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Science of the Perfect Swing [Hardback]

4.25/5 (6 ratings by Goodreads)
  • Formāts: Hardback, 288 pages, height x width x depth: 239x155x23 mm, weight: 522 g, 147 illustrations
  • Izdošanas datums: 21-Jan-2016
  • Izdevniecība: Oxford University Press Inc
  • ISBN-10: 0199382190
  • ISBN-13: 9780199382194
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  • Hardback
  • Cena: 52,11 €
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Science of the Perfect SwingPalielināt
  • Formāts: Hardback, 288 pages, height x width x depth: 239x155x23 mm, weight: 522 g, 147 illustrations
  • Izdošanas datums: 21-Jan-2016
  • Izdevniecība: Oxford University Press Inc
  • ISBN-10: 0199382190
  • ISBN-13: 9780199382194
Citas grāmatas par šo tēmu:
Permanent link: https://www.kriso.lv/db/9780199382194.html
Keywords:
While golf has a popular following among casual fans, it has become popular among another passionate yet unlikely group: scientists. Beyond the caddies, carts, and clubs, the game of golf is an applied science. The seemingly simple act of striking a golf ball invokes a wide range of processes, including physics principles such as energy transfer, kinetics, launch angles, spin, and momentum. However, in spite of the growing interest in the fledgling field of "golf science," few books thus far have provided a comprehensive introduction of the subject.
In The Science of the Perfect Swing, mechanical engineer Peter Dewhurst offers a full treatment of the science of modern golf. Based on three decades of experience in the physics of golf, Dewhurst examines topics such as the interaction between club face and ball, various aspects of trajectory and impact, and the physics of putting. Rich in illustrations, graphs, and charts, Dewhurst presents physics-based discussions in an accessible format. Each chapter also contains a substantial "Findings and Consequences" section, which draws conclusions based on the science, and makes recommendations on ball-striking and other facets of the game. From the mechanics of club design to modeling the trajectory of the ball once it leaves the club face,The Science of the Perfect Swing unravels some of the elusive mysteries about what it takes to play a great game of golf.
Interesting and informative, The Science of the Perfect Swing strikes a perfect balance between hard science and an accessible tone that will appeal to golf enthusiasts, engineers, and general readers of sports science.

Recenzijas

Excellent book... A very worthy addition to the literature on the science of sport. * Frank Berkshire, Contemporary Physics * A perfect gift for the golf-playing scientist at any level * Dominic Lenton, Engineering & Technology Magazine * Interesting and informative, The Science of the Perfect Swing strikes a perfect balance between hard science and an accessible tone that will appeal to golf enthusiasts, engineers, and anyone with an interest in sports science. * Golf Business News * The book presents a wealth of experimental data about how different equipment and striking parameters affect distance and spin. * Cliff and Rich Frohlich, American Journal of Physics *

