THE POSSIBILITY OF USING METHANE-HYDROGEN FUEL IN CONVERTED GAS TURBINE ENGINES FOR POWER PLANTS

2021 ◽  
Vol 22 (1) ◽  
pp. 82-93
Author(s):  
Baklanov A. V. ◽  
Keyword(s):  
Gas Turbine ◽  
Power Plants ◽  
Turbine Engines ◽  
Gas Turbine Engines ◽  
Hydrogen Fuel

scholarly journals Automated Virtual Testing Rig Incorporating Multi-level Models of Gas Turbine Engines

2018 ◽  
Vol 220 ◽  
pp. 03001
Author(s):  
Andrey Tkachenko ◽  
Ilia Krupenich ◽  
Evgeny Filinov ◽  
Yaroslav Ostapyuk
Keyword(s):  
Gas Turbine ◽  
Power Plants ◽  
Educational Process ◽  
Turbine Engines ◽  
Experimental Investigations ◽  
Gas Turbine Engines ◽  
Engine Operation ◽  
Virtual Testing ◽  
Research Activities ◽  
Multi Level

This article describes the multi-level approach to developing the virtual testing rig of gas turbine engines and power plants. The described virtual rig is developed on the basis of computer-aided system of thermogasdynamic calculations and analysis ASTRA, developed at Samara National Research University. Existing testing rig is widely used in educational process to supply the students’ research activities with the information on engine operation in a variety of ambient and flight conditions during transients. An approach to upgrading the virtual testing rig is proposed. The described modifications would provide the capabilities to solve more complex research tasks, including investigation of influence of geometry of engine elements on the engine characteristics, multidisciplinary investigations, identification of engine models using the results of experimental investigations and identification of sources of engine deficiencies during the development phase of engine designing.

Predictive Compressor Wash Optimization for Economic Operation of Gas Turbine

2018 ◽  
Vol 140 (12) ◽  
Author(s):  
Houman Hanachi ◽  
Jie Liu ◽  
Ping Ding ◽  
Il Yong Kim ◽  
Chris K. Mechefske
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Power Plants ◽  
Economic Losses ◽  
Turbine Engines ◽  
Gas Turbine Engines ◽  
Considerable Saving ◽  
Service Period ◽  
Power Deficit

Gas turbine engines (GTEs) are widely used for power generation, ranging from stationary power plants to airplane propulsion systems. Compressor fouling is the dominant degradation mode in gas turbines that leads to economic losses due to power deficit and extra fuel consumption. Washing of the compressor removes the fouling matter and retrieves the performance, while causing a variety of costs including loss of production during service time. In this paper, the effect of fouling and washing on the revenue of the power plant is studied, and a general solution for the optimum time between washes of the compressor under variable fouling rates and demand power is presented and analyzed. The framework calculates the savings achievable with optimization of time between washes during a service period. The methodology is utilized to optimize total costs of fouling and washing and analyze the effects and sensitivities to different technical and economic factors. As a case study, it is applied to a sample set of cumulative gas turbine operating data for a time-between-overhauls and the potential saving has been estimated. The results show considerable saving potential through optimization of time between washes.

scholarly journals Generalized High Speed Simulation of Gas Turbine Engines

1990 ◽  
Author(s):  
Nanahisa Sugiyama
Keyword(s):  
Real Time ◽  
Gas Turbine ◽  
Gas Turbines ◽  
High Speed ◽  
Power Plants ◽  
Turbine Engines ◽  
Gas Turbine Engines ◽  
Jet Engines ◽  
Industrial Gas Turbine ◽  
High Degree

This paper describes a real-time or faster-than-real-time simulation of gas turbine engines, using an ultra high speed, multi-processor digital computer, designated the AD100. It is shown that the frame time is reduced significantly without any loss of fidelity of a simulation. The simulation program is aimed at a high degree of flexibility to allow changes in engine configuration. This makes it possible to simulate various types of gas turbine engines, including jet engines, gas turbines for vehicles and power plants, in real-time. Some simulation results for an intercooled-reheat type industrial gas turbine are shown.

