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    8.6    Forebodies at High Angles ofAttack - . . . - . - - , . . . . , . .        . .   690
    8.7    Relation Between Angle ofAttack, Sideslip, and Roll Angle  . . . .   695
                                                      .. 695
   8.8  WingRock .. . . . .. . . . . . .. . . . . . . . . . . . . . .
                                                        .. 710
     8.9    Roll Attractor of Delta Wings   . . . . . . . . . . . . . . .
     8.10  Forebody-Induced Wing Rock . - . . . . . . . . . . . N .                    t .   714
                                                        .. 725
    8.11  Suppression ofWing Rock  . * . . . . . . . . . . . . . . .
     8.12  Roll Reversal and Yaw Departure  . . . - . . . . .  . . . .                    . .   732
    8.13  Control Concepts at High Angles ofAttack  . . . . . .                  . .  735
   8.14 Summary . ... . . .. ... - . , * . .. } . . . *, . , . . -            . ,  749
                                                      .. 750
         References .. . . . . . . .. . . . . . . . . . . . . . . . . , '
Appendix   Standard Atmospheres . . . . . . . . - . - . . . . . . - . . - . - . N .  753
Bibliography .. . . ... . ... . .. N ... - . . - . . - .. . . . . . . - . - * - . . - .  757
Index ...- ....- .....-- .... - .- - ...- ...N ........- . ~ . . - .  759
Preface
The objective of this book is to provide a comprehensive and integrated expo-
sure to airplane performance, stabilitjr, dynamics, and flight control. This book
is intended as a text for senior undergraduate or first-year graduate students in
aerospace engineering. The material presented in this book has mainly evolved
from the lecture notes I used to prepare for teaching while I was at the Aerospace
Engineering Department of the Indian Institute of Technology, Bombay.
   Ideally, the material presented in this text could be covered in two semesters.
The textincludes adequate background material on basic aerodynamics, dynamics,
and linear control systems to help the reader grasp the main subject matter.ln this
text, the airplane is assumed to be a rigid body, and elastic deformations and their
effects on airplane motion are not considered.
   Chapter 1 presents a brief review of basic principles of aerodynamics. The
 reader is also exposed to various modern concepts like supercritical ayirfoils, swept-
forward wings, and slender delta wings. The slender delta wing represents a de-
parture from the long-held doctrine of attached tlow to the concept of controlled
separated flow at high angles of attack
      Chapter 2 discusses the subject of airplane performance starting with the simple
 power-off gliding flight and covers various categories of flight in vertical and hori-
 zontal planes with a discussion of the conditions that optimize the local or the point
 performance. The limitations of the method of point p'9rformance optimization are
brought to the attention of the reader.
          The airplaneis a dynanuc system with all six degrees offreedom. However, when
　
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