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TABLE OF CONTENTS
Front matter
Frontispiece
Preface
Introduction
1
Introduction
2
Propeller geometry
3
Thrust, power and efficiency
Axial momentum
4
Axial momentum loss
5
Thrust and the mass flow
6
Heavy loading
7
Concentric tubes
Rotation
8
Rotation
9
Rotational efficiency
10
Minimizing the rotational loss
11
The thrust at optimal efficiency
12
The spiral wake
13
Counterrotation
Viscous loss
14
Viscous loss
15
Non-optimized viscous loss
16
Optimizing the viscous loss
Prandtl's tip approximation
17
The nature of the tip loss
18
Two solutions
19
Prandtl's tip model
20
Prandtl's tip with rotation
The exact tip loss
21
The vortex solution
22
The wing lifting line
23
The propeller lifting line
24
Finite blade spacing
25
Applying Lerbs's solution
26
Comparing Prandtl to Lerbs
Blade shape
27
Blade chords before tip loss
28
Blade chords with tip loss
29
Tip sweepback
Design optimizations
31
The optimal tip speed ratio
32
The optimal number of blades