Computer Science – Performance
Scientific paper
Apr 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994fnt..symp.....s&link_type=abstract
Presented at the 3rd International Symposium on Fusion Nuclear Technology, Los Angeles, CA, 27 Jun. - 7 Jul. 1994
Computer Science
Performance
Design Analysis, Energy Storage, Plant Design, Pulsars, Radiation Shielding, Thermal Analysis, Thermal Energy, Tokamak Devices, Costs, Heat Exchangers, Helium, Lithium, Mass Flow Rate, Time Dependence
Scientific paper
The PULSAR pulsed tokamak power plant design utilizes the outboard shield for thermal energy storage to maintain full 1000 MW(e) output during the dwell period of 200 s. Thermal energy resulting from direct nuclear heating is accumulated in the shield during the 7200 s fusion power production phase. The maximum shield temperature may be much higher than that for the blanket because radiation damage is significantly reduced. During the dwell period, thermal power discharged from the shield and coolant temperature are simultaneously regulated by controlling the coolant mass flow rate at the shield inlet. This is facilitated by throttled coolant bypass. Design concepts using helium and lithium coolant have been developed. Two-dimensional, time-dependent thermal hydraulic calculations were performed to confirm performance capabilities required of the design concepts. The results indicate that the system design and performance can accommodate uncertainties in material limits or the length of the dwell period.
Bathe C. G.
Blanchard James P.
Brimer C.
Cheng E. T.
El-Guebaly L. A.
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