The Factors Effecting Golf The Factors Effecting Golf Ball AerodynamicsBall Aerodynamics

Harrison DiGia Harrison DiGia

Harry KucharczykHarry Kucharczyk

Period 0,1,7 Period 0,1,7

NeedNeed

Techniques can be applied to more Techniques can be applied to more significant problems significant problems

Flow ControlFlow Control Airplanes Airplanes Gas Turbines Gas Turbines Active DimplesActive Dimples

Knowledge BaseKnowledge Base

Types of Flow Types of Flow Laminar vs. TurbulentLaminar vs. Turbulent

http://www.aviation-history.com/theory/lam-flow.htm

Knowledge BaseKnowledge Base

Flow around Smooth Sphere Flow around Smooth Sphere

http://www.aerospaceweb.org/question/aerodynamics/q0215.shtml

Knowledge BaseKnowledge Base

Flow around Dimpled Sphere (Golf Ball) Flow around Dimpled Sphere (Golf Ball)

http://www.aerospaceweb.org/question/aerodynamics/q0215.shtml

Literature ReviewLiterature Review

Conventional Ball Conventional Ball Hexx Ball Hexx Ball

http://hexxgolf.com/science.html

Literature ReviewLiterature Review

Golf Ball Suspension Golf Ball Suspension SystemSystem

http://eng.monash.edu.au/uicee/worldtransactions/http://eng.monash.edu.au/uicee/worldtransactions/WordTransAbstractsVol5No3/23_NjockLibii15.pdfWordTransAbstractsVol5No3/23_NjockLibii15.pdf

Literature ReviewLiterature Review

http://pdf.aiaa.org/preview/CDReadyMAAC06_1186/PV2006_2996.pdf

Smooth Dimples

Steep Dimples

(Kato, 2005)

Literature ReviewLiterature Review

Formulas Formulas

FFDD = [ 1 – F = [ 1 – FLL//mg mg ] ] mg mg tan 0tan 0maxmax

PurposePurpose

Examine the Effect of Golf Ball Examine the Effect of Golf Ball Characteristics Characteristics

HypothesesHypotheses

Null Hypothesis- The golf balls will all Null Hypothesis- The golf balls will all travel the same distance and have the travel the same distance and have the same accuracy same accuracy

Alternate Hypothesis- The golf ball with Alternate Hypothesis- The golf ball with the most dimples will travel further and be the most dimples will travel further and be less accurate less accurate

MethodologyMethodology

Calloway Big Bertha

332-336 Dimples

Titleist Pro V1xNike One Platinum

392 Dimples

Precept Laddie Titleist N-X-T Tour

Nike TA2-LNG

432 Dimples

Wilson Ultra Precept Lady

Nike Spin and Control

No Dimples

Caesar Dimple- less Ball

Attach to Golf Ball Suspension System (GBSS)Libii (2006)

Record Angle at Different Wind Velocities

Analyze using statistical analysis

Methodology Methodology

Calloway Big Bertha

332-336 Dimples

Titleist Pro V1xNike One Platinum

392 Dimples

Precept Laddie Titleist N-X-T Tour

Nike TA2-LNG

432 Dimples

Wilson Ultra Precept Lady

Nike Spin and Control

No Dimples

Caesar Dimple- less Ball

Launch In Golf Ball Launcher

Record Distance in yards and accuracy in yards (Measure +/- from designated line)

Analyze using a scatter plot graph as well as ANOVA (p<.05) followed by a Scheffe Post Hoc Test