TY  - JOUR
A1  - Finger, Felix
A1  - Götten, Falk
A1  - Braun, Carsten
A1  - Bil, Cees
T1  - Mass, primary energy, and cost: the impact of optimization objectives on the initial sizing of hybrid-electric general aviation aircraft
JF  - CEAS Aeronautical Journal
N2  - For short take-off and landing (STOL) aircraft, a parallel hybrid-electric propulsion system potentially offers superior performance compared to a conventional propulsion system, because the short-take-off power requirement is much higher than the cruise power requirement. This power-matching problem can be solved with a balanced hybrid propulsion system. However, there is a trade-off between wing loading, power loading, the level of hybridization, as well as range and take-off distance. An optimization method can vary design variables in such a way that a minimum of a particular objective is attained. In this paper, a comparison between the optimization results for minimum mass, minimum consumed primary energy, and minimum cost is conducted. A new initial sizing algorithm for general aviation aircraft with hybrid-electric propulsion systems is applied. This initial sizing methodology covers point performance, mission performance analysis, the weight estimation process, and cost estimation. The methodology is applied to the design of a STOL general aviation aircraft, intended for on-demand air mobility operations. The aircraft is sized to carry eight passengers over a distance of 500 km, while able to take off and land from short airstrips. Results indicate that parallel hybrid-electric propulsion systems must be considered for future STOL aircraft.
Y1  - 2020
U6  - https://doi.org/10.1007/s13272-020-00449-8
SN  - 1869-5590
N1  - Corresponding author: Felix Finger
VL  - 2020
IS  - 11
SP  - 713
EP  - 730
PB  - Springer
CY  - Heidelberg
ER  - 
TY  - JOUR
A1  - Knackstedt, Ralf
A1  - Eggert, Mathias
A1  - Gräwe, Lena
A1  - Spittka, Jan
T1  - Forschungsportal für Rechtsinformatik und Informationsrecht - Weg zu einer disziplinenübergreifenden Forschungsübersicht
JF  - MMR - Multimedia und Recht
N2  - Die Entwicklungen der Rechtsinformatik und des Informationsrechts zeigen, dass diese Disziplinen aktuell vor der Herausforderung stehen, eine interdisziplinäre Zusammenarbeit zwischen ihnen und anderen Disziplinen zu etablieren. Unterschiedliche Publikationskulturen erschweren die Erreichung dieses Ziels. Forschungsportale stellen themenspezifische, internetbasierte Verzeichnisse dar, die bereits vorhandene Informationen strukturiert zugänglich machen. Sie können die Beziehungen zwischen den Disziplinen fördern, indem sie bereits erzielte Arbeitsergebnisse disziplinenübergreifend bekannt machen und dadurch dazu beitragen, Synergiepotenziale und mögliche Kooperationspartner zu identifizieren.
Y1  - 2010
SN  - 1434-596X
IS  - 8
SP  - 528
EP  - 533
PB  - Beck
CY  - München
ER  - 
TY  - JOUR
A1  - Tran, Ngoc Trinh
A1  - Staat, Manfred
T1  - Direct plastic structural design under lognormally distributed strength by chance constrained programming
JF  - Optimization and Engineering
N2  - We propose the so-called chance constrained programming model of stochastic programming theory to analyze limit and shakedown loads of structures under random strength with a lognormal distribution. A dual chance constrained programming algorithm is developed to calculate simultaneously both the upper and lower bounds of the plastic collapse limit and the shakedown limit. The edge-based smoothed finite element method (ES-FEM) is used with three-node linear triangular elements.
Y1  - 2020
U6  - https://doi.org/10.1007/s11081-019-09437-2
SN  - 1573-2924
VL  - 21
IS  - 1
SP  - 131
EP  - 157
PB  - Springer Nature
CY  - Cham
ER  - 
TY  - JOUR
A1  - Gun, Jenny
A1  - Gutkin, Vitaly
A1  - Lev, Ovadia
A1  - Boyen, Hans-Gerd
A1  - Saitner, Marc
A1  - Wagner, Patrick
A1  - Olieslaeger, Marc D´
A1  - Abouzar, Maryam H.
