Zobrazeno 1 - 10
of 24
pro vyhledávání: '"L. I. Kheifets"'
Autor:
L. I. Kheifets, V. L. Zelenko
Publikováno v:
Russian Journal of Physical Chemistry A. 94:1087-1091
The exergy efficiency was evaluated based on the Alikhanov–Novikov maximum power principle. An expression for the efficiency of a heat engine related to the mechanism of heat transfer from the heat source to the generator was obtained. The exergy l
Autor:
V. L. Zelenko, L. I. Kheifets
Publikováno v:
Russian Journal of Physical Chemistry A. 93:1217-1220
Known mechanisms of heat transfer are ranked according to the efficiency of heat conversion at the maximum work load, according to Alikhanov’s thermodynamic principle of maximum power.
Publikováno v:
Russian Journal of Electrochemistry. 47:256-263
A mathematical model of the process of electrochemical intercalation of a granular graphite bed in nitric and sulfuric acids that takes into account the varying physicochemical properties of the graphite matrix is proposed. The numerical solution of
Publikováno v:
Theoretical Foundations of Chemical Engineering. 44:407-412
A mathematical model of intercalated graphite particle expansion under fast (shock) heating is introduced. The model is based on the idea of two thermodynamic forms of intercalate in the graphite particle. This theory explains the existence of a mini
Autor:
L. I. Kheifets, V. L. Zelenko
Publikováno v:
Theoretical Foundations of Chemical Engineering. 43:374-380
A low-grade heat recovery system for large-scale refrigerators is proposed. The system comprises an evaporation refrigeration cycle with an inert carrier gas and a thermal adsorption-desorption cycle for adsorption drying of a gas flow. The known low
Publikováno v:
Theoretical Foundations of Chemical Engineering. 41:519-525
A pressure swing adsorption plant model with pressure dampers and recuperation turbines simulating the process of producing oxygen-enriched air is considered. A computer program that can numerically solve the equations of the mathematical model is de
Publikováno v:
Fluid Dynamics. 41:391-397
The monotonous instability of the adsorption front formed in a two-component gas filtered vertically through a fixed bed of adsorbent is demonstrated. A threshold value of the Archimedes adsorption criterion is calculated and the corresponding critic
Autor:
L. I. Kheifets, D. M. Predtechenskaya
Publikováno v:
Russian Journal of Physical Chemistry. 80:196-199
Experimental data on the joint adsorption of a nitrogen-oxygen gas mixture on zeolite NaX were analyzed using the theory of ideal adsorption solutions. Acceptable accuracy was obtained in calculations of binary isotherms from the adsorption isotherms
Autor:
V. L. Zelenko, L. I. Kheifets
Publikováno v:
Doklady Physical Chemistry. 400:11-14
Publikováno v:
Moscow University Chemistry Bulletin. 62:136-138
The equilibrium swing adsorption model is used to show that the purity of the product gas linearly increases with decreasing the ratio of the gas pressure during the recovery stage to the gas pressure during the adsorption step. We propose to use the