A spent nuclear rod 2 m in length and 20 cm in diameter is encased in concrete, a cylinder 2 m long and 40 cm in diameter. The spent rod generates heat at a rate of 2700 W/m³. For radiation shielding the rod should be buried as deep as possible, however, the surface temperature of the rod should not exceed 200°C. If the thermal conductivity of the soil is 0.27 W/m-K, how deep can the rod be buried?
A spent nuclear rod 2 m in length and 20 cm in diameter is encased in concrete, a cylinder 2 m long and 40 cm in diameter. The spent rod generates heat at a rate of 2700 W/m³. For radiation shielding the rod should be buried as deep as possible, however, the surface temperature of the rod should not exceed 200°C. If the thermal conductivity of the soil is 0.27 W/m-K, how deep can the rod be buried?
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.4P: 1.4 To measure thermal conductivity, two similar 1-cm-thick specimens are placed in the apparatus...
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