Abstract
Because of the presence of a chamber gas in a particle-beam reactor cavity, non-neutron target debris created from thermonuclear burn will be modified or stopped before it reaches the first reactor wall.The resulting modified spectra and pulse lengths and the cavity overpressure created by the momentum and energy exchange between the debris and gas need to be calculated to determine their effect on the first wall.The purpose of this paper is to present results of the debris-background-gas problem obtained with a one-fluid,two-temperature plasma hydrodynamic computer code model which includes multi-frequency radiation transport.Spherical symmetry, ideal-gas equation-of-state, and LTE for each radiation frequency group were assumed.The transport of debris ions was not included, and all the debris energy was assumed to be in radiation. The calculated X-ray spectra and pulse lengths and the background overpressure are presented. The impact of the initial target spectra on these chamber conditions is discussed.
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