Homepage Forums Journal articles Modeling of the Dynamic Plasma Pinch

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    AvatarRezwan
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    H. Gonzalez et all report a new one-dimensional model for the DPF and show that it can accurately predict neutrons yields for a range of conditions.

    Abstract: Dynamic plasma pinches occur in a variety of devices, as Z -pinches and plasma focus. In this paper, a lumped parameter model of a dynamic plasma pinch produced in a plasma focus discharge is presented. The model is based in Von Karman approximations of the radial density and velocity profiles, which leads to the reduction to a system of ordinary differential equations describing the dynamic evolution of the pinch compression and expansion. The model was coupled with a fusion kernel to produce an estimate of the neutron yield per pulse. The calculations were tested against available data of the pressure–yield curve of seven experimental devices ranging from 1 to 250 kJ, showing excellent agreement, particularly regarding the curvature of the pressure–yield curve.

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