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  • 1995-1999  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Transport of impurity ions along the field lines in magnetized plasma (1996)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 3 (1996), S. 1324-1330 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A simple one-dimensional model describing the spread of laser blow-off injected ions along the magnetic field lines is presented. The model is based on the kinetic theory. A closed set of kinetic equations that contain a Coulomb collision term is solved numerically. For impurity density less than the plasma density, the effect of the ambipolar electric field is negligible, as shown. The results of the model calculation are compared with experimental results obtained on the Tokamak Experiment for Technically Oriented Research (TEXTOR) [H. Soltwisch et al., Plasma Phys. Controlled Fusion 26, 23 (1984)] tokamak by the use of injection of lithium atoms, and the agreement is satisfactory. The results of the model and possible applications for diagnostic purposes are discussed in detail. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.871756
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Aluminum micropellets for hot plasma diagnostics (1995)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 66 (1995), S. 2904-2907 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A novel technique for the injection of small (diameter ≤30 μm) impurity pellets into fusion plasmas is proposed and investigated. The method may be easily applied by using a special target plate in conventional laser blow-off injection devices. In the present experiments 10×30×30 μm size aluminum pellets (≈5×1014 atoms) are accelerated to average velocities up to 1 km/s by a 700 mJ ruby laser pulse. The scaling law obtained from a rocket model to the pellet velocity versus laser fluence fits well to experimental data and enables one to extrapolate the capabilities of the technique. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1145575
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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