Distributed Laser Doppler Velocimetry: A New Tool for Experimental Fluid-Mechanics,

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Abstract:

A novel monobeam Distributed Laser Doppler Velocimeter, DLDV, that permits a fast recovery of the flow profile is described. The DLDV use of low-coherence multiplexing concept, along a reference-beam backscattering LDV scheme, to realize a remote addressing of the flow point. The experimental results of flow profile recovery by an all fiber DLDV implementation is reported along with a theoretical analysis of the novel scheme. The results confirm the exceptional capabilities offered by the DLDV in experimental fluid mechanics. Author

Author(s):
Gusmeroli, V. ; Martinelli, M. ; Angelico, G.
Author Organization(s):
CENTRO INFORMAZIONI STUDI ESPERIENZE MILAN (ITALY)
Supplementary Note:
This article is from 'International Symposium on Applications of Laser Techniques to Fluid Mechanics and Workshop on Computers in Flow Measurements (6th) Held in Lisbon, Portugal on July 20-23, 1992', AD-A258 510, p2.5.1-2.5.5.
Pagination:
0005

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Monitor Series:
R/D
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*FLOWMETERS, *LASER VELOCIMETERS, DOPPLER EFFECT, BACKSCATTERING, OPTICAL PROCESSING, MULTIPLEXING, FLUID MECHANICS, ITALY
Field(s)/Group(s):
Fluid Mechanics, Test Facilities, Equipment and Methods
Keyword(s):
Component Reports, Foreign reports, DLDV(Distributed Laser Doppler Velocimeters)
Report Date:
1992 Jul 23