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Optical method for skin-friction measurements on fast-rotating blades

Schülein, Erich (2014) Optical method for skin-friction measurements on fast-rotating blades. Experiments in Fluids, 55 (1672), pp. 1-10. Springer. DOI: 10.1007/s00348-014-1672-1 ISSN 0723-4864

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Official URL: http://link.springer.com/article/10.1007/s00348-014-1672-1

Abstract

The movement of a thin oil film on the surface of fast-rotating disks or propeller blades is analyzed in the present work with the aim to find a means for skin-friction measurements. A new skin-friction measurement technique is proposed, the rotational-flow global interferometry skinfriction method, utilizing the relationship between the oilflow deflection angles, the induced centrifugal forces, and the skin friction. Finally, some results from initial windtunnel experiments using the proposed technique are presented.

Item URL in elib:https://elib.dlr.de/76810/
Document Type:Article
Additional Information:Published online: 31. January 2014
Title:Optical method for skin-friction measurements on fast-rotating blades
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schülein, Ericherich.schülein (at) dlr.deUNSPECIFIED
Date:2014
Journal or Publication Title:Experiments in Fluids
Refereed publication:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:55
DOI :10.1007/s00348-014-1672-1
Page Range:pp. 1-10
Publisher:Springer
ISSN:0723-4864
Status:Published
Keywords:Propeller, Rotating blade, Skin friction, Oil film, Interferometry, Optical measurement
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Military Technologies (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > High Speed Configurations
Deposited By: Schülein, Dr.rer.nat. Erich
Deposited On:17 Feb 2014 13:46
Last Modified:10 Jan 2019 15:52

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