The Institute of Thermophysics is one of the leading centers in the fundamental
research field of turbulent heat and mass transfer under complex conditions.
Investigations are being carried out in various directions for practical
application in different industries: chemical technology, power engineering, and
The asymptotic theory of a boundary layer was developed at the Institute.
This theory allows one to calculate friction and heat transfer under
perturbation factors (compression, injection, non-isothermal conditions, swirled
flow, etc.) without additional empirical information. This theory has been
experimentally proved, and is now being used for the development of physical
models in different areas of the heat and mass transfer theory.
Several automated thermal-gas-dynamic installations with modern measurement
systems were created at the Institute. Methods for the gas-dynamic heat
protection of surfaces from the effect of high-temperature gas flows are being
studied at the Institute. These methods are of a great interest for modern power
and machine engineering.
In the field of boundary layers with physical-chemical transformations,
transfer processes are being studied on surfaces with evaporation and
condensation, accompanied by heterogeneous chemical reactions, and in a boundary
layer with a combustion front.
Methods for the numerical calculation of turbulent combustion are being
developed using different models of turbulence and chemical kinetics.
Experimental investigations of heat and mass transfer in the detachment and
high-turbulent flows are of a particular interest. Mechanisms of turbulent heat
and mass transfer are being studied in the detachment zones behind large
obstacles, in the two and three-dimensional cavities, and in the near-wall
concurrent and countercurrent jets for subsonic and ultrasonic flow regimes.
In the field of free-convective flows, the following are being studied: heat
transfer through flat liquid layers with various orientations, and heat transfer
from vertical walls, horizontal discs, and other revolving bodies with a
temperature different from the ambient one. These investigations have been
carried out in modes of thermal-gravitation, heat gravitation-capillary, and
mixed (boundaries rotating in a non-isothermal system) convection. These studies
are focused on the relationship between integral heat transfer and the
peculiarities of the flow structure caused by a laminar-turbulent transition
with an increase in Rayleigh, Reynolds, and Marangoni numbers.
Radiation heat transfer is predominantly of a theoretical character.
A theory for integral, differential, and algebraic radiation equations was
developed for the description of the energy transfer process in complex media.
Radiation heat transfer in moving media with volumetric absorption, radiation
and scattering is being studied using numerical simulation of boundary problems.
These problems describe the heat and mass transfer processes in laminar and
turbulent boundary layers, on a sheet and in a cylindrical channel, regarding
the real optical properties of gases, plasma, and streamlined boundaries. The
multiparametrical relationship between radiation and convection processes has
This relationship excludes the use of additive calculations. Studies of
radiation-conductive heat transfer in optically non-uniform laminar and
dispersible radiation media are being continued in the cases of phase
transitions and cooperation effects. Also, in the conjugate task these studies
were continued for radiation-convective heat transfer in boundary layers during
chemical reactions and diffusion processes in conjunction areas.
evolution of a free-convective layer.
setup for investigating combustion in a boundary layer.
ultrasonic wind tunnel.
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