Pdf this paper describes two case studies for applying innovative architectures related to electrified propulsion for aircraft. Hybridelectric propulsion for aircraft journal of aircraft. Nasa sbirsttr 2017 program solicitation details sbir. We use cookies to improve website performance, facilitate information sharing on social media and offer advertising tailored to your interests. Hybrid electric aircraft propulsion case study for skydiving mission article pdf available august 2017 with 1,634 reads how we measure reads. Highly efficient and power density power electronics. Aircraft propulsion systems technology and design aiaa. The efan x is the next step in airbus electrification journey for commercial aircraft, and a giant leap towards achieving zeroemission flight over the next 20 years. The hybridelectric aircraft modeled in simcenter amesim is shown below. Structural batteries for hybrid electric propulsion system. Materials for electrified aircraft propulsion new soft magnetic materials improve performance of converter. Propulsionairframe integration benefit of tail cone thruster takeoff to 0. The integration of electric propulsion systems into the aircraft design software micado calls for significant changes in the underlying software architecture.
The future of aircraft propulsion is electric nasa. This ambitious hybridelectric aircraft demonstrator is expected to embark on its first flight in 2021. The most advanced are the zunum aero 10seater, the. May 24, 2017 electric propulsion will bring airliner competitive economics to midsized aircraft over ranges from 700 miles in the early 2020s to over 1,000 miles by 2030. Pdf hybrid electric aircraft propulsion case study for skydiving. Frank anton, head of e aircraft at siemens ag, says the electric drives are scalable and he expects electric propulsion will be available for larger aircraft in the future. This paper describes a case study for applying innovative architectures related to electrified propulsion for aircraft. Nasa is researching ideas that could lead to the development of electric propulsion powered aircraft, which would be quieter, more efficient and environmentally friendly than todays commuter aircraft. Cambridge hybridelectric demonstrator project a multidisciplinary project to investigate the theory and practise of hybridelectric aircraft propulsion over a range of aircraft scale. Low carbon challenge to enable carbonneutral growth in aircraft operations and reduce emissions and improve efficiency by a combination of efforts one is to introduce scalable alternative propulsion.
Concept of modular architecture for hybrid electric propulsion of aircraft work package wp1. Felder nasa glenn research center cleveland, ohio, usa abstract meeting future goals for aircraft and air traffic system performance will require new. Evaluating aircraft with electric and hybrid propulsion 08. Design challenges of fully and hybrid electric aircraft. Aviation optimization possibilities thanks to electric propulsion are. The term hybrid electric is being used loosely here, and its really meant to encompass many different methods for using both airplane fuel and electricity to drive the propulsion system. Commercial aircraft propulsion and energy systems research. Competitiveness of hybrid electric aircraft on short range. The aepp working group identified the need for standardization of parameters and metrics for electric and hybrid electric aircraft system studies. Powertrain architecture design and power management, control and delivery document url issue date th november 2017. This flexibility can allow greater propulsion airframe integration and can result in reduced noise. Gaston tissandier, chemist and early aviation pioneer. Hybrid electric aircraft propulsion case study for skydiving. Many prototypes of hybrid aircrafts have been studied and produced in the last years.
Robertson, 2015, hybridelectric propulsion for aircraft, aiaa journal of aircraft 521. Technical challenges and barriers affecting turboelectric. Aircraft propulsion to provide aircraft suitable for shortdistance travel while reducing emissions, zunum aero is turning to electrification to create hybrid electric systems. Nasa is researching ideas that could lead to the development of electric propulsionpowered aircraft, which would be quieter, more efficient and environmentally friendly than todays commuter aircraft. Pdf hybrid electric aircraft propulsion case study for. In the case of turboelectric and hybrid electric aircraft, the electrical systems can provide unmatched flexibility in coupling the power generation turbines to the fan propulsors. Overview of nasa electrified aircraft propulsion research. The efan x is a complex hybridelectric aircraft demonstrator. This report focuses on propulsion and energy technologies for reducing carbon emissions from large, commercial aircraft singleaisle and twinaisle aircraft that carry 100 or more passengers. Evaluating aircraft with electric and hybrid propulsion. Hybrid electric propulsion makes use of fuel with high specific energy. Battery requirement for commuter and regional hybrid electric aircraft 8 es hybrid electric, 70 passengers based on isikveren et. Concept of modular architecture for hybrid electric.
