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Model research of the energy efficiency of a cogeneration backpressure steam turbine installation [PDF]
In the contemporary district heating systems (DHS) heat energy for the customers is generated by cogeneration method, which leads to the saving of primary energy resources compared to the separate production method.
Genovski Ivan, Hristov Kaloyan
doaj +5 more sources
Influence of temperature of return district water on the performance of a backpressure steam turbine installation [PDF]
Abstract The district heating systems supply heat to a wide range of consumers. In the heat source of such systems, highly efficient technologies are used for the combined production of electrical and thermal energy mainly based on steam turbine installations with backpressure turbines or turbines with adjustable steam extractions ...
Kaloyan Hristov, Ivan Genovski
semanticscholar +3 more sources
The determination of the temperature characteristics of one of the significant elements of the wet-steam turbines of nuclear power units – the steam separator-superheater is considered: namely the construction of the dependence of the temperature of the heated steam at the outlet of the second stage on the changing load of the power unit.
Potanina, Tetiana+2 more
semanticscholar +6 more sources
The determining parameter that characterizes the intensity of heat transfer in heat exchange equipment is the heat transfer coefficient, the value of which depends on the thermal resistances occurring in the corresponding equipment. Thus, in the heat exchanger-condenser of a steam turbine installation of a nuclear power station, this is the thermal ...
S.V. Sydorenko, M.A. Sydorenko
semanticscholar +4 more sources
Abstract In the source of heat energy for centralized heat supply systems, the joint production (cogeneration) of heat and electricity in one energy conversion unit is most often implemented. In most cases, the cogeneration technologies are based on steam turbine installations.
Kaloyan Hristov
semanticscholar +3 more sources
A thermal diagram of the combined gas-steam turbine unit of a hybrid cycle, which is an energy complex consisting of a base gas turbine engine with a steam turbine heat recovery circuit and a steam-injected gas turbine operating with overexpansion, is ...
Serbin Serhiy+3 more
doaj +2 more sources
Combined mini-TPP based on gas piston installation and steam turbine
The paper proposes a technological scheme of the combined mini-TPP on the basis of gas-piston installation and a steam turbine, which may be required as part of the local or distributed power systems.
P. A. Shchinnikov, N. V. Marasanov
doaj +3 more sources
Operating Point Optimization of a Hydrogen Fueled Hybrid Solid Oxide Fuel Cell-Steam Turbine (SOFC-ST) Plant [PDF]
This paper presents a hydrogen powered hybrid solid oxide fuel cell-steam turbine (SOFC-ST) system and studies its optimal operating conditions. This type of installation can be very appropriate to complement the intermittent generation of renewable ...
Juanjo Ugartemendia+2 more
doaj +4 more sources
A combined numerical simulation is conducted to couple fluid flow between exhaust hood and last-stage blades of a 600 MW steam turbine using the computational fluid dynamics software CFX.
Lihua CAO, Kai ZHOU, Heyong SI
doaj +3 more sources
Mathematical Models of the Energy Characteristics of a Backpressure Steam Turbine Based on a Simulation Study [PDF]
The backpressure steam turbine installations for combined production generate thermal energy and electricity. The produced electricity depends on the heat load determined by consumers. Heat energy is released in the district heating system through water,
Hristov Kaloyan, Genovski Ivan
doaj +1 more source