ICLASS 97
Proceedings of the Seventh International Conference on Liquid Atomization and Spray Systems

ISBN Print: 89-950039-2-8

Experimental Investigation of a Polydispersed Water Spray Impinging on a Conical Surface

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DOI: 10.1615/ICLASS-97.150
pages 125-132

C. Ghielmetti Universitat Erlangen-Ntirnberg, Lehrstuhl fur Stromungsmechanik, CauerstraBe 4,91058 Erlangen, Germany

Marco Marengo Advanced Engineering Centre, School of Computing Engineering and Mathematics, Cockcroft Building, Lewes Road, University of Brighton, Brighton BN2 4GJ, UK; Department of Engineering, University of Bergamo, Viale Marconi 5, 24044 Dalmine (BG), Italy; Department of Civil Engineering and Architecture, University of Pavia, via Ferrata 3, 27100, Pavia, Italy

Chr. Mundo University of Erlangen-Nürnberg, Erlangen, Germany

Cameron Tropea Technische Universitat Darmstadt, Institute for Fluid Mechanics and Aerodynamics, Alarich-Weiss-Str. 10, 64287 Darmstadt, Germany

Sinopsis

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.

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