Siemens sells electric aircraftpropulsion business to. Taking advantage of moving within a fluid, aircraft propulsion is achieved by airbreathing engines, i. For this reason, the companys business with electric and hybridelectric systems for aircraft will have substantially better growth perspectives with new owners closely connected to the aerospace industry. Propulsion airframe integration benefit of tail cone thruster takeoff to 0. Jul 12, 2018 hybrid electric propulsion is an exciting area with much promise for improving the fuel efficiency, emissions, and noise levels in commercial transport aircraft. The arrival of a unique experimental demonstrator at nasa armstrong flight research center on february 26 may herald a future in which many aircraft are powered by electric motors. Jansen2 nasa glenn research center, brook park, ohio, 445, usa nasa has been investigating electrified aircraft propulsion as a means of furthering its. Hybrid aircraft will give rise to a regional air system that is very different from the concentrated hubspoke of the jet engines today. Pdf hybridelectric propulsion integration in unmanned. Felder nasa glenn research center cleveland, ohio, usa abstract meeting future goals for aircraft and air traffic system performance will require new airframes with more highly integrated propulsion. Design of a hybrid electric propulsion system within a.
Xti aircraft, the developer a businessjet style vtol, has officially announced a partnership with ge aviation to provide propulsion for its hybridelectric aircraft xti aircrafts luxury longdistance vtol is capable of flying at 345mph for a range of 1200 nautical miles, seating five passengers, and of course, taking off and landing vertically. Hybrid electric propulsion glenn research center nasa. Nasa is investing in hybrid electric propulsion research as part of its overall efforts to improve the fuel efficiency, emissions, and noise levels in commercial transport aircraft. By may 2018, there were over 30 projects, and shorthaul hybrid electric airliners were envisioned from 2032. The third option is allelectrical propulsion, where the sole source is a battery and the gas turbine and asso ciated fuel system present in hybridelectric and tur bo. Gama publication no 16 hybrid and electric propulsion. The hybrid electric aircraft modeled in simcenter amesim is shown below. Hypstair claims its 200 kw motor is the most powerful hybrid electric powertrain developed for aviation to date, providing an equivalent amount of power as typical general aviation engines. Project full title modular approach to hybrid electric propulsion architecture project url.
Topics include combustion technology, engineairplane performance matching, inlets and inletengine integration, variable convergentdivergent nozzle aerodynamics, and more. Need 750 whkg energy density, at least 600 whkg wh kg cell level present 15 years 30 years lithium ion 80 200 400 450 lithium sulfur 500 650 800 950 lithium air 600 750 1200 1400. Hybrid electric propulsion integration in unmanned aircraft jacob sliwinski, alessandro gardi, matthew marino, roberto sabatini rmit univ ersit y, m elbo urne, vic tor ia 30 01, a ustr alia. Electric propulsion components with high power densities for.
The company view hybrid electric as a future area of business and aim to use this motor design as a basis for developing hybrid electric propulsion systems for regional aircraft. Distributed turboelectric propulsion for hybrid wing body aircraft hyun dae kim, gerald v. The leading edge asynchronous propeller technology leaptech project will test the premise that tighter propulsionairframe integration, made possible with electric. Unfortunately, the sugarvolt implementation of a hybridelectric propulsion system did not provide a reduction in overall aircraft energy usage, just onwing fuel usage. We develop serial hybrid electric propulsion systems for aircraft the technology is scalable and will soon be making its way into small aircraft and, in the future, into commercial aircraft with 60 to 100 passengers, making aviation greener. Hybrid electric aircraft propulsion case study for. The challenge of developing these more electric aircraft requires the deployment of engineering simulation to. Experimental characterization of engine, motor generator, batteries, propeller.
