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Occupational Radiation Exposure Analysis of US ITER DCLL TBM.

DE2007915541

Publication Date	2007
Personal Author	Merrill, B. J.; Cadwallader, L. C.; Dagher, M.
Page Count	39
Abstract	This report documents an Occupational Radiation Exposure (ORE) analysis that was performed for the US International Thermonuclear Experimental Reactor (ITER) Dual Coolant Lead Lithium (DCLL) Test Blanket Module (TBM). This analysis was performed with the QADMOD dose code for anticipated maintenance activities for this TBM concept and its ancillary systems. The QADMOD code was used to model the PbLi cooling loop of this TBM concept by specifying gamma ray source terms that simulated radioactive material within the piping, valves, heat exchanger, permeator, pump, drain tank, and cold trap of this cooling system. Estimates of the maintenance tasks that will have to be performed and the time required to perform these tasks where developed based on either expert opinion or on industrial maintenance experience for similar technologies. This report details the modeling activity and the calculated doses for the maintenance activities envisioned for the US DCLL TBM.
Keywords	Occupational exposure Radiation doses Thermonuclear reactor materials Lithium Breeding blankets Plasma diagnostics Gamma rays Radioactive materials Pipes Valves Heat exchangers Pumps Tanks Modeling
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Idaho National Engineering Lab., Idaho Falls.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200805
Contract Number	DE-AC07-05ID14517

Occupational Radiation Exposure Analysis of US ITER DCLL TBM.

Occupational Radiation Exposure Analysis of US ITER DCLL TBM.
DE2007915541

Publication Date	2007
Personal Author	Merrill, B. J.; Cadwallader, L. C.; Dagher, M.
Page Count	39
Abstract	This report documents an Occupational Radiation Exposure (ORE) analysis that was performed for the US International Thermonuclear Experimental Reactor (ITER) Dual Coolant Lead Lithium (DCLL) Test Blanket Module (TBM). This analysis was performed with the QADMOD dose code for anticipated maintenance activities for this TBM concept and its ancillary systems. The QADMOD code was used to model the PbLi cooling loop of this TBM concept by specifying gamma ray source terms that simulated radioactive material within the piping, valves, heat exchanger, permeator, pump, drain tank, and cold trap of this cooling system. Estimates of the maintenance tasks that will have to be performed and the time required to perform these tasks where developed based on either expert opinion or on industrial maintenance experience for similar technologies. This report details the modeling activity and the calculated doses for the maintenance activities envisioned for the US DCLL TBM.
Keywords	Occupational exposure Radiation doses Thermonuclear reactor materials Lithium Breeding blankets Plasma diagnostics Gamma rays Radioactive materials Pipes Valves Heat exchangers Pumps Tanks Modeling
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Idaho National Engineering Lab., Idaho Falls.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200805
Contract Number	DE-AC07-05ID14517