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Heat Transfer Research
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ISSN Druckformat: 1064-2285
ISSN Online: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v39.i7.50
pages 609-618

Heat Transfer in a Plasma Jet Reactor for Melting and Melt Fibrillation of Hard Ceramics

Viktorija Valinciute
Lithuanian Energy institute, Material testing and research laboratory, Breslaujos 3, 44403 Kaunas, Lithuania
Romualdas Kerzelis
Lithuanian Energy institute, Material testing and research laboratory, Breslaujos 3, 44403 Kaunas, Lithuania
Vitas Valincius
Lithuanian Energy Institute, Plasma Processing Laboratory, Breslaujos 3, 44403 Kaunas, Lithuania
Pranas Valatkevicius
Lithuanian Energy Institute, Breslaujos 3, LT-4440, Kaunas, Lithuania
Vladas Mecius
Lithuanian Energy institute, Material testing and research laboratory, Breslaujos 3, 44403 Kaunas, Lithuania

ABSTRAKT

This paper reports the experimental data on the behavior of temperature distribution and heat transfer in a plasma jet reactor with a linear DC plasma torch for high-temperature mineral fiber and spherical granule production from hard ceramics. The operating DC plasma torch characteristics and heat transfer parameters of the plasma jet reactor are generalized in this work. On the basis of the experimental data the optimal operating parameters of plasma device for hard ceramics fiber production were determined. Correlation for calculation of the Nusselt number has been proposed for a high-temperature flow in the plasma jet reactor.


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