Preface---important notes to the reader xi
Acknowledgments xiii
1 Introduction
1(14)
Important developments in golf equipment over the past 50 years
5(1)
A brief discussion of moment of inertia (Mol) in golf
6(1)
Back to the history
7(8)
2 Ball flight
15(24)
The game without dimples
15(1)
The golf ball as a projectile
16(2)
The golf ball takes flight
18(6)
The effects of atmospheric pressure and ball weight
24(1)
The effects of head- and tailwinds
25(1)
Curved ball flight
26(3)
Effect of head- and tailwinds on hooks and slices
29(1)
Effect of crosswinds
29(2)
Optional Reading---The Supporting Physics
31(1)
2.1 Aerodynamic forces
31(1)
2.2 Lateral and drag force coefficients
32(3)
2.3 Components of the drag and lateral forces in 3-dimensional flight
35(3)
2.4 Effect of winds on ball flight
38(1)
3 Basic fundamentals of ball striking
39(56)
Contact time between club and ball
39(1)
Contact force between ball and club face
40(2)
Ball speed relationships
42(1)
(a) Club head speed factor
42(2)
(b) Restitution Factor (1 + CofR)
44(1)
(c) Mass factor = club head mass/(club head mass + ball mass)
45(2)
The swing
47(10)
Controlling the club loft
57(5)
Effect of loft on ball launch angle
62(1)
Effect of loft on ball speed
63(4)
Estimating approximate values for CofR
67(1)
Effective impact mass
68(4)
Effect of impact speed on CofR
72(1)
Effect of impact speed on backspin
73(2)
The power of the modern drive
75(4)
Optional Reading---The Supporting Physics
79(1)
3.1 Introduction to the science of ball striking
79(1)
3.2 Dynamic loft
79(2)
3.3 Wedge angle effects on ball speed
81(2)
3.4 Determining dynamic loft from launch data
83(3)
3.5 The effective impact mass of the golf club
86(7)
3.6 Relationships between impact speed, impact force, contact time, and CofR
93(2)
4 The generation of ball spin
95(52)
Types of golf balls and spin rates
95(3)
Spinning and gripping
98(5)
Ball cannon testing
103(3)
Increased and decreased spin rates in "grassy" lies
106(3)
The mechanism of overspin creation in golf striking
109(2)
Application of the SCofR to ball striking
111(9)
Gear effect spin
120(5)
Optional Reading---The Supporting Physics
125(1)
4.1 Wedge angle effects on spin rate and launch angle
125(2)
4.2 Ball cannon testing
127(3)
4.3 Effect of shaft mass on ball spin and launch angle
130(1)
4.4 Gear effect on ball spin
131(4)
4.5 The full complexities of spin generation in oblique impact
135(12)
5 Analysis and formulation of rules for curved ball flight
147(26)
Vertical and horizontal launch angles
147(3)
Ball spin axis tilt
150(1)
Lateral deviation of hooks and slices
151(7)
Curved shots to defined targets
158(1)
Further examples
159(3)
Optional Reading---The Supporting Physics
162(1)
5.1 Analysis of the sideways components of launch angle and spin rate
162(3)
5.2 Estimating the tilt of the spin axis
165(1)
5.3 Rules for curved ball flight to the target
166(7)
6 A general model of driver impact and ball flight
173(28)
Design parameters of a typical driver
173(1)
The "straight" shot
174(5)
Driver strikes offset from the face center
179(1)
The Great Big Bertha II---a basis for comparing driver performance
179(8)
Effects of increasing the Mol and the CofR
187(2)
Iron strikes offset from the face center
189(3)
The longest drives on the PGA Tour
192(2)
Optional Reading---The Supporting Physics
194(1)
6.1 The 3-dimensional ball striking model
194(2)
6.2 Eleven equations of motion
196(2)
6.3 Application of the equations of motion
198(3)
7 Putting
201(44)
Earlier investigations and other sources of information
201(1)
Slipping and pure rolling
202(3)
The "speed" of greens
205(3)
The mechanics of launching the ball
208(6)
Capturing the ball in the hole
214(3)
Putting up or down the slope
217(2)
Putting across sloping greens
219(2)
Effect of imbalance of the golf ball (with David Marsh, 2013)
221(7)
Optional Reading---The Supporting Physics
228(1)
7.1 The science of ball striking with the putter
228(2)
7.2 The roll of the golf ball on a level green
230(5)
7.3 Putting straight up or down a sloping green
235(2)
7.4 Putting across a sloping green
237(2)
7.5 More sophisticated models: Rolling with skidding and slipping; velocity dependence on turf resistance
239(3)
7.6 Conditions for capturing the ball
242(3)
Appendix A Energy transfer during club-ball collision
245(10)
Rigid surface collisions
245(5)
Driver ball impacts
250(5)
Appendix B Distance error propagation in putting
255(4)
References 259(6)
About the Author 265(2)
Index 267
Peter Dewhurst graduated first in class as a mathematics major at the University of Manchester in the UK, and was elected Sir Charles Reynold Research Fellow to continue research in applied mathematics and engineering mechanics for the Ph.D. Other awards, in his career, have included the Taylor Medal from the International College of Production Research, the President's award from the Society of Plastics Engineers, the Rhode Island Governor's award for Technology, and the U.S. National Medal of Technology from President Bush senior. He recently left University teaching and research to devote time to writing and golf equipment design. He is Professor Emeritus in Theoretical and Applied Mechanics, and Industrial Engineering, at the University of Rhode Island, where he was two-time winner of the Carlotti Award for research excellence.