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rdf:type
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Description
| - Experiment ukazuje, že energetická bilance při implosi sestavy drátků není správně vysvětlena. Ve skutečnosti radiační výnos přesahuje kinetickou energii implose několikrat. Možné vysvětlení je ve vazbě magnetické a kinetické energie v procesu vývoje magnetohydrodynamických nestabilit, což poskytne dodatečnou energii. Odtud význam modelování nestabilit následujících po implosi drátkové sestavy, jež dovolí zjistit jak je magnetická energie svázána s radiačním výnosem. Proto jsme provedli třírozměrné hybridní simulace celého procesu. Modelovaní používá profily hustoty plasmatu a magnetického pole získané z experimentu . Tyto profily nesplňují tlakovou rovnováhu a liší se od profilu Bennetovy rovnováhy. Mají za následek rychlejší růst nestabilit spojený s přenosem magnetické energie do pohybu plazmatu a tudiž do energie kinetické. (cs)
- Experimental evidence suggests that the energy balance between processes in play during wire array implosions is not well understood as the radiative yields can exceed by several times the implosion kinetic energy. This can be due to coupling from magnetic energy to kinetic energy as magnetohydrodynamic plasma instabilities develop. It is thus important to model the instabilities produced in the after implosion stage of the wire array in order to determine how the stored magnetic energy can be connected with the radiative yields. To this aim three-dimensional hybrid simulations have been performed. They are initialized with plasma radial density profiles deduced in recent experiments that exhibited large x-ray yields, together with the corresponding magnetic field profiles. Unlike previous work, these profiles do not satisfy pressure balance and differ substantially from those of a Bennett equilibrium.
- Experimental evidence suggests that the energy balance between processes in play during wire array implosions is not well understood as the radiative yields can exceed by several times the implosion kinetic energy. This can be due to coupling from magnetic energy to kinetic energy as magnetohydrodynamic plasma instabilities develop. It is thus important to model the instabilities produced in the after implosion stage of the wire array in order to determine how the stored magnetic energy can be connected with the radiative yields. To this aim three-dimensional hybrid simulations have been performed. They are initialized with plasma radial density profiles deduced in recent experiments that exhibited large x-ray yields, together with the corresponding magnetic field profiles. Unlike previous work, these profiles do not satisfy pressure balance and differ substantially from those of a Bennett equilibrium. (en)
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Title
| - Hybrid simulation of the Z-pinch instabilities for profiles generated during wire array implosion in the Saturn pulsed power generator
- Hybrid simulation of the Z-pinch instabilities for profiles generated during wire array implosion in the Saturn pulsed power generator (en)
- Hybridní simulace nestabilit Z-pinče s profily buzenými během imploze drátkové sestavy v pulzním generátoru SATURN (cs)
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skos:prefLabel
| - Hybrid simulation of the Z-pinch instabilities for profiles generated during wire array implosion in the Saturn pulsed power generator
- Hybrid simulation of the Z-pinch instabilities for profiles generated during wire array implosion in the Saturn pulsed power generator (en)
- Hybridní simulace nestabilit Z-pinče s profily buzenými během imploze drátkové sestavy v pulzním generátoru SATURN (cs)
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skos:notation
| - RIV/68378289:_____/05:00043016!RIV07-AV0-68378289
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(IAB3042106), Z(AV0Z30420517)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/68378289:_____/05:00043016
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - GLOBAL MAGNETOHYDRODYNAMIC INSTABILITIES; HALL FLUID MODEL; PLASMA; FLOW (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Trávníček, Pavel
- Fiala, Vladimír
- Hellinger, Petr
- Leboeuf, J. N.
- Sotnikov, V. I.
- Coverdale, C. A.
- Deeney, C.
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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is http://linked.open...avai/riv/vysledek
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