVair 2 SAerodynamic Lift"•  Fast...
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Aircraft Flight Dynamics Robert F. Stengel Lecture3 Aviation History Mythology to 1990

Aircraft Flight Dynamics Robert F. Stengel Lecture3 Aviation History Mythology to 1990

... metres (3,8 92 sq!ft)3,501!sq!ft ( 325 m 2 )Tail height 42 ft 5 in ( 12. 93 m) 16.85!metres (55!ft!3!in) 55!ft!6!in (16.9 m)Fuselage width 12! ft 4 in (3.76 m) 5.64!metres (18!ft!6!in) 18!ft!11!in ... to 1990
 Robert Stengel, Aircraft Flight Dynamics, MAE 331, 20 12& quot;Copyright 20 12 by Robert Stengel. All rights reserved. For educational use only.!http://www.princeton.edu/ ~stengel/ MAE331.html!http://www.princeton.edu/ ~stengel/ FlightDynamics.html!AntiquityExperimentalists"•  ... doubled (F4 F vs. F8 F)!•  Use of flaps means high power at low speed, increasing relative significance of thrust effects"•  Short-Takeoff-and-Landing (STOL) aircraft augment takeoff/landing...
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Aircraft Flight Dynamics Robert F. Stengel Lecture6 Cruising Flight Performance

Aircraft Flight Dynamics Robert F. Stengel Lecture6 Cruising Flight Performance

... Cruising Flight Performance
 Robert Stengel, Aircraft Flight Dynamics, MAE 331, 20 12! Copyright 20 12 by Robert Stengel. All rights reserved. For educational use only.!http://www.princeton.edu/ ~stengel/ MAE331.html!http://www.princeton.edu/ ~stengel/ FlightDynamics.html!•  ... CLMTLD=CLCD=CLCDo+εCL 2 ∂CLCD( )∂CL=1CDo+εCL 22 εCL 2 CDo+εCL 2 ( ) 2 = 0•  Satisfy necessary condition for a maximum"•  Lift-to-drag ratio"•  Lift coefficient for maximum ... 465!"#$%&=1,530 km ( 825 nm( )The Mysterious Disappearance of Air France Flight 447 (Airbus A330 -20 0)"http://en.wikipedia.org/wiki/AF_447!BEA Interim Reports, 7 /2/ 2009 & 11/30 /20 09!http://www.bea.aero/en/enquetes/flight.af.447/flight.af.447.php!Suspected...
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Aircraft Flight Dynamics Robert F. Stengel Lecture7 Gliding, Climbing, and Turning Performance

Aircraft Flight Dynamics Robert F. Stengel Lecture7 Gliding, Climbing, and Turning Performance

... Performance
 Robert Stengel, Aircraft Flight Dynamics, MAE 331, 20 12 !Copyright 20 12 by Robert Stengel. All rights reserved. For educational use only.!http://www.princeton.edu/ ~stengel/ MAE331.html!http://www.princeton.edu/ ~stengel/ FlightDynamics.html!•  ... #5, 20 08)"Best Cruise Region"Gliding Flight D = CD1 2 ρV 2 S = −W sinγCL1 2 ρV 2 S = W cosγh = V sinγr = V cosγEquilibrium Gliding Flight& quot;Gliding Flight& quot;•  ... if thrust and drag were zero"Total EnergyUnit Weight≡ Specific Energy =mgh + mV 2 2mg= h +V 2 2g≡ Energy Height, Eh, ft or m•  Vertical force equilibrium"Level Turning Flight& quot;L...
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Aircraft Flight Dynamics Robert F. Stengel Lecture8 Aircraft Equations of Motion  1

Aircraft Flight Dynamics Robert F. Stengel Lecture8 Aircraft Equations of Motion 1

... XB-70!Nominal Configuration Tips folded, 50% fuel, W = 38, 524 lbxcm@0 .21 8 cIxx= 1.8 ×106 slug-ft 2 Iyy= 19.9 ×106 slug-ft 2 Ixx= 22 .1×106 slug-ft 2 Ixz= −0.88 ×106 slug-ft 2 Angular ... a set of principal axes"Ellipsoid of Inertia!€ Ixxx 2 + Iyyy 2 + Izzz 2 = 1Inertia Matrix of an Aircraft with Mirror Symmetry"I =(y 2 + z 2 ) 0 −xz0 (x 2 + z 2 ) 0−xz ... Construct aircraft moments and products of inertia from components using parallel-axis theorem"•  Model in Pro/ENGINEER, etc." Aircraft Equations of Motion - 1
 Robert Stengel, Aircraft...
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Aircraft Flight Dynamics Robert F. Stengel Lecture9 Aircraft Equations of Motion  2

Aircraft Flight Dynamics Robert F. Stengel Lecture9 Aircraft Equations of Motion 2

... sinγ!"###$%&&&Relationship of Inertial Axes to Velocity Axes" Aircraft Equations of Motion - 2 Robert Stengel, Aircraft Flight Dynamics, MAE 331, 20 12 "•  Rotating frames of reference"•  ... of Reference"•  Orthonormal transformations connect all reference frames"Next Time:Linearization and Modes of MotionReading Flight Dynamics, 23 4 -24 2, 25 5 -26 6, 27 4 -29 7, 321 -330 ... 0# FLIGHT - Computer Program to Solve the 6-DOF Equations of Motionhttp://www.princeton.edu/ ~stengel/ FlightDynamics.html! FLIGHT - MATLAB Program"http://www.princeton.edu/ ~stengel/ FlightDynamics.html!FLIGHT...
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