TY - JOUR

T1 - Design Considerations for the Electrical Power Supply of Future Civil Aircraft with Active High-Lift Systems

AU - Mueller, J. K.

AU - Bensmann, A.

AU - Bensmann, B.

AU - Fischer, T.

AU - Kadyk, T.

AU - Narjes, G.

AU - Kauth, F.

AU - Ponick, B.

AU - Seume, J. R.

AU - Krewer, U.

AU - Hanke-Rauschenbach, R.

AU - Mertens, A.

N1 - Funding information: The authors would like to thank the German Research Foundation (DFG) for supporting this research as part of the Collaborative Research Centre 880 (CRC 880). Furthermore, the authors would like to acknowledge the support of the Ministry for Science and Culture of Lower Saxony (Grant No. VWZN3177) for funding the research project “Energy System Transformation in Aviation” in the initiative “Niedersächsisches Vorab”.

PY - 2018/1

Y1 - 2018/1

N2 - Active high-lift systems of future civil aircraft allow noise reduction and the use of shorter runways. Powering high-lift systems electrically have a strong impact on the design requirements for the electrical power supply of the aircraft. The active high-lift system of the reference aircraft designconsideredinthispaperconsistsofa?exibleleading-edgedevicetogetherwithacombination of boundary-layer suction and Coanda-jet blowing. Electrically driven compressors distributed along the aircraft wings provide the required mass?ow of pressurized air. Their additional loads signi?cantly increase the electric power demand during take-off and landing, which is commonly provided by electric generators attached to the aircraft engines. The focus of the present study is a feasibility assessment of alternative electric power supply concepts to unburden or eliminate the generator coupled to the aircraft engine. For this purpose, two different concepts using either fuel cells or batteries are outlined and evaluated in terms of weight, ef?ciency, and technology availability. The most promising, but least developed alternative to the engine-powered electric generator is the usage of fuel cells. The advantages are high power density and short refueling time, compared to the battery storage concept.

AB - Active high-lift systems of future civil aircraft allow noise reduction and the use of shorter runways. Powering high-lift systems electrically have a strong impact on the design requirements for the electrical power supply of the aircraft. The active high-lift system of the reference aircraft designconsideredinthispaperconsistsofa?exibleleading-edgedevicetogetherwithacombination of boundary-layer suction and Coanda-jet blowing. Electrically driven compressors distributed along the aircraft wings provide the required mass?ow of pressurized air. Their additional loads signi?cantly increase the electric power demand during take-off and landing, which is commonly provided by electric generators attached to the aircraft engines. The focus of the present study is a feasibility assessment of alternative electric power supply concepts to unburden or eliminate the generator coupled to the aircraft engine. For this purpose, two different concepts using either fuel cells or batteries are outlined and evaluated in terms of weight, ef?ciency, and technology availability. The most promising, but least developed alternative to the engine-powered electric generator is the usage of fuel cells. The advantages are high power density and short refueling time, compared to the battery storage concept.

KW - Activefow control

KW - Carbon-free energy

KW - Effcient energy conversion and distribution

KW - Electrochemical energy conversion and storage

KW - Energy system design

KW - Hybrid energy systems

UR - http://www.scopus.com/inward/record.url?scp=85052993524&partnerID=8YFLogxK

U2 - 10.3390/en11010179

DO - 10.3390/en11010179

M3 - Article

AN - SCOPUS:85052993524

VL - 11

JO - ENERGIES

JF - ENERGIES

SN - 1996-1073

IS - 1

M1 - 11010179

ER -