Energy density calculations for ball-lightning-like luminous silicon balls

G.S. Paiva, J.V. Ferreira, C.C. Bastos, M.V.P. dos Santos, A.C. Pavão
Departamento de Qu'mica Fundamental, Universidade Federal de Pernambuco, 50740-540, Recife, Pernambuco, Brazil

The energy density of a luminous silicon ball [Phys. Rev. Lett. 98 048501 (2007)] is calculated for a model with a metal core surrounded by an atmosphere of silicon oxides. Experimental data combined with the molecular orbital calculations of the oxidation enthalpy lead to a mean energy density of 3.9 MJ m^-3, which is within the range of estimates from other ball lightning models. This result provides a good evidence to support the silicon-based model.

PACS: 52.80.Mg, 92.60.Pw (all)
DOI: 10.3367/UFNe.0180.201002g.0218
URL: https://ufn.ru/en/articles/2010/2/f/
Web of Science

000279117000006
Scopus

2-s2.0-77954806920
ADS NASA

2010PhyU...53..209P
Citation: Paiva G S, Ferreira J V, Bastos C C, dos Santos M V P, Pavão A C "Energy density calculations for ball-lightning-like luminous silicon balls" Phys. Usp. 53 209–213 (2010)

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Оригинал: Пайва Г С, Феррейра Дж В, Бастос К К, дос Сантос М В П, Павао А К «Расчёт плотности энергии кремниевых светящихся шаров подобных шаровой молнии» УФН 180 218–222 (2010); DOI: 10.3367/UFNr.0180.201002g.0218

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