Date post: | 18-Dec-2015 |
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Dynamics of Thread Movement in Turbulent
Flow FieldJames HallendorffSuman Sinha RayAlexander L. Yarin
Determine correlation between string length and snapping length or air velocity and snapping length
Snapping Point
5 10 15 20 25 30 350
2
4
6
8
10
12
30 Bar String Length vs. Snap Length
3.5x
String Length
Snap L
ength
Using a fixed-length criteria skews results Compare ratios of width to snapping length
Revised Measurement Strategy
8 10 12 14 16 18 20 220
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
Calculated RatioJudgment Ratio
String Length
Rati
o
Use the frequencies found in the FFT to augment theoretical model
Analyze the movement of the string in a vertical position
Use polymer solution to simulate melt blowing and to compare it to the thread movement model
Future Work
Conclusion: 2 months is not enough