Results 41 to 50 of about 55 (51)

The influence of blade row temperature on the aerodynamic characteristics of an axial compressor impeller

Авіаційно-космічна техніка та технологія
The subject of this study was the characteristics of the compressor impeller regarding the heating of the blade row. The object of this study was the blade row of an axial compressor impeller.
Volodymyr Otroshchenko, Maryna Pikul, Yuriy Tereshchenko   +2 more
doaj   +1 more source

Simulation of flow in the fan stage of a turbofan engine

Авіаційно-космічна техніка та технологія
The subject of this research is the working process of the axial fan in a turbofan engine. The objective of this research was to investigate the fan impeller of a turbofan engine.
Andrii Duliepov
doaj   +1 more source

The influence of blade temperature on the aerodynamic characteristics of the profile

Авіаційно-космічна техніка та технологія
The subject of the study is the aerodynamic characteristics of the compressor blade concerning the effect of its surface thermal heating. The object of this study is the compressor grid of an axial compressor impeller.
Volodymyr Otroshchenko, Maryna Pikul
doaj   +1 more source

Modeling of critical start-up and shutdown scenarios of a gas turbine engine for testing regulator protections

Авіаційно-космічна техніка та технологія
This study presents a methodology for simulation-based modeling of critical start-up and shutdown scenarios of the TV3-117 gas turbine engine to test the electronic controller’s protection algorithms.
Serhii Vialov
doaj   +1 more source

Determination of the trend component of a time series by real-time means in technical operation of complex energy facilities

Авіаційно-космічна техніка та технологія
This study proposes an approach to determine the trend component of the time series of technical condition registration during the long-term operation of complex energy facilities by real-time means.
Volodymyr Myrhorod, Iryna Hvozdeva
doaj   +1 more source

Method of aerodynamic improvement of axial and centrifugal compressor stages of gas turbine engines

Авіаційно-космічна техніка та технологія
The development of approaches to aerodynamic improvement of compressor stages of gas turbine engines based on numerical modeling of three-dimensional turbulent gas flows remains a pressing task, which is of great importance for the design and ...
Natalya Zinevich
doaj   +1 more source

Estimation of parameters of the periodic component of the time series of data of bench tests and technical operation of complex energy facilities by the method of singular spectral analysis

Авіаційно-космічна техніка та технологія
This study proposes an approach to determine the cyclic component of the time series of technical condition registration during the long-term operation of complex energy facilities and their bench tests by real-time means.
Volodymyr Myrhorod, Iryna Hvozdeva
doaj   +1 more source

ГАЗОТУРБІННИЙ ДВИГУН НА БІОГАЗІ

, 2012
Е. Ясиніцький, Р. Гупало   +1 more
openalex   +2 more sources

Improvement of the on-board vibration control system of an aviation gas turbine engine based on multi-level processing of vibration signals

Авіаційно-космічна техніка та технологія
This paper proposes and substantiates the improvement of the on-board vibration control system of aircraft engines to expand the system’s functional capabilities and provide multi-class diagnostics based on multi-level processing of vibration signals ...
Nadiia Bouraou, Olha Pazdrii, Oleksandr Povshenko   +2 more
doaj   +1 more source

Methods of analysis after flight data of TV3-117V gas turbine engine

Авіаційно-космічна техніка та технологія
The methods of analyzing post-flight data of gas turbine engines are considered, in particular, a typical method of diagnosing parameters reduced to standard atmospheric conditions, the use of a diagnostic regression model, the methods of factor analysis,
Andrii Dunai
doaj   +1 more source