Abstract
Modern energy development strategies of advanced countries are based on the construction of gas turbine units which is associated with sufficiently high values of thermal efficiency and a relatively short term for putting them into operation. In this paper, the NK-8 engine is considered. It is modernized with a mixing chamber and a power turbine for the purpose of its ground application. A study was conducted of the injection of an additional working fluid into the flow part of a dual-circuit gas turbine engine. Steam is used as an injectable substance. For research a mathematical model was created in the AS «GRET» software package. The studies were carried out under constant load, the maximum load during injection was determined. An additional worker can be supplied with summer power limitations when it is necessary to increase the power of a gas turbine installation. Studies have shown that the maximum power that can be obtained by supplying steam to the flow part is 32.2 MW.
Highlights
In any country, energy is a basic sector of the economy
In a gas turbine engine of a simple design, an increase in the useful work of the engine can be achieved by reducing the cost of compressor drive
The engine consists of the following main components - a low-pressure compressor, a highpressure compressor, an annular combustion chamber, a high-pressure turbine and a low-pressure turbine
Summary
Energy is a basic sector of the economy. Energy provides the prerequisites for the application of new technologies and along with other factors provides a modern standard of living for the population. The development of energy is based on gas turbine technologies. In order to ensure maximum thermal efficiency the initial parameters of the gas turbine (temperature and the degree of pressure increase in the compressor) are continuously increasing. Other opportunities are being used to increase the efficiency and specific power of the plants (intermediate cooling of the air in the compressor, reheating of the working fluid of the gas turbine in front of the power turbine)
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