Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Christof Ocker"'
Publikováno v:
Wind Energy, Vol 25, Iss 1, Pp 149-167 (2022)
Abstract An experimental investigation on scaled wind turbine models in a wind tunnel with a microphone array is presented. Our study focuses on the localization and quantification of aerodynamic noise sources on rotating wind turbine blades with the
Externí odkaz:
https://doaj.org/article/b54860a0710e4bd6a168087b67654e0d
Autor:
Pascal Mindermann, Ralf Müllner, Erik Dieringer, Christof Ocker, René Klink, Markus Merkel, Götz T. Gresser
Publikováno v:
Applied Sciences, Vol 12, Iss 5, p 2296 (2022)
Additive manufacturing processes, such as coreless filament winding with fiber composites or laser powder bed fusion with metals, can produce lightweight structures while exhibiting process-specific characteristics. Those features must be accounted f
Externí odkaz:
https://doaj.org/article/455ca1bea46f4fb6a1f52e523aff6b8e
Publikováno v:
Quality Analysis of Additively Manufactured Metals ISBN: 9780323886642
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1fd1c921035821066596b5b3c4db522
https://doi.org/10.1016/b978-0-323-88664-2.00013-0
https://doi.org/10.1016/b978-0-323-88664-2.00013-0
Autor:
Nesma T. Aboulkhair, Stefan Becker, Michael Benoit, Federico Bosio, Piotr Breitkopf, Mathieu Brochu, Vedant Chahal, Dharmendra Chalasani, Felix Czwielong, Ali Cheloee Darabi, Charlotte de Formanoir, Kiarash Dogahe, Hugo Drexler, Mark Easton, Farzad Foadian, Thomas F. Geyer, Negar Gilani, Guo Dong Goh, Guo Liang Goh, Vinzenz Guski, Richard J.M. Hague, David K. Harrison, Rainer J. Hebert, Leonhard Hitzler, Amir Horr, Evgeniya Kabliman, Javad Kadkhodapour, Somayeh Khani, Alex Kingsbury, Thomas Klein, Robert Kremer, Johannes Kronsteiner, Jinghao Li, Wei Li, Roland E. Logé, Patrick Mehmert, Markus Merkel, Anooshe Sadat Mirhakimi, M.J. Mirzaali, Rajiv S. Mishra, Mohsen Mohammadi, Andrey Molotnikov, Hossein Montazerian, Erich Neubauer, Pascal Nicolay, Andreas Öchsner, Christof Ocker, Zinovieva Olga, Patrick O'Toole, Sandeep Patil, Chinmay Phutela, Balokhonov Ruslan, Felix Sajadi, Siegfried Schmauder, Dirk Schuhmann, Enes Sert, Nasim Shahriari, Swee Leong Sing, Robert Taylor, Saket Thapliyal, Christopher J. Tuck, Romanova Varvara, Ewald Werner, Roland Willmann, Wai Yee Yeong, A.A. Zadpoor, Dominic Zettel, Nanzhu Zhao, Yaoyao Fiona Zhao, J. Zhou, Hanyu Zhu
Publikováno v:
Quality Analysis of Additively Manufactured Metals ISBN: 9780323886642
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e4705786f7647621871c080ae832649
https://doi.org/10.1016/b978-0-323-88664-2.09990-5
https://doi.org/10.1016/b978-0-323-88664-2.09990-5
Autor:
Florian Krömer, Stefan Becker, Felix Czwielong, Markus Merkel, Wolfram Pannert, Thomas F. Geyer, Christof Ocker
Publikováno v:
AIAA Journal. 59:4969-4986
A detailed experimental study on the aerodynamic performance and noise emission of airfoils and fan blades with permeable leading edges under disturbed inflow conditions was performed. The airfoils...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18c688ac4cd7e086c28dca4c514ac0e3
https://doi.org/10.2514/1.j060396
https://doi.org/10.2514/1.j060396
Autor:
Christof Ocker, Stefan Becker, Thomas F. Geyer, Felix Czwielong, Markus Merkel, Paruchuri Chaitanya
Publikováno v:
AIAA AVIATION 2021 FORUM.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f772ba4206e62c5018e4f2034d1f74e7
https://doi.org/10.2514/6.2021-2192
https://doi.org/10.2514/6.2021-2192
Autor:
Christof Ocker, Wolfram Pannert
Publikováno v:
Acta Acustica, Vol 5, p 48 (2021)
A detailed study of the three-dimensional sound fields around a monopole point source in subsonic and supersonic rotation is investigated. We calculate the sound pressure, the acoustic velocity, as well as the instantaneous and time-averaged acoustic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::177dfa543dca6e0b61790fcf013dcb25
https://acta-acustica.edpsciences.org/articles/aacus/full_html/2021/01/aacus210066/aacus210066.html
https://acta-acustica.edpsciences.org/articles/aacus/full_html/2021/01/aacus210066/aacus210066.html
Autor:
Markus Merkel, Stefan Becker, Wolfram Pannert, Florian Krömer, Thomas F. Geyer, Felix Czwielong, Christof Ocker
Publikováno v:
AIAA AVIATION 2020 FORUM.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6db45f13796a3b379154d955329d0b5e
https://doi.org/10.2514/6.2020-2529
https://doi.org/10.2514/6.2020-2529
Publikováno v:
Acta Acustica. 6:48
A detailed experimental analysis of the aerodynamic and aeroacoustic properties of flat-plate axial fans with slitted leading edges is performed. The sound emissions of five slitted leading edge designs are measured at a constant rotational speed and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ea58d52fff2923560921dfd85284cd0
https://doi.org/10.1051/aacus/2022043
https://doi.org/10.1051/aacus/2022043