The Dinh Pa A Multidisciplinary Learning Tool

1
The Dinh PaA Multidisciplinary Learning Tool

• Paul French, SUNY College at Oneonta
• Tim Ploss, SUNY College at Oneonta
• Julie Arrighi, Rensselaer Polytechnic Institute

2
Overview

• The Disciplines and the Structure of the Project
• The Dinh Pa
• Physics Analysis
• Results

3
Multidisciplinary

• Music and Instrument Design
• Mathematics
• Engineering
• Physics/Acoustics

4
(No Transcript)
5
The Traditional vs. The Oneonta Dinh Pa

• Vietnamese
• Bamboo
• Pentatonic
• Strapped together with twine

• PVC pipe
• Chromatic
• Wood frame
• Longest pipe-306 cm
• Height 170 cm
• Width-230 cm
• Weight-220lbs

6
Music Instrument Design

• Interest
• Aesthetic judgment
• Practical decisions

7
Mathematics

• FFT

8
(No Transcript)
9
Low Frequency vs. High Frequency
10
Mathematics

• FFT
• Differential Equations

11
(No Transcript)
12
EngineeringErgonomics, Durability, Cost,
Portability, Aesthetic Factors, Safety

• Background Research
• Grant Proposal
• Prototypes and Testing
• Pipe factors
• Mallet
• Stand

13
The construction
14
(No Transcript)
15
EngineeringErgonomics, Durability, Cost,
Portability, Aesthetic Factors, Safety

• Background Research
• Grant Proposal
• Prototypes and Testing
• Pipe factors
• Mallet
• Stand
• Final Product

16
The Dinh PaJamas
17
Physics

• Standing Wave ?2L
• ?fv
• End Correction L L 2e
• Levine and Schwinger (Phys. Rev. Feb. 1948), e
  0.6133r
• Our results e 0.5295 r
• Speed of Sound

18
(No Transcript)
19
Summary

• Successful learning experience
• Good instrument and design process
• Results
• End Correction 13 or 4
• Speed of Sound 0.5

20
Future Work

• Check calibration of tuner
• Adjust for thermometer lag
• Collect data over a wider temperature range
• Redesign Mallet

21
Thank you!

• The SUNY College at Oneonta Foundation, Inc., and
  the Committee on Research
• Al Read, Steven Button
• Physics 204 honors students Neville Campbell,
  John Collins, Sushrut Patil, Carolyn Bauer, Tom
  Davis, Erik Rockwell
• Work Study Students Melissa Stanley, Elizabeth
  Tolley, Patrick Cole
• Pie in the Sky, Farmhouse Restaurant