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Spontaneous rotational Raman thermometry for air flow characterization in a turbomachine test rig

Scherman, Michael and Santagata, Rosa and Faleni, Jean-Pierre and Orain, Mikael and Bresson, Alexandre and Attal-Trétout, Brigitte and Krumme, Alexander (2019) Spontaneous rotational Raman thermometry for air flow characterization in a turbomachine test rig. Journal of Raman Spectroscopy, 50 (9), pp. 1276-1282. Wiley. DOI: 10.1002/jrs.5712 ISSN 0377-0486

Full text not available from this repository.

Official URL: https://onlinelibrary.wiley.com/doi/full/10.1002/jrs.5712

Abstract

Noninvasive and accurate measurements are essential to study the reactive flows in aeronautical engines. This paper reports the results of a unique measurement campaign providing the temperature flow field in a largescale facility turbomachine test rig using spontaneous rotational Raman scattering technique. Different planes of interest and operating conditions are probed, showing good agreement with thermocouple measurements. Fast temperature variations (>7.7 kHz) could be probed thanks to synchronization of the laser pulse with the rotor clock. The results outline the performance of in situ Raman technique to investigate steady and unsteady flows in turbines conditions.

Item URL in elib:https://elib.dlr.de/132509/
Document Type:Article
Title:Spontaneous rotational Raman thermometry for air flow characterization in a turbomachine test rig
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Scherman, Michaelmichael.scherman (at) onera.frUNSPECIFIED
Santagata, RosaONERAUNSPECIFIED
Faleni, Jean-PierreONERAUNSPECIFIED
Orain, MikaelONERA, DMPHUNSPECIFIED
Bresson, AlexandreONERAUNSPECIFIED
Attal-Trétout, BrigitteONERAUNSPECIFIED
Krumme, AlexanderAlexander.Krumme (at) dlr.deUNSPECIFIED
Date:31 July 2019
Journal or Publication Title:Journal of Raman Spectroscopy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:50
DOI :10.1002/jrs.5712
Page Range:pp. 1276-1282
Publisher:Wiley
Series Name:Journal of Raman Spectroscopy Special Issue: ECONOS 2018
ISSN:0377-0486
Status:Published
Keywords:laser diagnostics, Raman spectroscopy, spontaneous Raman scattering, thermometry, turbomachine
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignment
DLR - Research theme (Project):L - no assignment
Location: Göttingen
Institutes and Institutions:Institute of Propulsion Technology > Turbine
Deposited By: Krumme, Dr.-Ing. Alexander
Deposited On:10 Dec 2019 13:57
Last Modified:10 Dec 2019 13:57

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