Define the major variables used in a shielding calculation. What are typical values for each.
DRR writes, per NCRP reports No.49 and 51 we consider the workload (W), the use factor (U) the occupancy factor (T), the distance to the barrier (d) and the transmission factor of the shielding factor (B).
For a primary barrier this results in the following formula:
P=(W U T /distance squared)x B
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