Heat-transfer characteristics of flowing and stationary particle-bed-type fusion-reactor blankets Page: 5 of 282
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effective thermal conductivity obtained from the literature applied to
flowing beds were utilized in this regard. Experiments were conducted
for various particle sizes, flow channel diameters, and particle'flow
In the second, an annular packed bed was constructed in which heat
was applied through the outer wall by electric hMating of a stainless
steel tube. Cooling occurred at the inner wall of the annular bed by
flowing air through the central tube. A second air stream was allowed
to flow through the voids of the packed bed. An error minimization
technique was utilized in order to obtain the two-dimensional
one-parameter effective conductivity for the bed by comparing the
experimental and theoretically predicted temperature profiles.
Experiments were conducted for various modified Reynolds numbers less
The information obtained in this study are necessary for the
design of flowing-bed-type fusion reactor blankets which serve the
dual purposes of heat transport and tritium breeding as well as for
stationary-bed-type blankets where the purge gas acts only as the heat-
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Nietert, R.E. Heat-transfer characteristics of flowing and stationary particle-bed-type fusion-reactor blankets, report, February 1, 1983; [Livermore,] California. (https://digital.library.unt.edu/ark:/67531/metadc1113214/m1/5/: accessed April 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.