Question: Prob. 1) Heat transfer parameters in various power reactors For the set of reactor parameters given below, calculate for each reactor type: a) Equivalent core

(kW/m) d) Core-wide average heat flux at the interface between the rod and the coolant,
(MW/m]) Quantity PWR BWR PHWR LMFBR HTGR (CANDU) Core power level (MWt) 3800 3579 2140 780 3000 % of power deposited in 96 96 95 98 100 fuel rods Fuel assemblies/core 241 732 4560 198 3944 Assembly lateral spacing 207 152 280 144 361 (mm) (square (square (square (across (across pitch) pitch) pitch) hexagonal flats) hexagonal flats) Fuel rods/assembly 236 62 37 217 72 Fuel rod length (mm) 3810 3760 480 914 787 Fuel rod diameter (mm) 9.7 12.5 13.1 5.8 21.8
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