Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Volker Wittstock"'
Publikováno v:
Lubricants, Vol 12, Iss 8, p 287 (2024)
Hydrodynamic linear guides in machine tools offer a high load capacity and excellent damping characteristics, improving stability, precision, and vibration reduction. This study builds on previous research where floating heights were verified with a
Externí odkaz:
https://doaj.org/article/2e2a5c7f6f1b4edba6cf4039feac0669
Autor:
Welf-Guntram Drossel, Andreas Schubert, Matthias Putz, Hans-Joachim Koriath, Volker Wittstock, Sebastian Hensel, Alexander Pierer, Benedikt Müller, Marek Schmidt
Publikováno v:
International Journal of Smart and Nano Materials, Vol 9, Iss 1, Pp 56-67 (2018)
The technique joining by forming allows the structural integration of piezoceramic fibers into locally microstructured metal sheets without any elastic interlayers. A high-volume production of the joining partners causes in statistical deviations fro
Externí odkaz:
https://doaj.org/article/abd49bbf2b3a43008aa58c499c654b9f
Publikováno v:
Data in Brief, Vol 20, Iss , Pp 2017-2019 (2018)
The data provided contains personality variables as well as risk perception, choice data and learning outcomes after safety training which differed between subject regarding whether it was carried out in immersive virtual reality (VR) or as a PowerPo
Externí odkaz:
https://doaj.org/article/72c1e3029e664d72a4ccf2ccf0ef7791
Autor:
Andrzej Rysak, Michael Müller, Marek Borowiec, Jarosław Zubrzycki, Grzegorz Litak, Anna Godlewska-Lach, Volker Wittstock
Publikováno v:
Advances in Sciences and Technology, Vol 8, Iss 23, Pp 62-67 (2014)
Recent demand for powering small sensors for wireless health monitoring triggered activities in the field of small size efficient energy harvesting devices. We examine energy harvesting in an aluminium beam with a piezoceramic patch subjected to kine
Externí odkaz:
https://doaj.org/article/e511023f270a4f10856f1fd2b5fac706
Publikováno v:
INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 265:3626-3637
Sound power level is the key quantity to describe the noise emission of products and is needed to reduce noise at work, at home, and in the environment, e.g. for promoting and selecting low noise products (Sell and Buy Quiet). Sound power determinati
Publikováno v:
INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 265:5193-5198
Structure-borne sound sources affect the acoustic quality inside buildings. Based on many years of research, methods have been standardised to characterise structure-borne sound sources in the laboratory (EN 15657) and to predict the sound transmissi
Publikováno v:
INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 265:3574-3578
ISO 9614 describes the determination of sound power levels by the two microphone intensity technique. Despite some physical advantages the method is relatively seldom used. To improve this situation, theoretical and experimental investigations were p
Autor:
Volker Wittstock, Spyros Brezas
Publikováno v:
Acta Acustica united with Acustica. 105:960-969
Towards the establishment of traceability in sound power in airborne sound, the present study focuses on the dissemination procedure. Aerodynamic reference sound sources were studied as potential transfer standards. Initially, the sources were examin
Publikováno v:
Acta Acustica united with Acustica. 105:426-434
Publikováno v:
Forschung im Ingenieurwesen. 83:267-272
Aufgrund des hydrodynamischen Drucks schwimmen hydrodynamische Linearführungen bei hohen Geschwindigkeiten stark auf. Um die Arbeitsgenauigkeit der Führung ohne Verlust am Produktivität zu steigern, müssen die Kippung, die Aufschwimmhöhe und die