Studies of current sheath evolution in a small plasma focus device

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dc.contributor.authorSilva, P.
dc.contributor.authorFavre Domínguez, Mario Benjamin
dc.contributor.authorChuaqui, Hernán
dc.contributor.authorWyndham Hodder, Edmund Sydenham
dc.contributor.authorChoi, P.
dc.date.accessioned2022-05-20T14:30:37Z
dc.date.available2022-05-20T14:30:37Z
dc.date.issued1996
dc.description.abstractWe present preliminary time and space resolved studies of current sheath formation in Plasma Focus discharges, using a novel array of non invasive magnetic field probes. The experiments are performed in a Mather type plasma focus, which is powered by a 9 µf capacitor bank, operating at 30 kV. The discharge is formed between a hollowed anode and six symmetrically arranged cathode rods. The array of small magnetic probes is located along the cathode rods. The probes are of millimeter size. They are shielded behind the rods, as to minimize capacitive coupling to the anode electrode, and allow nonperturbing measurements to be made. The array probe signals are recorded simultaneously, with 2 ns time resolution. Other available diagnostics include voltage and current probes in the ex1emal circuit, filtered PIN diodes located side and end on, and a multi-pinhole x-ray camera. A simple analytical model of current sheath evolution is used to interpret the probe signals. The experiments have been performed in pure Hydrogen and Hydrogen with Argon mixture, at pressures from below 0.2 Torr upwards. The effect of the Argon mixture on the current sheath structure is investigated with the probe array. It is found that at constant mass density operation, the increase in the percentage of Argon results in a thinner sheath, with steeper current profile.
dc.fuente.origenIET
dc.identifier.isbn9788090225039
dc.identifier.urihttps://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=6308389
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/64240
dc.information.autorucInstituto de física ; Favre Domínguez, Mario Benjamin ; S/I ; 99732
dc.information.autorucInstituto de física ; Chuaqui, Hernán, 1943- ; S/I ; 98761
dc.information.autorucInstituto de física ; Wyndham Hodder, Edmund Sydenham ; S/I ; 100407
dc.language.isoen
dc.nota.accesoContenido parcial
dc.pagina.final573
dc.pagina.inicio570
dc.publisherIET
dc.relation.ispartofInternational Conference on High-Power Particle Beams (11° : 1996 : Praga, República Checa)
dc.rightsacceso restringido
dc.titleStudies of current sheath evolution in a small plasma focus devicees_ES
dc.typecomunicación de congreso
sipa.codpersvinculados99732
sipa.codpersvinculados98761
sipa.codpersvinculados100407
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