A1  - Poghossian, Arshak
A1  - Schöning, Michael Josef
T1  - Tracing gold nanoparticle charge by electrolyte-insulator-semiconductor devices
JF  - Journal of Physical Chemistry C. 115 (2011), H. 11
Y1  - 2011
SN  - 1932-7455
SP  - 4439
EP  - 4445
PB  - American Cemical Society
CY  - Washington, DC
ER  - 
TY  - JOUR
A1  - Gun, Jenny
A1  - Rizkov, Dan
A1  - Lev, Ovadia
A1  - Abouzar, Maryam H.
A1  - Poghossian, Arshak
A1  - Schöning, Michael Josef
T1  - Oxygen plasma-treated gold nanoparticle-based field-effect devices as transducer structures for bio-chemical sensing
JF  - Microchimica Acta. 164 (2008), H. 3-4
Y1  - 2008
SN  - 1436-5073
SP  - 395
EP  - 404
ER  - 
TY  - JOUR
A1  - Poghossian, Arshak
A1  - Yoshinobu, Tatsuo
A1  - Schöning, Michael Josef
T1  - Flow-velocity microsensors based on semiconductor field-effect structures
JF  - Sensors. 3 (2003), H. 7
Y1  - 2003
SN  - 1424-8220
SP  - 202
EP  - 212
ER  - 
TY  - JOUR
A1  - Ferrein, Alexander
A1  - Jacobs, Stefan
A1  - Schiffer, Stefan
A1  - Beck, Daniel
T1  - Robust Collision Avoidance in Unknown Domestic Environments  /  Jacobs, Stefan ; Ferrein, Alexander ; Schiffer, Stefan ; Beck, Daniel ; Lakemeyer, Gerhard
JF  - ROBOCUP 2009: ROBOT SOCCER WORLD CUP XIII
Y1  - 2009
N1  - Lecture Notes in Computer Science ; 5949
SP  - 116
EP  - 127
PB  - Springer
CY  - Berlin
ER  - 
TY  - JOUR
A1  - Digel, Ilya
A1  - Demirci, Taylan
A1  - Temiz Artmann, Aysegül
A1  - Nishikawa, K.
T1  - Free Radical Nature of the Bactericidal Effect of Plasma-Generated Cluster Ions (PCIs)
JF  - Biomedizinische Technik. 49 (2004), H. Erg.-Bd. 2
Y1  - 2004
SN  - 0932-4666
SP  - 982
EP  - 983
ER  - 
TY  - JOUR
A1  - Lohse, Wolfram
T1  - Stahlbau
JF  - Bautechnische Zahlentafeln : [jetzt mit neuer DIN 1052, DIN1053-1 und DIN 1054] / Wendehorst. Hrsg. von Otto W. Wetzell. Bearb. von: Herwig Baumgartner ... 31., vollst. überb. und aktualisierte Aufl.
Y1  - 2004
SN  - 3-519-55002-4
N1  - Abschnitt 9
SP  - 603
EP  - 738
PB  - Teubner [u.a.]
CY  - Stuttgart [u.a.]
ER  - 
TY  - JOUR
A1  - Poghossian, Arshak
A1  - Abouzar, Maryam H.
A1  - Christiaens, P.
A1  - Williams, O. A.
A1  - Haenen, K.
A1  - Wagner, Patrick
A1  - Schöning, Michael Josef
T1  - Sensing charged macromolecules with nanocrystalline diamond-based field-effect capacitive sensors
JF  - Journal of Contemporary Physics. 43 (2008), H. 2
Y1  - 2008
SN  - 1934-9378
N1  - Armenian Academy of Sciences
SP  - 77
EP  - 81
ER  -