This paper draws parallels between the synergy of hybrid electric propulsion for automotive and aviation. A key goal is to develop technologies that are multiuse and cross. Guidelines for analysis of hybridelectric aircraft system. Nasas motivation for electrified aircraft propulsion. Nasas research in this area includes airplane concepts, electrical power systems, component materials, and test facilities along with exploratory investment in turbinegenerator. New technologies are needed to generate electrical power andor store energy for future human and robotic space missions and to enable hybrid electric aircraft that could revolutionize air travel. The future of electric hybrid aviation machine design. A combustionenginedriven generator and a battery deliver power to the propulsion unit. Thus, a variety of hybrid electric propulsion technologies has been investigated within preliminary aircraft design research projects in recent years. Hybridelectric propulsion for automotive and aviation.
Electric and hybrid electric propulsion for aircraft has gained. Turboelectric and hybrid electric aircraft drive key performance parameters kirsten p. A key goal is to develop technologies that are multiuse and crosscutting for a broad range of nasa mission applications. Pdf hybridelectric propulsion integration in unmanned aircraft. Electric propulsion will bring airliner competitive economics to midsized aircraft over ranges from 700 miles in the early 2020s to over 1,000 miles by 2030. Honeywells hybridelectric propulsion systems are powering the future of flight. Hybridelectric propulsion integration in unmanned aircraft jacob sliwinski, alessandro gardi, matthew marino, roberto sabatini rmit univ ersit y, m elbo urne, vic tor ia 30 01, a ustr alia. A comprehensive coverage of the key physical concepts that govern gas turbine propulsion systems. In the paper 7, the authors examine the stateoftheart of hybrid electric propulsion system modeling, and suggest new methodologies for sizing such advanced concepts. Aircraft electrical propulsion 4 2017 was a record year with 40 new electricallypropelled aircraft development programmes being an. Aircraft electrical propulsion the next chapter of. Guidelines for analysis of hybridelectric aircraft system studies. The overall aircraft design space could also be radically opened up but there are challenges too raw aviation consulting ltd has developed a whole aircraft capability to model electric and hybridelectric aircraft deployed on customer studies to evaluate system level attributes and sensitivities to design assumptions richard wilson.
The challenge of developing these more electric aircraft requires the deployment of engineering simulation to achieve performance goals and. While electric aircraft are perceived to be futuristic, the first electrically powered flying. Turbo and hybridelectrified aircraft propulsion concepts. Commercial aircraft propulsion and energy systems research develops a national research agenda for reducing co2 emissions from commercial aviation. Hybridelectric propulsion systems can take advantage of the synergy between two technologies by utilizing both internal combustion engines and.
Electric propulsion components with high power densities. The leading edge asynchronous propeller technology leaptech project will test the premise that tighter propulsion airframe integration, made possible with electric. The driver for industry interest has principally been the need to reduce emissions of combustion engine exhaust products and noise, but increasingly. Duffy1 university of toledo, toledo, ohio, 44606, usa and ralph h. The energy source is the combustion of a fuel carried onboard with oxygen in the air, but it might also be solar power or nuclear power. Distributed turboelectric propulsion for hybrid wing body. For siemens eaircraft, hybridelectric propulsion systems are the underlying key technology. Turboelectric and hybrid electric aircraft drive key. A hybrid electric aircraft is an aircraft with an hybrid electric powertrain, needed for airliners as the energy density of lithiumion batteries is much lower than aviation fuel. Electric propulsion suffers from large battery weight low specific energy. In parallel with the automotive industry, hybridelectric propulsion is becoming a viable alternative propulsion technology for the aviation sector and reveals potential advantages including fuel savings, lower pollution, and reduced noise emission. Electric and hybrid electric propulsion for aircraft has gained widespread and significant attention over the past decade. Aircraft propulsion to provide aircraft suitable for shortdistance travel while reducing emissions, zunum aero is turning to electrification to create hybridelectric systems.
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