Fibre optic laser anemometry for turbomachinery applications

N. A. Ahmed, S. Hamid, R. L. Elder, C. P. Forster, R. P. Tatam, J. D C Jones

Research output: Contribution to journalArticlepeer-review

54 Citations (Scopus)


In this paper we present two fibre optic based laser anemometers for flow measurement inside turbomachinery. A two-spot anemometer is described that has been utilised to measure flows in an axial compressor at velocities up to 40 ms-1. The second instrument is a novel 3D laser Doppler velocimeter that uses a technique of oblique backscatter to allow sequential measurement of the three orthogonal velocity components. This instrument is shown to produce 3D measurements in a centrifugal compressor operating at up to 30 000 rpm with velocities up to 100 ms-1. © 1992.

Original languageEnglish
Pages (from-to)193-205
Number of pages13
JournalOptics and Lasers in Engineering
Issue number2-3
Publication statusPublished - 1992


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