Project description
New technology makes net zero-emissions aviation a reality
Europe’s aviation sector is flying towards a sustainable, climate-neutral future. Bringing together a group of leading aerospace companies, the EU-funded SWITCH project will develop future airliner propulsion systems. Supported by the EU Clean Aviation Joint Undertaking, it will develop a sustainable gas turbine propulsion system as a response to the challenge of climate-neutral short-medium range air transport. Specifically, its hybrid water enhanced turbofan can improve energy efficiency by 25 % and reduce climate impact by 75 % (using net zero-CO2 sustainable aviation fuel, 50 % with conventional Jet-A kerosene). It is the only concept to significantly reduce all three major warming effects: CO2 through unmatched efficiency, nitrogen oxides through water injection in the combustor, and contrails through particle removal and water recovery.
Objective
The SWITCH project is an ambitious initiative aimed at addressing the challenge of achieving climate-neutral short- to medium-range air transport by developing a revolutionary sustainable gas turbine propulsion system. This project is tightly aligned with the strategic goals of the Clean Aviation program, which seeks to foster innovation and sustainability in the aviation sector.
The primary objectives of the SWITCH project are improving fuel burn consumption and hence CO2 emissions by 20% and achieving a 50% reduction in the climate impact of both NOx emissions and contrails, compared to a state-of-the-art engine. These improvements would significantly reduce the three major warming effects of aviation on the climate: CO2, NOx, and contrails.
This 20% reduction in fuel burn meets the foreseen contribution from the propulsion system side to the -30% goal at the aircraft level, as outlined in the Clean Aviation Strategic Research and Innovation Agenda (SRIA).
To achieve these objectives, the project develops the Hybrid Second-Generation Geared Turbofan (GTF) featuring a dual-spool hybrid-electric architecture. This concept is complemented by a set of additional and enabling propulsion system technologies which are developed within SWITCH, and a broad range of evolutionary improvements to the current in-service GTF, creating an engine concept ready to power the next generation of short- to medium-range aircraft.
The dual-spool hybrid-electric architecture combines two Collins Aerospace megawatt-class electric motor generators within a Pratt & Whitney GTF™ engine. The additional and enabling propulsion system technologies include a hybrid-enabling High-Pressure Compressor (HPC) and a low-emissions combustor to reduce NOx and nvPM emissions. An optimised low-drag nacelle and thrust reverser, as well as lightweight multifunctional primary load structures, support the integration of novel technologies into the powerplant and contribute to the fuel-burn objective.
Local air quality and noise levels around airports are improved through electric taxiing. The propulsion system will be compatible with 100% drop-in Sustainable Aviation Fuel (SAF) and its principle is suitable for power plants that burn hydrogen. It addresses all climate-relevant market segments: short-, medium-, and long-range.
A global consortium is conducting the SWITCH project, involving aircraft, engine and system OEMs, key tier 1 suppliers and leading research institutes in combustion and propulsion. This unprecedented collaborative effort will leverage synergies between European and national programs, ensuring that the project is well-placed within the context of the Clean Aviation initiative.
By the end of the project, SWITCH will mature both the dual-spool hybrid-electric GTF and its additional and enabling propulsion system technologies to Technology Readiness Level (TRL) 4 by validating its sub-systems. By 2030, in Phase 2 of Clean Aviation, the dual-spool hybrid-electric configuration shall be ground and flight tested and all technologies matured to TRL 5 and 6, subject to the availability of relevant grants under Clean Aviation Calls 4 and 5, respectively.
Results from SWITCH will reinforce confidence in the climate reduction potential of the dual-spool hybridised Second-Generation GTF and lay the technological foundation to enable the innovation to enter the market from 2035.
Overall, the SWITCH project is ready to make a significant contribution to sustainable aviation, driving innovation, and substantially reducing the environmental impact of air travel.
Fields of science (EuroSciVoc)
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.2.5 - Climate, Energy and Mobility
MAIN PROGRAMME
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HORIZON.2.5.7 - Clean, Safe and Accessible Transport and Mobility
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Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-JU-IA - HORIZON JU Innovation Actions
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) HORIZON-JU-Clean-Aviation-2022-01
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
80995 MUENCHEN
Germany
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Participants (19)
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
36 002 Jasionka
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Participation ended
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36-002 JASIONKA
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31060 Toulouse
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
31700 Blagnac
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
21129 Hamburg
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Legal entity other than a subcontractor which is affiliated or legally linked to a participant. The entity carries out work under the conditions laid down in the Grant Agreement, supplies goods or provides services for the action, but did not sign the Grant Agreement. A third party abides by the rules applicable to its related participant under the Grant Agreement with regard to eligibility of costs and control of expenditure.
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28906 Getafe
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T23 Cork
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Legal entity other than a subcontractor which is affiliated or legally linked to a participant. The entity carries out work under the conditions laid down in the Grant Agreement, supplies goods or provides services for the action, but did not sign the Grant Agreement. A third party abides by the rules applicable to its related participant under the Grant Agreement with regard to eligibility of costs and control of expenditure.
Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
86720 NORDLINGEN
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00185 Roma
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31774 Colomiers
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46181 Trollhaettan
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3351 NL PAPENDRECHT
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35 078 RZESZOW
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
62-800 Kalisz
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
546 36 THESSALONIKI
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412 96 Goteborg
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
51147 KOLN
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
70174 Stuttgart
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28850 TORREJON DE ARDOZ MADRID
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Partners (4)
Partner organisations contribute to the implementation of the action, but do not sign the Grant Agreement.
Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
06118 East Hartford
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Partner organisations contribute to the implementation of the action, but do not sign the Grant Agreement.
Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
06096 Windsor Locks
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Partner organisations contribute to the implementation of the action, but do not sign the Grant Agreement.
Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
B90 4SS SOLIHULL WEST MIDLANDS
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Partner organisations contribute to the implementation of the action, but do not sign the Grant Agreement.
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WV10 6QJ Wolverhampton
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