List of publications on a keyword: «physical process»
Технические науки
FSBIS Institute of Management Problems named after V.A. Trapeznikov RAS , Москва г
«The role of information technology in the control of complex system»
Information technology in modern world play a considerable and maybe a major role in the control of complex systems. Information technology provide the possibility of active human participation in the development of important physical processes, phenomenon, events, which allow to use them in control theory of complex systems.
Физика
Andrey G. Haydarov , candidate of engineering sciences, associate professor , associate professor
St. Petersburg State Technological Institute (Technological University) , Санкт-Петербург г
«Interconnection between melting, boiling and critical points»
We received theoretical formulas of the interconnection between melting, boiling and critical temperatures. Uniform physical representation of melting, boiling and evaporation processes was the basis for deriving the formula of interconnection between them. We use the concept of the material substance internal energy in terms of the molecules “unpacking” idea. The reference manual data on 85 substances from 13 to 855 degrees Kelvin confirms the theoretically derived formulas. We carried out the comparison of theoretical formulas and experimental data by their mean values. A simple ideal substance model with spherical molecules was considered as a model of substance molecule. The melting point is 1/3, and the boiling point ranges from 1/2 to 2/3 of the critical point for this model.