The mathematical model describing heat-mass transfer in rheologically complex media in a tubular reactor is developed in the article. Using the example of the continuous production scheme for grade B2 polymethacrylate, solutions of the characteristic equations confirming the possibility of emergence the critical flow regimes for certain sets of control parameters were obtained.

Annotation The mathematical model describing heat-mass transfer in the course of rheologically complex media in a tubular reactor is developed in the article. Using the example of the continuous production scheme for grade B2 polymethacrylate, solutions of the characteristic equations confirming the possibility of emergence of critical flow regimes for certain sets of control parameters were obtained.

Annotation The paper analyzes the structure of the energy balance of the Russian Federation for power systems, draws conclusions on the impact of HPPs in the structure of electricity generation on the price of electricity for ultimate customers. The influence of the construction of new hydropower stations on the development of waterways is considered.

The paper describes issues concerning energy efficiency improving in the Russian power engineering economics. The energy efficiency applicability, the technical and the economic energy efficiency potential, the government energy efficiency tools are substantiated. The results of energy efficiency program implementation are presented.