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Application of planar imaging velocimetry in combustion test facilities and transonic compressors

Willert, Christian (2007) Application of planar imaging velocimetry in combustion test facilities and transonic compressors. GALCIT Seminar, 2008-09-27, Pasadena (USA). (Unpublished)

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While the development and application of planar velocimetry methods is finding an increased range of applications throughout the engineering field involving fluid mechanics, the successful application of these advanced methods remains a challenge in many of the frequently termed "real-world applications." The validation of numerical tools used in the design processes of turbomachinery components in particular requires highly spatially (and ideally temporally) resolved data from environments that are representative of full scale facilities (e.g. combination of high pressure, velocity and temperature with and without reaction). The successful implementation of modern imaging diagnostics in combustion test facilities as well as transonic compressor and turbine rigs requires adequate handling of a wide variety of problems, ranging from optical access, choice of proper seeding materials, image acqusition strategy, post-processing, etc. The presentation highlights several challenging applications of particle image velocimetry (PIV), Doppler global velocimetry (DGV), combined DGV-PIV, as well as OH-chemiluminescence in large combustor facilities and highly loaded compressors. Emphasis is placed on the experimental aspects of the applications rather than the interpretation of the acquired flow field data because many of the encountered problems and chosen solution strategies are unique to this area of velocimetry application.

Item URL in elib:https://elib.dlr.de/55289/
Document Type:Conference or Workshop Item (Speech)
Title:Application of planar imaging velocimetry in combustion test facilities and transonic compressors
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Date:27 September 2007
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:PIV, particle image velocimetry, DGV, Doppler global velocimetry, flow diagnostics, combustion, imaging techniques, transonic flow
Event Title:GALCIT Seminar
Event Location:Pasadena (USA)
Event Type:Other
Event Dates:2008-09-27
Organizer:Graduate Aeronautical Laboratories, California Institute of Technology
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems (old)
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Virtual Engine and Validation Methods (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology > Engine Measurement Systems
Deposited By: Willert, Dr.phil. Christian
Deposited On:06 Oct 2008
Last Modified:27 Apr 2009 15:13

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