Gas emission from chamber walls |
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Authors: | TJ Dolan |
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Affiliation: | Fusion Energy Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA |
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Abstract: | The neutral gas concentration in the chamber wall of a plasma experiment is described by a one-dimensional diffusion equation in the wall with a nonlinear boundary condition relating to gas emission rates. The equation is transformed to an integral equation, which is solved analytically for short and long times and also numerically. Chamber pressure rise during and after plasma decay is compared with experimental data. |
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