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LED or LASER based lifetime PSP measurements

Henne, Ulrich and Yorita, Daisuke and Weiss, Armin and Geisler, Reinhard and Klein, Christian (2017) LED or LASER based lifetime PSP measurements. 6th German-Japanese Joint Seminar (GJJS), 25.-27. Sep. 2017, Stuttgart, Deutschland.

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Official URL: https://www.uni-hohenheim.de/

Abstract

Two different measurement techniques are compared in an application of pressure-sensitive paint (PSP) in a wind tunnel test at the transonic wind tunnel Göttingen (DNW-TWG). Besides the standard lifetime method with accumulation of many single exposures on a CCD camera by using LEDs as light sources, a single-shot technique using a modified CCD camera and a laser for excitation of the PSP was applied to measurements on the DLR Fl 7 model. The results of both techniques are in good agreement. While the standard Lifetime technique delivers better signal-to-noise ratio for a larger observable surface, the singleshot technique shows also potential for applications with fast rotating objects.

Item URL in elib:https://elib.dlr.de/118654/
Document Type:Conference or Workshop Item (Poster)
Title:LED or LASER based lifetime PSP measurements
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Henne, UlrichUNSPECIFIEDUNSPECIFIED
Yorita, Daisukedaisuke.yorita (at) dlr.deUNSPECIFIED
Weiss, ArminArmin.Weiss (at) dlr.deUNSPECIFIED
Geisler, ReinhardReinhard.Geisler (at) dlr.deUNSPECIFIED
Klein, ChristianChristian.Klein (at) dlr.deUNSPECIFIED
Date:2017
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:PSP, Lifetime, LED, Laser, single-shot, DLR F17
Event Title:6th German-Japanese Joint Seminar (GJJS)
Event Location:Stuttgart, Deutschland
Event Type:international Conference
Event Dates:25.-27. Sep. 2017
Organizer:Universität Hohenheim
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Experimental Methods, GO
Deposited By: Bachmann, Barbara
Deposited On:01 Feb 2018 15:47
Last Modified:01 Feb 2018 15:47

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