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DE200415006531

Publication Date	2003
Personal Author	Sanchez, J. J.
Page Count	22
Abstract	A conceptual design for a low pressure, room temperature, fill system suitable for ignition target capsules is described. The fill system relies on the use of a 5 -10 micron diameter fill tube connecting directly the target capsule to a DT fuel reservoir. The design uses a small reservoir to store the DT fuel at room temperature within the target assembly. A model of the design is developed and used to calculate reservoir size, layer thickness control, and control sensitivity. A procedure to fill the target in-situ after cooling the assembly to cryogenic temperatures using temperature control of the reservoir is also described. The effects of He3 generation and fuel contamination are also discussed.
Keywords	Design Capsules Targets Fuel capsules Ignition Fuels Reservoirs Temperature Model Cryogenics Contamination National Ignition Facility (NIF) Fill system Plastic capsules Beryllium capsules
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Lawrence Livermore National Lab., CA.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200416

Conceptual Design of Low Pressure, 300 Degrees K Fill System for Ignition Target Capsules with Micro Size Fill Tubes.

Conceptual Design of Low Pressure, 300 Degrees K Fill System for Ignition Target Capsules with Micro Size Fill Tubes.
DE200415006531

Publication Date	2003
Personal Author	Sanchez, J. J.
Page Count	22
Abstract	A conceptual design for a low pressure, room temperature, fill system suitable for ignition target capsules is described. The fill system relies on the use of a 5 -10 micron diameter fill tube connecting directly the target capsule to a DT fuel reservoir. The design uses a small reservoir to store the DT fuel at room temperature within the target assembly. A model of the design is developed and used to calculate reservoir size, layer thickness control, and control sensitivity. A procedure to fill the target in-situ after cooling the assembly to cryogenic temperatures using temperature control of the reservoir is also described. The effects of He3 generation and fuel contamination are also discussed.
Keywords	Design Capsules Targets Fuel capsules Ignition Fuels Reservoirs Temperature Model Cryogenics Contamination National Ignition Facility (NIF) Fill system Plastic capsules Beryllium capsules
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Lawrence Livermore National Lab., CA.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200416