Question: A cylindrical reactor core is 4 ft in diameter and 4.8 ft high. The maximum neutron flux is 10 13 The extrapolation lengths are 0.186

A cylindrical reactor core is 4 ft in diameter and 4.8 ft high. The maximum neutron flux is 10 ¹³ The extrapolation lengths are 0.186 ſt in the radial direction and 0.3 ft in the axial direction. The fuel is 20 percent -enriched UO ₂ ν̂ _f = 500 b.

Determine

(a) the neutron flux at the upper and lower rims, and

(b) the maximum heat generated in the fuel in Mev/sec cm ³ and Btu/hr ft.

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