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
EFFECTIVE THERMAL CONDUCTIVITY AND THERMAL DIFFUSIVITY OF
CATALYSTS AND THEIR SUPPORTS AS FUNCTIONS OF TEMPERATURE
IN VARIOUS GASEOUS MEDIA AND IN VACUUM.
III. RADIATIVE COMPONENT OF THE THERMAL CONDUCTIVITY,
CONTACT THERMAL CONDUCTIVITY, AND CONTRIBUTION OF A
GASEOUS MEDIUM TO THE EFFECTIVE THERMAL CONDUCTIVITY
OF GRANULATED POROUS CATALYSTS AND THEIR SUPPORTS
Kh. Madzhidov
UDC 536.21
It is established on the basis of experimental data that
heat transfer in loads of granulated porous catalysts and
their supports proceeds via intergranule contacts and the
gaseous medium that fills pores and intergranule space,
and by means of radiative heat transfer between granule
surfaces. An equation is obtained that makes it possible
to calculate the effective thermal conductivity of catalysts
and their supports not investigated experimentally as
functions of temperature, granule dimensions, load density,
concentration, and type of introduced metallic particles
in various gaseous media.
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