Gas turbine engines used as power units for traction rolling stock fueled by liquefied natural gas

2021 ◽  
pp. 55-65
Author(s):  
Yuri V. BABKOV ◽  
◽  
Denis I. PROKHOR ◽  
Dmitry V. KOTYAEV ◽  
Nikolay V. GRACHEV ◽  
...  
Keyword(s):  
Gas Turbine ◽  
Power Plants ◽  
Normal Operation ◽  
Rolling Stock ◽  
Turbine Engines ◽  
Gas Turbine Engines ◽  
Equipment Operation ◽  
Advantages And Disadvantages ◽  
Technical Requirements ◽  
Loading Modes

Objective: To determine the possibility and directions for increasing the efficiency of gas turbine traction based on the experience of using gas turbine engines as power plants in railway transport. Methods: The practice of operating gas engine locomotives in trial runs and normal operation with trains of 9 thousand tons is used. Records of onboard systems for fixing the parameters of locomo-tive equipment operation are taken into account. Results: Comparison of the application experi-ence of gas turbine engines in various branches of the national economy are carried out. The fea-tures of using gas turbine engines in unstable loading modes are analyzed. Their effectiveness is characte¬rized and directions for its further increase are established. The values of the maintenance labor intensity of gas turbine locomotives and diesel locomotives are revealed. The actual load of gas turbine locomotive equipment at all traction modes has been determined. Practical im-portance: Significant differences in maintenance of power units of gas turbine locomotives and die-sel locomotives have been determined. The performed analysis of the operation results allowed to determine and prove in practice the advantages and disadvantages of convertible aircraft gas tur-bine engines, to establish requirements for them in order to increase the efficiency of using gas turbine locomotives and to develop a draft of technical requirements for a power unit for the main gas turbine locomotive GT1h.

RESEARCH OF SEPARATION GRADIENT AEROSOL TECHNOLOGIES FOR INTENSIFICATION OF HEAT AND MASS TRANSFER PROCESSES IN SYSTEMS OF HIGHLY TURBULENT DISPERSED BIPHASIC FLOWS. EMPLOYING THE SEPARATION GRADIENT AEROSOL TECHNOLOGIES FOR DESIGNING THE OIL SEPARATORS OF VENTING SYSTEMS IN GAS TURBINE ENGINES (G=200 m3/h)

2019 ◽  
pp. 75-84
Author(s):  
Wang Miao ◽  
Sergiy Ryzhkov
Keyword(s):  
Gas Turbine ◽  
Power Plants ◽  
Three Dimensional ◽  
Turbine Engines ◽  
Gas Turbine Engines ◽  
Three Dimensional Model ◽  
Flow Area ◽  
Dispersed Particles ◽  
Highly Dispersed ◽  
Highly Dispersed Particles

The aim of present study was to design an oil separator for the venting systems of gas turbine engines at consumption of gaseous medium 200 m3/h. In order to accomplish the objective, we applied separation gradient aerosol technologies, which consider all the forces and effects that influence deposition of the highly dispersed particles. A scientific base is substantiated for the intensification of gradient processes of the transfer of aerosol media in the boundary layers of multifunctional surfaces in the purification of dispersed polyphase flows for developing the technical devices that ensure an increase in energy saving and ecological improvement of power plants. We designed a section-by-section structural scheme and a three-dimensional model of the oil separator in finite elements for the calculation of hydrodynamics and separation. The calculations were conducted of the hydrodynamic situation and particle trajectory in the flow area of an oil separator. Using the calculated distribution of speed in the oil separator at G=100…200 m3/h, it was determined that velocity in the coagulation profile does not exceed 10 m/s. It was established according to the results of static pressure distribution for G=100, 200 m3/h that the pressure differential in the separation coagulators reaches 2.5…3.9 kPa, respectively. Results of the calculation at G=100…200 m3/h demonstrated that the summary pulsation effect from the deposition of highly dispersed particles amounts to 25.1 %. Based on the calculations, we designed the prototype of an oil separator and tested it experimentally on the test bench in the form of an open type wind tunnel. Coefficient of the total effectiveness of purification was determined, which reaches 99.9 %. The modernization of purifiers for capturing the aerosols in different systems of power plants is possible based on the separation gradient aerosol technologies. The studies conducted make it possible to develop in the future a range of separators for gas consumption from 20 to 2000 m3/h.

