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Droplet Velocity in Horizontal Two‐phase Air/Water Free Jet Flow in Stagnant Ambient
Author(s) -
Surma R.,
Friedel L.
Publication year - 2004
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.200403181
Subject(s) - mechanics , nozzle , anemometer , jet (fluid) , isothermal process , radial velocity , entrainment (biomusicology) , drop (telecommunication) , turbulence , chemistry , thermodynamics , physics , telecommunications , stars , astronomy , rhythm , acoustics , computer science
For the case of an isothermal free jet flow the velocity and the size of the drops were measured with a Phase‐Doppler‐Anemometer. The axial velocity decay downstream from the nozzle outlet and the radial drop velocity profile are reproducible within reasonable limits, if a so‐called homogeneous flow mixture density in the nozzle outlet is introduced. In case of low mass flow qualities an adjustment of the entrainment coefficient and a virtual jet origin as well as a reduced exponent for the Gaussian function type radial velocity profile is required.