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Flight Dynamics Principles, 2nd Edition
book

Flight Dynamics Principles, 2nd Edition

by Michael V. Cook
February 2011
Beginner to intermediate content levelBeginner to intermediate
488 pages
17h 21m
English
Butterworth-Heinemann
Content preview from Flight Dynamics Principles, 2nd Edition
Ch13-H6927.tex 30/6/2007 11: 47 Page 360
360 Flight Dynamics Principles
With reference to Figs. 13.4 and 13.9 consider only the fin contribution which arises
from the turning moment in yaw caused by the fin side force resulting from the
sideslip. By definition this may be quantified as follows
v
N
v
(fin)
=−l
F
Y
F
=
1
2
ρV
2
0
S
F
a
1
F
βl
F
(13.110)
where the fin side force due to sideslip is given by equation (13.79). Substitute for β
from equation (13.78) to obtain the expression for the dimensional derivative
N
v
(fin)
=
1
2
ρV
0
S
F
a
1
F
l
F
(13.111)
and with reference toAppendix 2, the dimensionless form of the derivative is given by
N
v(fin)
=
N
v
(fin)
1
2
ρV
0
Sb
=
V
F
a
1
F
(13.112)
Note that the
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Publisher Resources

ISBN: 9780750669276