... The obtained data sets provide a reliable basis for optimizing propeller-motor combinations, predicting Unmanned Aerial Vehicle performance under static conditions and selecting the most efficient propeller. The presented analysis confirmed that the 18x11-inch propeller delivers the highest propulsion force...

...Onur Yuksel; Hakan Aygün Purpose This study aims to evaluate variation of performance metrics involving specific fuel consumption (SFC), thrust, thermal efficiency and overall efficiency values of turboprop engine used in regional aircraft according to varying altitude of 0–9 km and 0.3–0.6 Mach...

...Mehmet Ziya Sogut Purpose The altitude and weather conditions affect directly fuel consumption and engine efficiency of the aircraft engines. The thermo-physical properties of the weather of altitude play a significant role in this process. Unfortunately, engine performance based on altitude...

...) performed off-design performance analysis of gas turbine engine depending on ambient temperature in their study. Models have been developed and simulated to predict power output, thermal efficiency and exhaust gas temperature. According to the results obtained in this literature, it has been observed...

...Mehmet Ziya Sogut Purpose This study aims to examine exergy efficiency of engines and entropy performances at the flight process. In addition, the improvements that can be achieved in the system with the effective parametric controls of the engine have been evaluated in terms of both efficiency...

...Hakan Aygün Purpose Usage of gas turbine engines has increased by day due to rising demand for military and civil applications. This case results in investigating diverse topics related to energy efficiency and irreversibility of these systems. The purpose of this paper is to perform a detailed...

...Prof Richard Degenhardt, Dr Leslie J. Cohen; Salvatore Amoroso; Francesco Castelluccio; Luigi Maritano Purpose – The purpose of the study is the evaluation of the efficiencies of a group of small Italian airports and the comparison with a set of transport heliports to show the difference...

... (AF) such as liquid methane and propane – butane mixture (propane – butane). This paper also assessed the efficiency of mid-flight propulsion system (PS) based on HGTE for advanced short – medium hall aircrafts (SMHA) of 2025 (with level of parameters corresponding to technologies of 2025-2030 time...

... © MCB UP Limited 2002 --> Braking systems Efficiency Keywords: Braking systems, Efficiency It is reported that Dunlop Aviation Braking Systems has dramatically reduced its set-up times and improved production efficiency and output by equipping a CNC millturning lathe...