Gas Turbine Engine Off-Design Performance Simulation Using Syngas From Biomass Derived Gas as Fuel

2007 ◽  
Author(s):  
Sandro B. Ferreira ◽  
Marco Antoˆnio R. do Nascimento
Keyword(s):  
Gas Turbine ◽  
Power Plants ◽  
Gas Turbine Engine ◽  
Turbine Engines ◽  
Gas Turbine Engines ◽  
Performance Simulation ◽  
Turbine Engine ◽  
Design Performance ◽  
Surge Line ◽  
And Performance

The use of syngas from gasified biomass as fuel for electric power generation based on gas turbine engines has been seriously studied over the past last two decades. Few experimental power plants have been built around the world. A small review of the use of syngas from gasified biomass and a cleaning system for gas turbine engines are presented. In this paper a computational program was presented and validated to simulate the design and off-design performance analysis of simple cycle gas turbine engines with one and two shafts. The aim was to assess the behavior and performance of the gas turbine engine without accounting for auxiliary syngas fuel compressor when the gasifier is atmospheric. It shows the behavior and performance at the off design condition of these two types of hypothetic gas turbine engines. The two engines were designed to use kerosene as fuel and at off-design conditions, and they were run using syngas from gasified biomass. The results show that the running line in the compressor characteristic moves towards the surge line and that the performance changes when the engine runs with the syngas.

scholarly journals PROSPECTS FOR THE USE OF GAS TURBINE ENGINES IN MARINE POWER PLANTS

2021 ◽  
Vol 13 (2) ◽  
pp. 244-256
Author(s):  
Oleg K. Bezjukov ◽  
◽  
Vladimir A. Zhukov ◽  
Mikhail S. Kapustyansky ◽  
◽  
...  
Keyword(s):  
Gas Turbine ◽  
Power Plants ◽  
Turbine Engines ◽  
Gas Turbine Engines

scholarly journals APPLICATION OF PYROLYSIS GAS AS A FUEL FOR GAS TURBINE ENGINES FOR ELECTRICITY GENERATION

2021 ◽  
Vol 88 (3) ◽  
pp. 30-35
Author(s):  
Ivan Obodovskyi ◽  
Viacheslav Morozov
Keyword(s):  
Gas Turbine ◽  
Power Plants ◽  
Internal Combustion Engines ◽  
Turbine Engines ◽  
Gas Turbine Engines ◽  
Ground Vehicles ◽  
Pyrolysis Gas ◽  
Technology Application ◽  
Marine Engines ◽  
Xix Century

Purpose: The purpose of this article is to show the opportunities of application of the pyrolysis gas as a fuel for gas turbine power plants based on decommissioned gas turbine engines, including those from aircraft – either turboprop or turboshaft, or both, and also those used on ground vehicles such as tanks and marine engines as well. Methods: The article describes the technology of pyrolysis of different materials for obtaining pyrolysis gas and its further application as a fuel for internal combustion engines was developed in the end of XIX century and was successfully applied for automobile, marine and railway locomotive piston engines till the mid ХХ century when large oil reservoirs were discovered all around the World. Results: the current research not only proves that there exists an economic benefit of application of pyrolysis technology even at nowadays, but also an ecological one, allowing getting rid of garbage Discussion: The proposed examples of successful pyrolysis technology application can be a good basis for further research of transferring modern engines to the pyrolysis gas fuels.

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