Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Stephane Dufresne"'
Publikováno v:
SAE Technical Paper Series.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4440871eab330df3373c56ae4085383
https://doi.org/10.4271/2018-01-1910
https://doi.org/10.4271/2018-01-1910
Publikováno v:
Journal of Aircraft. 45:1405-1418
This paper describes the development of an unmanned aerial vehicle's conceptual design environment.A review of current unmanned aerial vehicle design challenges is conducted, which leads to the description of the desired capabilities for the environm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0c90e6a2d039fd67fdc72d37b5d9ffe
https://doi.org/10.2514/1.35567
https://doi.org/10.2514/1.35567
Autor:
Eike Stumpf, Thomas Zill, Simon Briceno, Christopher Raczynski, Stephane Dufresne, Peter Nolte, Arno Apffelstaedt, Thomas Rötger
In the eort to achieve carbon neutral growth on the path to a zero emission future in aviation IATA outlined its \technology roadmap for environmentally sustainable aviation" (TERESA) initiative bringing together manufacturers, scientists, government
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9351a51ef6f63aabb6f26f2079838b56
https://elib.dlr.de/75292/
https://elib.dlr.de/75292/
Autor:
Dimitri N. Mavris, Hongjun Ran, WoongJe Sung, Michelle Kirby, Stephane Dufresne, Graham Burdette
Publikováno v:
9th AIAA Aviation Technology, Integration, and Operations Conference (ATIO).
NextGen represents significant changes to the technology and procedures in the National Airspace System. NASA recognized the need to analyze the deployment of new vehicles within NextGen and has commissioned two research teams to quantify the effects
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::accbb334f8e91250e1957781bdc4f587
https://doi.org/10.2514/6.2009-7119
https://doi.org/10.2514/6.2009-7119
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 12, Pp o3138-o3138 (2011)
The unique 3,4-ethylenedioxythiophene (EDOT) unit of the title compound, C24H22N2O8S3·C3H6O, is twisted by 1.9 (3)° relative to the central thiophene ring. The three heterocyclic units are antiperiplanar. In the crystal, inversion dimers linked by
Externí odkaz:
https://doaj.org/article/eef860eeea5b45bcb62bd41d8f65978f
Autor:
Stéphane Dufresne, W. G. Skene
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 9, Pp o2302-o2302 (2011)
In the crystal structure of the title compound, C20H20N4O4S, the azomethine group adopt E conformations. The pyrrole units are twisted by 10.31 (4) and 18.90 (5)° with respect to the central thiophene ring. The three-dimensional network is close pac
Externí odkaz:
https://doaj.org/article/1661fbf56b36453c9649ae25197fcefa
Autor:
Stéphane Dufresne, W. G. Skene
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 12, Pp o3221-o3221 (2010)
The structure of the title compound, C16H19N3O4S, shows the planes described by the thiophene and the pyrroles are twisted by 17.06 (4)°. Additionally, the structure shows the azomethine bond adopts the E configuration, while the pyrrole is disorder
Externí odkaz:
https://doaj.org/article/214e80324d844a47a14841a6553bbad8
Autor:
Stéphane Dufresne, W. G. Skene
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 11, Pp o3027-o3027 (2010)
In the crystal structure of the title compound, C15H16N2O5S, the azomethine adopts the E configuration. The two heterocyclic rings adopt an antiperiplanar orientation. The mean planes of the thiophene and furan rings are twisted by 2.51 (4)°. The cr
Externí odkaz:
https://doaj.org/article/be6d37a910964bf79f3785846bdf7f40
Autor:
W. G. Skene, Stéphane Dufresne
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 5, Pp o782-o782 (2008)
Both imine bonds of the title compound, C21H21N3O4S2, were found to be in the E configuration. The terminal pyrrole and thiophene rings are twisted by 2.5 (3) and 2.3 (2)°, respectively, from the mean plane of the central thiophene to which they are
Externí odkaz:
https://doaj.org/article/4e03c086c2db4a648df612a2b6212618
Autor:
W. G. Skene, Stéphane Dufresne
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 4, Pp o710-o710 (2008)
The title compound, C20H18N2O6S, crystallizes as two independent molecules that are disposed about a pseudo-inversion center (1/2, 1/4, 1/8). The mean planes of the two terminal furyl rings are twisted with respect to the central thiophene ring by 7.
Externí odkaz:
https://doaj.org/article/9c8eca02efc046efa062ae4e314f9a6c