Temperature profiles and l=1 nonuniformity within cryogenic icf targets

A thermal model of an OMEGA-scale cryogenic inertial confinement fusion (IC F) target within the layering sphere of the OMEGA Cryogenic Target Position er was created. A computational fluid dynamics code was used to calculate t he temperature profile in the target. The sensitivity of the temperature pr ofiles was modeled for variations in (1) target alignment in the layering s phere, (2) target specifications, and (3) temperature uniformity on the lay ering sphere's inner surface. DT-ice non-uniformity in the target was deter mined by offsetting the center of the ice's void to a position that minimiz ed the temperature variance of the ice surface. The numerical solutions wer e compared to analytical solutions when available.