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LOFT Experimental Measurements Uncertainty Analyses. Volume XVIII. Radiation-Hardened Gamma Densitometer
The measurement uncertainty for the LOFT radiation-hardened gamma densitometer installed in the Loss-of-Fluid Test (LOFT) system is analyzed. These densitometers measure the fluid density in the LOFT primary coolant piping during the loss-of-coolant experiments. This measurement uncertainty analysis concluded that the random noise associated with the radiation process randomness and the bias uncertainty associated with the shim calibration procedure are the major sources of uncertainty in measurements made by the LOFT densitometers. The uncertainty ranges from 0.05 to 0.51 Mg/cubic meters, depending on experiment parameters.
LOFT Experimental Measurements Uncertainty Analyses. Volume XVIII. Radiation-Hardened Gamma Densitometer
The measurement uncertainty for the LOFT radiation-hardened gamma densitometer installed in the Loss-of-Fluid Test (LOFT) system is analyzed. These densitometers measure the fluid density in the LOFT primary coolant piping during the loss-of-coolant experiments. This measurement uncertainty analysis concluded that the random noise associated with the radiation process randomness and the bias uncertainty associated with the shim calibration procedure are the major sources of uncertainty in measurements made by the LOFT densitometers. The uncertainty ranges from 0.05 to 0.51 Mg/cubic meters, depending on experiment parameters.
LOFT Experimental Measurements Uncertainty Analyses. Volume XVIII. Radiation-Hardened Gamma Densitometer
G. D. Lassahn (author)
1980
40 pages
Report
No indication
English