Journal of Engineering Physics and Thermophysics
is a translation of Inzhenerno-fizicheskii Zhurnal,
a publication of the Academic Scientific Complex
"A. V. Luikov Heat and Mass Transfer Institute"
of the National Academy of Sciences of Belarus
Address of the Editorial Office and
the Publisher
TEMPERATURE-DEPENDENT EFFECTIVE THERMAL
CONDUCTIVITY AND THERMAL DIFFUSIVITY OF
CATALYSTS AND THEIR SUPPORTS IN VARIOUS
GAS MEDIA AND IN VACUUM.
1. THERMAL CONDUCTIVITY AND THERMAL DIFFUSIVITY
OF GRANULAR POROUS SUPPORTS AND CATALYSTS
Kh. Madzhidov
UDC 536.21
The basic characteristics of catalysts and their supports
and the results of experimental studies of the thermal conductivity
and thermal diffusivity of some supports and catalysts in the temperature
range of 293-1073 K in vacuum (P = 1.07 Pa) and in an atmosphere
of air, argon, nitrogen, helium, hydrogen and in a gas mixture (0.2NH3
+ 0.3N2 + 0.5H2) are reported. It is established
that as the temperature rises in the all gas media and in vacuum the
thermal conductivity and thermal diffusivity of a burden of the catalysts
and their supports increase according to a linear law and depend on
the size and shape of the granules rather than on their specific surface.
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Scientific-engineering and theoretical
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advertisements published in Inzhenerno-Fizicheskii Zhurnal)
JEPTER74920199518
JEPTER7492018