The Investigation of the Cavitation Phenomenon in the Laval Nozzle with Full and Partial Surface Wetting

Open access

Abstract

The article deals with the cavitation phenomenon affected by full and partial wetting of the wall. For the numerical computation of flow in the Laval nozzle the Schnerr-Sauer cavitation model was tested and was used for cavitation research of flow within the nozzle considering partial surface wetting. The coefficient of wetting for various materials was determined using experimental, theoretical and numerical methods of fluid flow due to partial surface wetting.

[1] C. E. Brennen, Cavitation and bubble dynamics. Cambridge University Press, 1995.

[2] J. Noskievič, Cavitation. Praha: Czech Academy of Sciences, 1969.

[3] D. Cannizzaro, G. Pezzinga. Energy Dissipation in Transient Gaseous Cavitation. J. Hydraul. Eng., 2005, 724 - 732. DOI: 10.1061/(ASCE)0733-9429 (2005)131:8(724)

[4] M. Čarnogurská. Fundamentals of Mathematical and Physical Modeling in Fluid Mechanics and Thermodynamics. Vienala, Košice. 2000. (in Slovak)

[5] C. E. Brennen. Fundamentals of Multiphase Flow. Cambridge University Press, USA., 2005.

[6] ANSYS FLUENT INC. Fluent 15.0, Help - User’s guide. Fluent Inc., 2012

[7] ANSYS FLUENT INC. Fluent 15.0, Help - Theory guide. Fluent Inc., 2012

[8] D. Bílý, M. Kozubková. Dynamics behaviour of the cavitation field. Journal of Applied Science in the Thermodynamics and Fluid Mechanics, 2011 (9), No. 2, 1-8.

[9] M Kozubková. Mathematical Models of Cavitation and Hydraulic Shock. VŠB-TUO, Ostrava. 2009 (in Czech)

[10] F. Pochylý, S. Fialová, V. Habán, L. Rinka. The Wettability of the Liquid-Solid Interface. FIV 2008 - Flow-Induced Vibration. 2008, 47 - 52.

[11] F. Pochylý, S. Fialová, M. Kozubková, L. Zavadil. Assessment of cavitation creation depending on the surface wettability. 25th IAHR Symposium on Hydraulic Machinery and Systems, 2010 (12), No. 1, 1 - 9.

[12] L. Zavadil, S. Drábková, M. Kozubková, B. Frodlová. The Influence of the Partial Surface Wetting on the Flow Field in a Pipe with Circular Cross-section. Transactions of the VŠB - Technical University of Ostrava, Mechanical Series, 2011 (57), No. 1, 267 -274.

[13] B. Frodlová, P. Rudolf, L. Zavadil, M. Kozubková, J. Rautová, Effect of Partial Wettability on the Flow and Cavitation Area in the Laval Nozzle. Transactions of ANSYS 2011 Conference, 2011, 1 - 8. (in Czech)

[14] Leighton, T.: The Acoustic Bubble. Physics In Medicine And Biology. Academic Press: 1997, p. 613. ISBN: 978-0-12-441921-6

[15] Cheremisinoff N. P.: Noise Control in Industry. William Andrew: 1996. 203 p. ISBN: 978-0-8155-1399-5.

[16] F. Pochylý, L. Rinka: Surface energy in the boundary layer of the droplet and the solid surface, research report, VUT, 2007

[17] S. Fialová, F. Pochylý. Identification and experimental verification of the adhesive coefficient of hydrophobic materials, 18th International Seminar on Hydropower Plants, November 2014, Austria

[18] Maklakov D. V., Suleimanov S. Z.: Jet Impingement on a Wall of Arbitrary Configuration. Fluid Dynamics. 2014 (49), No. 4. ISSN 0015 - 4628.

[19] Z. Csuka, R. Olšiak, Z. Fuszko. Research of Cavitation at High Shear Stress. Journal of Mechanical Engineering - Strojnícky časopis, 2016 (66), No. 1, 7 - 16. ISSN 0039-2472

[20] V. Goga, B. Hučko. Phenomenological Material Model of Foam Solids. In Journal of Mechanical Engineering - Strojnícky časopis, 2015 (65), No. 1, 5 - 20, ISSN 0039-2472

Journal Information

Metrics

All Time Past Year Past 30 Days
Abstract Views 0 0 0
Full Text Views 111 111 7
PDF Downloads 73 73 7