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Influence of Agglomerates of Conducting Spheres on the Response of a Phase‐Doppler Anemometer
Author(s) -
Doicu Adrian,
Göbel Gerhard,
Wriedt Thomas,
Bauckhage Klaus
Publication year - 1998
Publication title -
particle and particle systems characterization
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.877
H-Index - 56
eISSN - 1521-4117
pISSN - 0934-0866
DOI - 10.1002/(sici)1521-4117(199810)15:5<225::aid-ppsc225>3.0.co;2-y
Subject(s) - anemometer , agglomerate , spheres , phase (matter) , doppler effect , diffraction , materials science , optics , alloy , physics , mechanics , composite material , quantum mechanics , astronomy , turbulence
The influence of agglomerates of solid conducting spheres on the response of a phase‐Doppler anemometer (PDA) is described for a two‐sphere system by using a ray theory model. First‐ and second‐order reflection and diffraction are considered for far‐field calculations of the PDA phase difference. The numerical simulations are accompanied and supported by experimental results. Two‐sphere systems of Sn 63 Pb 37 alloy particles were captured inside an electrodynamic trap and investigated with a standard phase‐Doppler system.