Aircraft Flight Dynamics Robert F Stengel Lecture17 Flight Testing
Aircraft Flight Dynamics Robert F. Stengel Lecture17 Flight Testing
... different from takeoff and landing"
• Suggestion: Follow the form of MIL -F- 8785C, FAR
Part 23, etc., but adapt to differences between
manned and unmanned systems"
Flight Testing for ...
Flight Testing
Robert Stengel, Aircraft Flight Dynamics
MAE 331, 2012
"
Copyright 2012 by Robert Stengel. All rights reserved. For educational use only.!
http://www.pr...
Aircraft Flight Dynamics Robert F. Stengel Lecture1 Introduction to Flight Dynamics
... 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"
• ... only.!
http://www.princeton.edu/ ~stengel/ MAE331.html!
! Dynamics & Control of Atmospheric Flight
! Configuration Aerodynamics
! Aircraft Performance
! Flight T...
Aircraft Flight Dynamics Robert F. Stengel Lecture2 PointMass Dynamics and Aerodynamic Thrust Forces
... Frame"
C
X
C
Y
C
Z
⎡
⎣
⎢
⎢
⎢
⎤
⎦
⎥
⎥
⎥
B
=
axial force coefficient
side force coefficient
normal force coefficient
⎡
⎣
⎢
⎢
⎢
⎤
⎦
⎥
⎥
⎥
C
D
C
Y
C
L
⎡
⎣
⎢
⎢
⎢
⎤
⎦
⎥
⎥
⎥
=
drag coefficient
side force coefficient
lift coefficient
⎡
⎣
⎢
⎢
⎢
⎤
⎦
⎥
⎥
⎥
• ... =
v
x
v
y
v
z
⎡
⎣
⎢
⎢
⎢
⎢
⎤
⎦
⎥
⎥
⎥
⎥
F
I
=
f
x
f
y
f
z
⎡
⎣
⎢
⎢
⎢
⎢
⎤
⎦
⎥
⎥
⎥
⎥
I
= F
gravity
+ F
aerodynamics
+ F
thrust
⎡...
Aircraft Flight Dynamics Robert F. Stengel Lecture3 Aviation History Mythology to 1990
... effects"
• Short-Takeoff-and-Landing (STOL)
aircraft augment takeoff/landing lift in
many ways, e.g.,"
– Full-span flaps"
– Deflected thrust"
Grumman F8 F!
Grumman F4 F!
GB R1!
C
T
o
,C
T
V
,C
T
δ
T
,C
L
δ
T
World ... to 1990
Robert Stengel, Aircraft Flight Dynamics, MAE 331, 2012"
Copyright 2012 by Robert Stengel. All rights reserved. For educationa...
Aircraft Flight Dynamics Robert F. Stengel Lecture5 Configuration Aerodynamics 2.
... Axes"
f
B
=
X
B
Y
B
Z
B
!
"
#
#
#
$
%
&
&
&
m
B
=
L
B
M
B
N
B
!
"
#
#
#
$
%
&
&
&
Force Vector"
Moment Vector"
r × f =
i j k
x y z
f
x
f
y
f
z
= yf
z
− zf
y
( )
i + zf
x
− xf
z
( )
j + xf
y
− yf
x
( )
k
m =
yf
z
− zf
y
( )
zf
x
− xf
z
( )
xf
y
− yf
x
( )
#
$
%
%
%
%
&
'
(
(
(
(
=
rf ... =
Surface
∫
L
B
M
B
N
B
"
#
$...
Aircraft Flight Dynamics Robert F. Stengel Lecture6 Cruising Flight Performance
... Cruising Flight Performance
Robert Stengel, Aircraft Flight Dynamics,
MAE 331, 2012!
Copyright 2012 by Robert Stengel. All rights reserved. For educational use only.!
http://www.princeton.edu/ ~stengel/ MAE331.html!
http://www.princeton.edu/ ~stengel/ FlightDynamics.html!
• ...
tubes on Fouga
Magister"
Cessna 172 pitot tube"
X-15 Q Ball"
Flight Testing I...
Aircraft Flight Dynamics Robert F. Stengel Lecture7 Gliding, Climbing, and Turning Performance
... Glide"
Climbing Flight
Gliding, Climbing, and Turning
Flight Performance
Robert Stengel, Aircraft Flight Dynamics,
MAE 331, 2012
!
Copyright 2012 by Robert Stengel. All rights reserved. For educational ... Flight Envelope
Flight Envelope Determined by
Available Thrust"
• Flight ceiling defined by
available climb rate"
– Absolute: 0 ft/min"
– Ser...
Aircraft Flight Dynamics Robert F. Stengel Lecture8 Aircraft Equations of Motion 1
... 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 ... sequences of 3 rotations can be chosen; however,
once sequence is chosen, it must be retained
"
Effects of Rotation on Vector Transformation
from Inertial to Body Frame of R...
Aircraft Flight Dynamics Robert F. Stengel Lecture9 Aircraft Equations of Motion 2
... sin
γ
!
"
#
#
#
$
%
&
&
&
Relationship of Inertial Axes
to Velocity Axes"
Aircraft Equations of Motion - 2
Robert Stengel, Aircraft Flight Dynamics, MAE 331,
2012
"
• Rotating frames of reference"
• ... Motion
http://www.princeton.edu/ ~stengel/ FlightDynamics.html!
FLIGHT - MATLAB Program"
http://www.princeton.edu/ ~stengel/ FlightDynami...
Aircraft Flight Dynamics Robert F. Stengel Lecture10 Linearized Equations and Modes of Motion
...
∂
ψ
∂ψ
"
#
$
$
$
$
$
$
$
%
&
'
'
'
'
'
'
'
• Four (6 x 6) blocks distinguish longitudinal and lateral-directional effects "
F =
F
Lon
F
Lat−Dir
Lon
F
Lon
Lat−Dir
F
Lat−Dir
"
#
$
$
%
&
'
'
Effects of longitudinal ... Numerically"
– First differences in f( x,u,w)"
• Analytically"
– Symbolic eval...
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