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MHD EFFECTS ON HEAT TRANSFER IN A MOLTEN SALT BLANKET Sergey Smolentsev, Reza Miraghaie, Mohamed Abdou
 

Summary: MHD EFFECTS ON HEAT TRANSFER IN A MOLTEN SALT BLANKET
Sergey Smolentsev, Reza Miraghaie, Mohamed Abdou
University of California, 44-114 Engineering IV, BOX 951597, Los Angeles, CA 90095-1597
e-mail (Sergey Smolentsev): Sergey@fusion.ucla.edu
Heat transfer in closed channel flows of molten salts
(MS)s, such as FLiBe or FLiNaBe, has been considered
under specific reactor conditions. MHD effects have been
accessed for two blanket concepts: self-cooled MS
blanket, and dual-coolant MS blanket. The effect of heat
transfer degradation due to turbulence reduction by a
magnetic field in the First Wall channels of the self-
cooled blanket was analyzed with the K- model of
turbulence. In the dual-coolant blanket, the MS flow is
laminar. A 2-D MHD code was used to calculate the
laminar velocity profile first. Then, the temperature field
was calculated using a 3-D temperature code. Reasonable
interface temperatures below the material limit of 550 C,
and low heat escape from the breeder zone have been
demonstrated. Model limitations and the ways of their
improvement are also discussed.

  

Source: Abdou, Mohamed - Fusion Science and Technology Center, University of California at Los Angeles

 

Collections: Plasma Physics and Fusion