Aaron Den Boer - 701 Seminar - November 20 2012 - Course Notes
Aaron Den Boer - 701 Seminar - November 20 2012 - Course Notes
Aaron Den Boer - 701 Seminar - November 20 2012 - Course Notes
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Convective Fluid<br />
• There are two types of convection that must be considered:<br />
1. Natural Convection<br />
o<br />
the dissolving solid will develop concentration gradients near the<br />
interface, forming a density gradient in the liquid<br />
1/4<br />
Sh<strong>20</strong>.59 Grm<br />
Sc<br />
R<br />
final<br />
dt<br />
N 3/4<br />
C<br />
C R <br />
Natural<br />
R<br />
0<br />
RdR<br />
1 2 0<br />
t<br />
final<br />
2. Forced Convection<br />
o A velocity field is applied and fixed externally on a system<br />
Sh<strong>20</strong>.6Re<br />
Sc<br />
1/2 1/3<br />
R<br />
final<br />
dt<br />
F 1/2<br />
C<br />
C R <br />
Forced<br />
R<br />
0<br />
RdR<br />
final<br />
1 2 0<br />
t<br />
<strong>20</strong>
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