Embed Size (px)
Citation preview
Department of Mechanical Engineering
Senior Design Team 519: Secure Fit Football
Undershirt
Paul Cunningham, Vivi Huynh, Sawyer O'Bryan,
Nicholas Palestrini, Morgan Sefcik
1
Morgan Sefcik
Department of Mechanical Engineering 2
Paul CunninghamDesign and Materials
Engineer
Vivi HuynhDesign and
ManufacturingEngineer
Nicholas PalestriniProduct Development
and Data Engineer
Morgan SefcikProject Manager and
Design Engineer
Team Introduction
Sawyer O'BryanDesign and Materials
Engineer
Morgan Sefcik
Department of Mechanical Engineering
Sponsor and Advisor
3
SponsorMike Holloway
Survivor 30th Season Winner
Academic AdvisorChristian Hubicki, Ph.D.
Assistant ProfessorMorgan Sefcik
Department of Mechanical Engineering
Project Objective
4
The objective of this project is to reduce injuries of football players through the improvement of shoulder pads.
Morgan Sefcik
Department of Mechanical Engineering 5
Key Goals
OptimalFit
Lifespan and Durability
Prevent Restrictions
ofMovement
Morgan Sefcik
Department of Mechanical Engineering
Fundamental Needs
6
Lightweight, Non-bulky
Compatible With Other Products in
Markets
Improved Protection, Lessens Danger
Points
Morgan Sefcik
Department of Mechanical Engineering
Selected Design
7
Morgan Sefcik
Department of Mechanical Engineering
Undershirt Design
8
Morgan Sefcik
Department of Mechanical Engineering
Collar Designs
9
Morgan Sefcik
Department of Mechanical Engineering
Methods of Validation:Undershirt
10
Sawyer O'Bryan
Department of Mechanical Engineering
Fit Optimization: Shoulder Mold
11
Sawyer O'Bryan
Measurement: Dimensions (m) and Volume (m^3) of mold
Department of Mechanical Engineering
Slip Test
12
Sawyer O'Bryan
Measurement: Displacement (m)
AppliedForce
AppliedForce
Department of Mechanical Engineering
Slip Test
13
Sawyer O'Bryan
Measurement: Displacement (m)
Δx
ΔyΔy
Δx
Department of Mechanical Engineering
Impact Test
14
Sawyer O'Bryan
Measurement: Force (N)
Force Sensor
Department of Mechanical Engineering
Impact Test
15
Sawyer O'Bryan
Measurement: Force (N)
AppliedForce
Force Sensor
AppliedForce
Department of Mechanical Engineering
Methods of Validation:Air Pockets
16
Nicholas Palestrini
Department of Mechanical Engineering
Air Damping: Drop Test
17
Nicholas Palestrini
Measurement: Amplitude of Oscillations, time to return to equilibrium (s)
Mass
m*g
AiAir Pocket Air Pocket
Department of Mechanical Engineering
Air Damping: Nozzle Model Problem
18
Nicholas Palestrini
Measurement: Velocity (m/s)
Air Pocket 1
Converging Diverging
Air Pocket 2
Motion Equationm*a + c*v + k*x = 0
Department of Mechanical Engineering
Air Damping: Nozzle Model Problem
19
Nicholas Palestrini
Measurement: Velocity (m/s)
Air Pocket 1
Converging Diverging
Air Pocket 2
Motion Equationm*a + c*v + k*x = 0
Department of Mechanical Engineering
Air Damping: Nozzle Model Problem
20
Nicholas Palestrini
Measurement: Velocity (m/s)
Air Pocket 1
Converging Diverging
Air Pocket 2Air Flow
Motion Equationm*a + c*v + k*x = 0
Department of Mechanical Engineering
Air Damping: Nozzle Model Problem
21
Nicholas Palestrini
Measurement: Velocity (m/s)
Air Pocket 1
Converging Diverging
Air Pocket 2Air Flow
Motion Equationm*a + c*v + k*x = 0
Department of Mechanical Engineering
1
Air Damping: Nozzle Model Problem
22
Nicholas Palestrini
Air Flowcaused by tackle
2 3
Throat (t)Inlet (i) Outlet (e)
m = constant = ρ*A*V
Ai At Ae
Department of Mechanical Engineering
References
1. Crew, B. (n.d.). Physicists Might Have Just Solved The Mystery of Non-Newtonian Fluids. Retrieved November 06, 2020, from https://www.sciencealert.com/physicists-might-have-just-solved-the-mystery-of-non-newtonian-fluids
2. Elliott, P. W., PhD. (217). We’re Working with Padding Manufacturers to
Develop SaferiSystems and Differentiate Products. Retrieved October 30, 2020,
from http://asetservices.com/wp-content/uploads/2018/08/mat-pit-pad-introducton.pdf
3. Foam Products Company offers a variety of Open Cell and Closed Cell Foams that are made in the U.S.A.
(n.d.). Retrieved November 06, 2020, from https://www.allfoam.com/index.html
4. NASA Technical Reports Server (NTRS). (n.d.). Retrieved October
30, 2020, from https://ntrs.nasa.gov/citations/201600062815. Schutt Air XP Pro Q10 Football Helmet. (n.d.). Retrieved November 06, 2020, from https://www.schuttsports.com/air-xp-
pro-q10-football-helmet.html6. Vinoski, J. (2019, May 29). Guarding Against Concussions: Startup Auxadyne Makes Ultra-Cushioning Foam For Helmets,
Prosthetics. Retrieved November 06, 2020, from https://www.forbes.com/sites/jimvinoski/2019/05/24/auxadynes-foam-padding-might-just-save-your-head-and-other-parts-too/?sh=2f8c15853969
7. Broekaart, D. Foam Indentation with Abaqus FEA. Retrieved November 06,
2020, from https://info.simuleon.com/blog/foam-indentation-with-abaqus-fea
23
Nicholas Palestrini
Department of Mechanical Engineering
Contact Information
24
Nicholas Palestrini
Vivi HuynhEmail: [email protected]: +1 (850) 341-6531LinkedIn: https://qrgo.page.link/wmcnz
Sawyer O'BryanEmail: [email protected]: +1 (850) 557-3995LinkedIn: https://qrgo.page.link/NxotS
Nicholas PalestriniEmail: [email protected]: +1 (813) 716-6292LinkedIn: https://qrgo.page.link/tJnXR
Morgan SefcikEmail: [email protected]: +1 (904) 718-4838LinkedIn: https://qrgo.page.link/EfpbR
Paul CunninghamEmail: [email protected]: +1 (850) 556-0917LinkedIn: https://qrgo.page.link/YFhgd
Department of Mechanical Engineering 25
Nicholas Palestrini
Department of Mechanical Engineering 80
