ORNL-TM-7207 - the Molten Salt Energy Technologies Web Site
ORNL-TM-7207 - the Molten Salt Energy Technologies Web Site
ORNL-TM-7207 - the Molten Salt Energy Technologies Web Site
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.,.,. . . .,<br />
, .. . . . . . . .<br />
%..+P<br />
45<br />
ORkL -DWG 80-4270 ETD<br />
EXTE R IO w<br />
CHANNEL<br />
TSALT = m8<br />
Fig. 10. Iso<strong>the</strong>rms in graphite at location of maximum temperature<br />
("C). Film heat-transfer coefficient h equals 0 where shown and equals<br />
80% of Dittus-BoePter correlation value elsewhere.<br />
Table 23. Thermal-hydraulic data for DMSR core<br />
FLOW area, m2<br />
Interior channel<br />
Exterfor core A<br />
Exterior core R<br />
<strong>Salt</strong> velocity, m/s<br />
Interior channel<br />
Exterior core A<br />
Exterior core B<br />
Reynolds number<br />
Interior channel<br />
Exterior core A<br />
Exterior core R<br />
b<br />
Heat-transfer coefficient,<br />
W rnW2 K-l<br />
Interior channel<br />
Exterior core A<br />
Exterior core R<br />
Channel<br />
~~ ~<br />
a<br />
Hot Average<br />
2.025 x 10-3 2.025 x 10-3<br />
4.580 10-3 4.580 x 10-3<br />
2.601 x 10-3 2.601 x 10-3<br />
0.601 0.441<br />
0.418 0.307<br />
0.735 0.540<br />
1.034 x io5 7.592 x 104<br />
6.959 x lo4 4.962 x io4<br />
6.490 x lo4 4.765 x lo4<br />
173 7%<br />
I30 59<br />
232 145<br />
~~~<br />
a<br />
Maximmdaverage power is 1.362 over cures A and B.<br />
'Obtained by using 802 of Dittus-Boelter correlation<br />
value.