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Lecture 5 - Mechanical Engineering

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Boundary conditions<br />

• Boundary condition at centre<br />

• At the surface:<br />

<br />

<br />

<br />

0<br />

YOx<br />

Deff ( YOx YOx<br />

, )<br />

r<br />

• With beta a mass transfer coefficient<br />

/ <strong>Mechanical</strong> <strong>Engineering</strong> 29-11-2012 21

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