MATEC Web Conf.
Volume 115, 2017XXXIII Siberian Thermophysical Seminar (STS-33)
|Number of page(s)||4|
|Section||Chapter 5 Heat and mass transfer in multiphase flows|
|Published online||10 July 2017|
A polytropic model of a critical two-phase flow in a bed of spherical particles
Melentiev Energy System Institute SB RAS, 130, Lermontov St., Irkutsk, 664033, Russia
* Corresponding author: firstname.lastname@example.org
The paper is concerned with a model of isenthalpic flow of vapor-water mixture in a fixed bed of solid particles. The mixture expansion process is considered to be polytropic. Similarly to the known problem of gas dynamics of a granular bed we obtained the relationships for calculation of a critical mass velocity. The results of the calculation based on a theoretical model are compared with the experimental data obtained in the packed beds of steel balls, 2 mm and 4 mm in diameter.
© The Authors, published by EDP Sciences, 2017
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