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A Numerical Model of Bubbling Thermoplastics

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Energy Equation<br />

RT<br />

E<br />

p<br />

p<br />

v<br />

p<br />

Be<br />

H<br />

z<br />

T<br />

k<br />

z<br />

z<br />

T<br />

W<br />

t<br />

T<br />

c<br />

/<br />

*<br />

*<br />

*<br />

)<br />

(<br />

−<br />

−<br />

⎟<br />

⎠<br />

⎞<br />

⎜<br />

⎝<br />

⎛<br />

∂<br />

∂<br />

∂<br />

∂<br />

=<br />

⎟<br />

⎠<br />

⎞<br />

⎜<br />

⎝<br />

⎛<br />

∂<br />

∂<br />

+<br />

∂<br />

∂<br />

φ<br />

ρ<br />

ρ<br />

k<br />

p<br />

k<br />

k<br />

k<br />

p<br />

c<br />

c ∑<br />

= φ<br />

ρ<br />

ρ<br />

*<br />

)<br />

(<br />

where<br />

∑<br />

∑<br />

=<br />

k<br />

k<br />

k<br />

k<br />

k W<br />

W<br />

φ<br />

ρ<br />

φ<br />

ρ<br />

*<br />

g<br />

p<br />

g<br />

p<br />

k<br />

k<br />

k<br />

φ<br />

φ<br />

)<br />

(<br />

)<br />

(<br />

* =

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