Abstract
This paper describes a case study for applying a hybrid electric propulsion system for general aviation aircraft. The work was performed by a joint team from the Centro Italiano Ricerche Aerospaziali (CIRA) and the Department of Industrial Engineering of the University of Naples Federico II. The use of electric and hybrid electric propulsion for aircraft has gained widespread and significant attention over the past decade. The driver of industry interest has principally been the need to reduce the emissions of combustion engine exhaust products and noise; however, studies have revealed the potential for overall improvement in the energy efficiency and mission flexibility of new aircraft types. The goal of the present study was to demonstrate the feasibility of aeronautic parallel hybrid electric propulsion for light aircraft, varying mission profiles and electric configurations. Through the creation and application of a global model with AMESim® software, in which every aspect of the components chosen by the industrial partners can be represented, some interesting studies were carried out. The numerical model used was more complete and more accurate compared to some others available in the literature. In particular, it was confirmed that, for particular missions, integrating state-of-the-art technologies provides notable advantages for aircraft hybrid electric propulsion for light aircraft.
Highlights
The aviation industry is responsible for 12% of the total transportation impact of CO2
Since the aim of the present study was to demonstrate the feasibility of hybrid electric propulsion the aimaircraft, of the present study wason to demonstrate the feasibility hybrid electric propulsion for anSince ultra-light it was conducted an aircraft already availableofon the market and powered for an ultra-light aircraft, it was conducted on an aircraft already available on the market and by a conventional internal combustion engine (ICE)
This study presented an analysis of a parallel hybrid electric propulsion system for the general aviation aircraft
Summary
The aviation industry is responsible for 12% of the total transportation impact of CO2. Since awareness of the need to decrease the total carbon footprint is rising, both the aerospace and automotive industries are facing increasing pressure from society to make the transportation sector more sustainable. Quick growth in electric vehicles can be noticed. In the aerospace industry, a rise in electrification can be observed, with small aircraft such as the E-Star and E-Fan [1] (two-seaters) being commercial examples of this. The electrification of the transportation sector could further result in decreased noise and an increased lifespan of parts as vibrations are decreased. The present research is focused on the study of aeronautical hybrid electric propulsion to analyze consumption and emission saving compared to a benchmark internal combustion engine (ICE)
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