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

Prob. 1) Heat transfer parameters in various
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 diameter and core length b) Average core power density Q" (MW/m]) c) Core-wide average linear heat-generation rate of a fuel rod, (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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