Aircraft Design Concepts: An Introductory Course

Cover
Half Title
Title Page
Copyright Page
Dedication
Contents
Preface
Acknowledgements
Author
Chapter 1: Introduction
	Design Features
	Different Materials in Column Buckling
	Illustrative Examples of Wood, Metal and Composite Airplanes
	Examples Wing Structures
Chapter 2: Aerodynamic Review
	Airfoils
	Wings
	Bodies
	Undercarriage
	Wing-Body Combination
	Complete-Aircraft Aerodynamics (for a Tail-Aft Monoplane)
		Lift
		Drag
		Pitching Moment (with non-extended undercarriage)
		Pitching Moment (with extended undercarriage)
	Numerical Example
		Wing
		Tail
		Body
		Propeller
		Undercarriage
		Complete Airplane Lift and Drag Coefficients
		Complete Airplane Moment Characteristics
	A Final Comment
Chapter 3: Propeller Analysis
	Simple Blade-Element Analysis
	Actuator-Disk Momentum Theory
	Extensions to the Simple Blade-Element Analysis
	Method of Calculation
	Numerical Example
	Application of the Analysis
	Propeller Airfoils
	Matlab Program
Chapter 4: Flying Wings (or Tailless Airplanes)
	“Flying Planks”
	Swept Flying Wings
	Paragliders
	Rogallo-Type Hang Gliders
	Span-Loader Flying Wings
	A Canadian Flying-Wing Glider
	An Approximate Method for Estimating the Aerodynamic Characteristics of Wings with Variable Twist, Taper and Sweep
		Example 1, Straight-Tapered Linear-Twisted Wing
		Example 2, Double-Swept and Double-Tapered Wing
		Matlab Computer Program
	“Delta” Tailless Aircraft
	Final Observations
Chapter 5: Canard Airplanes and Biplanes
	Canard Airplanes
		An Approximate Method for Estimating the Aerodynamic Characteristics of Canard Airplanes
		Example, Rectangular Wing
		Example, Canard Glider
	Biplanes
		An Approximate Method for Estimating the Aerodynamic Characteristics of Biplanes with Wings of Equal Spans and Areas
		Example, “Slow SHARP” Biplane
		Further Considerations of Biplane Analysis
		Example, Biplane Glider
		Final Biplane Comment
Chapter 6: Flight Dynamics
	Introduction
	Aircraft Longitudinal Small-Perturbation Dynamic Equations
		Non-Dimensional Form of the Equations
		Estimation of the Longitudinal Stability Derivatives
			The ( )0 Terms
			The û Derivatives
			The α Derivatives
			The ˆq derivatives
			The Dû Derivatives
			The Dα Derivatives
			The Dˆq Derivatives
			The Propulsion Derivatives
		Longitudinal Numerical Example (“Scholar” Tail-Aft Monoplane)
			Example Values of (CX)0, (CZ)0 and (CM)0
			Example Values of CXα, CZα and CMα
			Example values of CXq, CZq and CMq
			Example Values of CXDU and CMDU
			Example Values of CZDα and CMDα
			Example Values of CXDq, CZDq and CMDq
			Example Values of T̂Xu, T̂Xα and T̂Zα.
	Aircraft Lateral Small-Perturbation Dynamic Equations
		Non-Dimensional Form of the Equations
		Estimation of the Lateral Stability Derivatives
			The β Derivatives:
			The rˆ Derivatives
			The pˆ Derivatives:
			The Dβ Derivatives:
			The Drˆ Derivatives
			The Dpˆ Derivatives
		Example Lateral Stability Derivatives for the “Scholar” Tail-Aft Monoplane
			Example Value of CYβ
			An Extension to the Analysis
			Example Value of CNβ
			Example Value of CL˜ β
			Example Value of CYr
			Example Value of CNr
			Example Value of CL˜ r
			Example Value of CYp
			Example Value of CNp
			Example Value of CL˜ p
			Example Value of CYDβ
			Example Value of CNDβ
			Example Value of CL˜ Dβ
			Example Value of CYDr
			Example Value of CNDr
			An Extension to the Analysis
			Example Value of CL˜ Dr
			Example Value of CYDp
			Example Value of CNDp
			Example Value of CL˜ Dp
			An Extension to the Analysis
	Radii-of-Gyration Values for Representative Airplanes
	Definitions of Stability
	Longitudinal Dynamic Stability
		Numerical Example
		Comments on α and θ
		Flight Paths
		Approximate Equations
			Short-Period Mode
			Phugoid Mode
		Roots-Locus Plots
	Lateral Dynamic Stability
		Flight Paths
		Approximate Equations
			Spiral Mode
			Rolling Mode
			Dutch-Roll Mode
		Roots-Locus Plots
		Stability-Boundary Plot
	Addendum
Chapter 7: Performance
	Glide Tests
	Equilibrium Flight
		Trim State
		Full Solution
		Performance Parameters
	Take-Off Run
		Wood’s Methodology
	Final Comments
Chapter 8: Balloons and Airships
	Free Balloons
	The Physics of Buoyancy
	Tethered Balloons
	Airships
	Aerodynamics of Finned Axisymmetric Bodies
		A Method for Calculating the Longitudinal Static Aerodynamic Coefficients
		Example 1: Small Aerostat
		Example 2: Airship ZRS-4 “Akron” 5.98m Wind-Tunnel Model
		Example 3: Goodyear “Wingfoot2” Airship (Zeppelin LZ N07)
		Example 4: TCOM CBV-71 Aerostat
		Summary of Example Parameters
	Aerodynamic Corrections for Inflated Fins
	Additional Observations about Aerostats
	Lateral Force and Yawing Moment Calculation
	Airship Aerodynamic Mystery
	Matlab Program
Appendix A: Multhropp Body-Moment Equation
Appendix B: Alternative Swept-Wing Analysis
Appendix C: Rigid-Body Equations of Motion
Appendix D: Apparent-Mass Effects
Appendix E: Lift of Finite Wings Due To Oscillatory Plunging Acceleration
Index