Balmer-alpha line broadening analysis of incandescently heated hydrogen plasmas with potassium catalyst

N.M. Driessen, E.M. Veldhuizen, van, P.J. Noorden, van, R.J.L.J. Regt, de, G.M.W. Kroesen

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Abstract

A special type of incandescently heated plasma, involving the presence of hydrogen and catalyst potassium, has been studied. A computer model has been made to derive the hydrogen temperature and electron density from the Doppler and Stark widths of a measured hydrogen Balmer-alpha profile. Our measurements indicate a temperature of (0.14 – 0.16) eV and an electron density of (4·1012 – 6·1012) cm-3. Occasionally "broad" profiles were observed, the broad, Gaussian part of these lines corresponds to a hydrogen temerature of 13.8-13.9 eV
Original languageEnglish
Title of host publicationProceedings of the 27th International Conference on Phenomena in Ionised Gases (XXVII ICPIG 2005) 17-22 July 2005, Eindhoven, the Netherlands
EditorsE.M. Veldhuizen, van
Place of PublicationEindhoven
PublisherEindhoven University of Technology
Pages08-1/4
Publication statusPublished - 2005
Event27th International Conference on Phenomena in Ionized Gases (ICPIG 2005) - Eindhoven, Netherlands
Duration: 17 Jul 200522 Jul 2005

Conference

Conference27th International Conference on Phenomena in Ionized Gases (ICPIG 2005)
Abbreviated titleICPIG 2005
CountryNetherlands
CityEindhoven
Period17/07/0522/07/05

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    Driessen, N. M., Veldhuizen, van, E. M., Noorden, van, P. J., Regt, de, R. J. L. J., & Kroesen, G. M. W. (2005). Balmer-alpha line broadening analysis of incandescently heated hydrogen plasmas with potassium catalyst. In E. M. Veldhuizen, van (Ed.), Proceedings of the 27th International Conference on Phenomena in Ionised Gases (XXVII ICPIG 2005) 17-22 July 2005, Eindhoven, the Netherlands (pp. 08-1/4). Eindhoven University of Technology.