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Joint Research on Aircraft Engines
January 26, 2012   
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“Modernization and construction of new science and research infrastructure for the Military University of Technology and the Warsaw University of Technology to facilitate joint numerical and experimental research on jet aircraft engines” is the name of a new project managed by Prof. Aleksander Olejnik from the Aviation Technology Institute at the Military University of Technology’s Faculty of Mechatronics.

As part of the project, the aircraft propulsion laboratory at the Military University of Technology will study engine aerodynamics, the statics and dynamics of engines and their components, the thermal properties of materials and the design of magnetic suspension. The project will involve research on the aerodynamics of flow passages in turbines, blade passages in jet and rotor rings and the aerodynamics and aeroelasticity of single nozzle and rotor blades. The laboratory will make use of low and high velocity wind tunnels, which will be modernized as part of the project.

The laboratory will pursue numerical modeling of rotor systems and their components, using digital models as the basis for determining the dynamic properties of designs. The results will then be compared with the findings of experimental research. The researchers will also study the gas dynamics of flow systems and the thermal properties of materials used to build jet aircraft engines and gas turbines for the energy industry. The lab will be equipped with devices for measuring thermal diffusivity, thermal conductivity, heat capacity and the thermal expansion of materials used in other research projects conducted at the laboratory. The project is expected to cover numerical research and experiments aimed at designing, optimizing and controlling passive and active magnetic suspension systems, complete with backup power supplies for the systems. The researchers will also work to adapt magnetic bearings and accessories for specific use in jet aircraft engines. An Aircraft Turbine Engine Aerodynamics and Combustion Laboratory will open at the Warsaw University of Technology. It will research the internal aerodynamics of aircraft engines and combustion in aircraft combustion chambers. To this end, the Warsaw University of Technology needs to thoroughly modernize and expand its infrastructure and purchase new research equipment. In particular, the plans involve two new wind tunnels, one to study blades and the other to research variable turbulence. Research facilities scheduled to undergo modernization include a transonic wind tunnel, a tunnel used to test combustion chambers, and an engine test stand.

Once completed, the project will enable research on experimental and numerical modeling of single- and multi-phase flows involving combustion, studies of the boundary layer, flow trails and flow passages between blades. Further plans include a research program concerning fuel combustion in aircraft engines. The aim of the program is to explore possibilities to curb emissions of toxic gases in new combustion systems and study gas dynamics and acoustic interaction between combustion chambers and turbines to see how they work together in real engines.

The laboratories at the Military University of Technology and the Warsaw University of Technology will also help enhance the qualifications of the academic and research staff and postgraduate students.

The project is expected to cost around zl.35 million.

Tadeusz Belerski
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