A Numerical Model of Bubbling Thermoplastics

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A Numerical Model of Bubbling Thermoplastics

A Numerical Model of Bubbling Thermoplastics

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Effects <strong>of</strong> Bursting Delay in PP<br />

Drainage time = 0 sec<br />

0.01 sec

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<strong>Numerical</strong> <strong>Model</strong>

Effects <strong>of</strong> Bursting Delay in PP Drainage time = 0 sec 0.01 sec

Page 1 and 2: A Numerical Model of Bubbling Therm
Page 3 and 4: Microscopic Photographs of PMMA Kas
Page 5 and 6: • Polymer ∂ ∂t •Gas ∂ ∂
Page 7 and 8: • Nucleation • Bubble growth
Page 9 and 10: Secondary Nucleation 1 m 5 m Yarin
Page 11 and 12: Bubble Migration • Driven by grav
Page 13 and 14: Bubble Velocity Nearing Interface B
Page 15 and 16: Thin-film Drainage
Page 17: Bubble Model R & ∆poly → ∆gas
Page 21 and 22: Temperature vs Time for Sample Surf
Page 23 and 24: PP vs. PMMA
Page 25: Conclusions • Bubbling behavior i