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Title: Doppler Global Velocimetry Dgv(): Whole Field Technique For Flow Research And Its Capabilities For Flowrate Measurements
Author: Harald Mller, Thomas Lehmacher, Volker Strunck, Rainer Kramer, Bodo Mickan, Dietrich Dopheide
Source: 2002 Measurement Science Conference
Year Published: 2002
Abstract: The paper describes the inherent potential of Doppler Global Velocimetry (DGV) for flow metrology. DGV is presented as an optical whole filed acquisition technique for the measurement of three dimensional velocity vector fields in pipes. The measurement plane is given by a light sheet illuminating the cross section of interest. In order to study the influence of installation effects on the flow rate measurement different pipe configurations are investigated. The aim is to show that DGV which has originally been used as whole field technique for high flow velocities in wind tunnels is also a promising technique for lower flow velocities up to 30 m/s to investigate perturbations of velocity fields downstream of special pipe configurations and their effect on flow meters installed.

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