In this paper multi-objective genetic algorithms are employed for Pareto approach optimization of ideal Turboshaft engines. In the multi-objective optimization a number of conflicting objective functions are to be optimized simultaneously. The important objective functions that have been considered for optimization are specific thrust 0 ( / ) & F m , specific fuel consumption ( P S ), output sh...

Particulate-phase exhaust properties from two different types of ground-based jet aircraft engines--high-thrust and turboshaft--were studied with real-time instruments on a portable pallet and additional time-integrated sampling devices. The real-time instruments successfully characterized rapidly changing particulate mass, light absorption, and polycyclic aromatic hydrocarbon (PAH) content. Th...

The paper presents a practical and relevant analytical calculation model for free turbine turboshaft working regimes engine performance. is based on post-processing method that analyzes series of experimental data, specifically focusing the percentage variations engine’s main parameters from minimum to takeoff regime. data were acquired three different types engines: TV2-117A turboshaft, AI-20K...

Future gas turbine engine control systems will be based on distributed architecture, in which, the sensors and actuators will be connected to the controllers via a communication network. The performance of the distributed engine control (DEC) is dependent on the network performance. This study introduces a distributed control system architecture based on a networked cascade control system (NCCS...

This paper analyses unstable mode of a free gas turbine turboshaft helicopter engine TV3-117. The analysis is focused on the conditions this phenomenon and possibilities its solution in an industrial turbocharger with turbine. Knowing causes operation will allow pilots to prevent accidents increase level flight safety.