Physical Processes of SiO2 Spherical Particle Formation in Thermal Plasma Flow


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Аннотация

The paper presents the structural investigations of hollow, spherical powder obtained from the natural siliceous material using the thermal plasma treatment. Experiments show that the obtained hollow SiO2 particles have almost an ideal spherical shape. Based on the analysis of numerical calculations, thermochemical modeling and results of in-situ experiments, we propose a physical model of formation of hollow, spherical particles produced from agglomerated powder using the thermal plasma flow.

Авторлар туралы

V. Vlasov

Tomsk State University of Architecture and Building; National Research Tomsk Polytechnic University

Хат алмасуға жауапты Автор.
Email: rector@tsuab.ru
Ресей, Tomsk; Tomsk

V. Shekhovtsov

Tomsk State University of Architecture and Building

Email: rector@tsuab.ru
Ресей, Tomsk

O. Volokitin

Tomsk State University of Architecture and Building

Email: rector@tsuab.ru
Ресей, Tomsk

G. Volokitin

Tomsk State University of Architecture and Building

Email: rector@tsuab.ru
Ресей, Tomsk

N. Skripnikova

Tomsk State University of Architecture and Building

Email: rector@tsuab.ru
Ресей, Tomsk

A. Klopotov

Tomsk State University of Architecture and Building; Siberian Physical-Technical Institute at Tomsk State University

Email: rector@tsuab.ru
Ресей, Tomsk; Tomsk

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