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Effetto delle condizioni al contorno sulla scarica dei filamenti

Effetto delle condizioni al contorno sulla scarica dei filamenti

Aicha Flitti

90,56 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Física
ISBN:
9786208962616
90,56 €
IVA incluido
Disponible

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Questo libro è dedicato alla modellizzazione numerica bidimensionale del trasporto di particelle (elettroni e ioni positivi) in una scarica filamentosa. La configurazione degli elettrodi è di tipo piano-piano, il gas utilizzato è l’azoto e la pressione è quella atmosferica.È stato scelto il modello fluido (accoppiamento dei primi due momenti dell’equazione di Boltzmann: equazione di continuità ed equazione di trasferimento della quantità di moto all’equazione di Poisson). Lo schema numerico utilizzato per la risoluzione delle equazioni di continuità è lo schema numerico FCT-LPE.La risoluzione dell’equazione di Poisson è effettuata in 2D con il metodo Biconjugate Gradient Stabilized (BICGSTAB). Come condizioni al contorno sono state utilizzate condizioni al contorno lisce e dure. Sono stati tracciati la densità elettronica, il campo elettrico assiale e la densità di carica netta.

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