Journal of Engineering Thermophysics

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Technique of studying thermal diffusivity of metallics in different directions in a field of centrifugal accelerations and forces
Journal of Engineering Thermophysics - Tập 26 - Trang 10-16 - 2017
A. R. Lepeshkin
Study of the thermal diffusivity of metallics in a field of centrifugal accelerations and forces is essential for aerospace engineering. Characteristics of thermal diffusivity of materials are used in calculations of thermal state of blades and disks of turbine rotors. An original technique and a device on semiconductors have been developed for determination of thermophysical characteristics of ma...... hiện toàn bộ
Simulation of the one-phase Stefan problem in a layer of a semitransparent medium
Journal of Engineering Thermophysics - Tập 24 - Trang 123-138 - 2015
N. A. Rubtsov, N. A. Savvinova, S. D. Sleptsov
Radiative-conductive heat transfer in a semitransparent layer of a material with a phase transition is numerically simulated within the framework of solving the one-phase Stefan problem. Results of the solution describe the process of melting under equilibrium and nonequilibrium conditions of thermal energy supply. The possibility of simulation of thermal processes as applied to the development of...... hiện toàn bộ
Heat transfer in a flow of gas mixture with low Prandtl number in triangular channels
Journal of Engineering Thermophysics - Tập 25 - Trang 15-23 - 2016
O. V. Vitovsky, S. L. Elistratov, M. S. Makarov, V. E. Nakoryakov, V. S. Naumkin
We investigated heat transfer in a channel with a triangular cross-section. The working medium is a helium–xenon mixture with a low Prandtl number. This channel configuration corresponds to one of possible cases of fuel cells layout in a gas-cooled nuclear reactor. New experimental data on heat transfer in helium–xenon mixtures were obtained. Results of numerical modeling were compared with the ex...... hiện toàn bộ
Measuring the parameters of pulsed plasma flows by means of magnetic probes
Journal of Engineering Thermophysics - - 2007
А. М. Жукешов, F. B. Baimbetov, А. У. Амренова, A. T. Gabdullin
Numerical analysis of nonsteady-state conjugate natural convection between two concentric spheres
Journal of Engineering Thermophysics - - 2011
Mikhail А. Sheremet
A correlation to predict heat-transfer rates of a miniature loop thermosyphon
Journal of Engineering Thermophysics - Tập 22 - Trang 111-121 - 2013
W. Dangeton, S. Rittidech, A. Pattiya, N. Siriwan
This research is aimed at enhancing the traditional thermosyphon by preventing flooding and drying out from the opposite directions of the vapor and liquid. A miniature loop thermosyphon (MLT) consists of three sections, namely, the evaporator, the adiabatic and condenser sections. The return liquid channel is connected between the condenser and the evaporator to convey the condensed liquid. The M...... hiện toàn bộ
Flow in Subduction Zone Against Bevel Angle of Leading Edge of Continent Overthrusting on Passive Oceanic Lithosphere
Journal of Engineering Thermophysics - Tập 29 - Trang 460-466 - 2020
V. V. Chervov, G. G. Chernykh
Heat and mass transfer of MHD convective boundary layer flow past a stretching porous wall embedded in a porous medium
Journal of Engineering Thermophysics - Tập 21 - Trang 181-192 - 2012
S. N. Sahoo, G. C. Dash
The hydromagnetic convective boundary layer flow past a stretching porous wall embedded in a porous medium with heat and mass transfer in the presence of a heat source and under the influence of a uniform magnetic field is studied. Exact solutions of the basic equations of motion, heat and mass transfer are obtained after reducing them to nonlinear ordinary differential equations. The reduced equa...... hiện toàn bộ
Mathematical Modeling of CO2 and SO2 Adsorption in a Packed Column from Flue Gases of TPS
Journal of Engineering Thermophysics - Tập 31 - Trang 32-49 - 2022
M. I. Shilyaev, E. M. Khromova
A physico-mathematical model of gas adsorption in a packed column (PC) has been built. Analysis of the results of some experimental studies has shown that in most practical cases of extraction of target components from the vapor-gas flow at the interface (on the surface of the adsorbent granules), Henry’s phase equivalence can be approximated with a linear law. Calculations have been performed for...... hiện toàn bộ
Sustainable energy development in power generation by using green inlet-air cooling technologies with gas turbine engines
Journal of Engineering Thermophysics - Tập 24 - Trang 181-204 - 2015
Y. S. H. Najjar, Y. M. A. Al-Zoghool
This paper studies the different greening techniques of inlet air cooling and compares their effects on performance, especially power, efficiency, fuel consumption, and condensable water. A comparison between four air cooling techniques, namely, mechanical chillers, absorption chillers, evaporative cooling and fogging systems was performed on a gas turbine. The performance characteristics were exa...... hiện toàn bộ
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