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Experimental Analysis on the Operating Line of Two Gas Turbine Engines by Testing with Different Exhaust Nozzle Geometries

Author

Listed:
  • Razvan Marius Catana

    (National Research and Development Institute for Gas Turbines COMOTI, 061126 Bucharest, Romania)

  • Gabriel Petre Badea

    (National Research and Development Institute for Gas Turbines COMOTI, 061126 Bucharest, Romania)

Abstract

This paper presents a special analysis study about the gas turbine operating line, and an overall description of a gas turbines project, based on experimental data from two particular applications, in order to convert two different types of aero engines into the same engine configuration. The experimental works were carried out with the aim of converting an Ivchenko AI-20K turboprop and a Rolls-Royce Viper 632-41 turbojet into free turbine turboshaft engines, to be used in marine propulsion, and also to obtain an experimental database to be used in other gas turbine applications. In order to carry out the experimental work, the engines were tested in turbojet configuration, to simulate the free turbine load by using jet nozzles with different geometries of the outlet cross-section. Following the engines’ tests, a series of measured data were obtained, through which it was possible to experimentally determine the operating line of some engine components such as the compressor, turbine, and exhaust jet nozzle. This paper is comprehensive and useful through its scientific and technical guidelines, the operation curves coming in handy in the thermodynamic analysis and testing methodology for researchers dealing with similar applications.

Suggested Citation

  • Razvan Marius Catana & Gabriel Petre Badea, 2023. "Experimental Analysis on the Operating Line of Two Gas Turbine Engines by Testing with Different Exhaust Nozzle Geometries," Energies, MDPI, vol. 16(15), pages 1-20, July.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:15:p:5627-:d:1202971
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