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  • In our contribution we describe the computer model written in the MATLAB programming language that is based on the particle modelling technique. Although this approach is not in the computational point of view the most powerful one, physically it could be very interesting. It minimizes some drawbacks of recently used methods, like the assumptions of Maxwellian electron energy distribution function, constant diffusion coefficients and coefficients of mobility in particle and energy fluxes and others. Moreover, important physical phenomena, like photo-emission, secondary electron emission or thermo-emission can be precisely described and considered in the model. Both the surface charge and dependent quantities can be determined by this way with relatively high accuracy.
  • In our contribution we describe the computer model written in the MATLAB programming language that is based on the particle modelling technique. Although this approach is not in the computational point of view the most powerful one, physically it could be very interesting. It minimizes some drawbacks of recently used methods, like the assumptions of Maxwellian electron energy distribution function, constant diffusion coefficients and coefficients of mobility in particle and energy fluxes and others. Moreover, important physical phenomena, like photo-emission, secondary electron emission or thermo-emission can be precisely described and considered in the model. Both the surface charge and dependent quantities can be determined by this way with relatively high accuracy. (en)
  • V příspěvku popisujeme počítačový model vytvořený v MATLABu, který je založený na částicové modelovací technice a který simuluje nabíjení prachových částic v nízkoteplotním plazmatu. Ačkoliv tento postup není z výpočetního hlediska nejoptimálnější, z fyzikálního pohledu umožňuje získat zajímavé výsledky. Model odstraňuje nedostatky některých v současnosti používaných metod, jako je například předpoklad Maxwelovského rozdělení rychlostí elektronů, předpoklad konstantní hodnoty koeficientu difúze a pohyblivosti atp. Navíc je možno detailně studovat významné fyzikální procesy, jako je například sekundární emise, fotoemise či termoemise elektronů z povrchu částice. (cs)
Title
  • Nabíjení prachových částic v plazmatu - studium metodami počítačové fyziky (cs)
  • Charging of a grain immersed into plasma: Study by computer simulations
  • Charging of a grain immersed into plasma: Study by computer simulations (en)
skos:prefLabel
  • Nabíjení prachových částic v plazmatu - studium metodami počítačové fyziky (cs)
  • Charging of a grain immersed into plasma: Study by computer simulations
  • Charging of a grain immersed into plasma: Study by computer simulations (en)
skos:notation
  • RIV/60076658:12410/07:00008075!RIV08-AV0-12410___
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  • RIV/60076658:12410/07:00008075
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  • dusty plasma; computer simulations (en)
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  • [31A4D4061F73]
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  • Blažek, Josef
  • Bartoš, Petr
  • Špatenka, Petr
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  • 978-80-7080-658-6
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  • 12410
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