Abstract In a recently implemented aerial target, the propulsion system consists of two JetCat micro turbojet engines. Due to limited durability rotor support bearings, engine operation time has been hours or flights. addition, after each flight, an bench test with vibration measurement is required. The adopted maintenance also labor-intensive and costly due obligatory shaft bearing inspections...

The article describes the solution of a complex problem to determine optimal parameters and engine layout for power plant an advanced unmanned aerial vehicle according methodology developed by authors using mathematical model well-known method indirect statistical optimization based on self-organization. At same time, main aerodynamic flight performance characteristics under study, calculated e...

The paper aims to verify the thesis that reactivity model, developed in earlier research, can be used compare fuels combustion processes turbine engines, which is important for predicting behavior of different alternative process. Synthetic blending components from alcohol jet and hydroprocessed esters fatty acids technologies their blends with conventional fuel were tests. undertaken laborator...

In gas turbine engines, sections are exposed to high temperature and loads during operation therefore inlet boundary is considered the most challenging for turbomachines. Ni-based super-alloys used materials in engines because of their superior mechanical characteristics at temperatures. this research, two Mar M-247 polycrystalline cast rotors, which were operated non-operated turbojet engine t...

This study documents results from a series of field experiments on the creation artificial updrafts and convective clouds at test site in United Arab Emirates (UAE). The proposed method incorporates vertically directed jet an aircraft turbojet engine saturated with active hygroscopic aerosols for purpose energetically feeding water vapor condensation heat below cloud base level. paper presents ...

Abstract Artificial Intelligence (AI) algorithms are widely used to improve the health monitoring tools exploited in aeronautics and this result an increase reliability flight safety. Furthermore, better management of maintenance costs is another positive consequence application AI-based tools. In paper, two developed predict Remaining Useful Life (RUL) a fleet simple turbojet engines VIPER 632...