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ISSN: 1064-2277 Print
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Pages: 452
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Experimental Investigation of a Polydispersed Water Spray Impinging on a Conical Surface
C. Ghielmetti
Universitat Erlangen-Ntirnberg, Lehrstuhl fur Stromungsmechanik, CauerstraBe 4,91058 Erlangen, Germany
Marco Marengo
Engineering Faculty, University of Bergamo, viale Marconi 5, 24044 Dalmine, Italy
President of UNIHEAT srl, www.uniheat.it
Chr. Mundo
University of Erlangen-Nürnberg, Erlangen, Germany
Cam Tropea
Chair of Fluid Mechanics and Aerodynamics (SLA), TU Darmstadt, Germany, Petersenstr. 30, D-64287 Darmstadt, Germany
ABSTRACT
The impact of a polydispersed, hollow cone spray onto a centered conical surface is examined. The results take the form of local measurements of droplets size and velocity distributions using a phase Doppler anemometer. Of particular interest is the effect of changing the liquid film thickness on the impact surface. A thicker liquid film results in higher droplet concentration near the surface, however also droplets with lower velocities. The presented data are suitable also for verification of numerical simulation using Euler/Lagrange treatment of the continuum/dispersed phase.
pages 358-369
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