Structure of the rotor tip flow in a highly-loaded single-stage axial-flow pump approaching stall part i: Breakdown of the tip-clearance vortex

Proceedings of the ASME Heat Transfer/Fluids Engineering Summer Conference 2004, HT/FED 2004

Volumn 3, Issue , 2004, Pages 307-312

  Schrapp, H ^a   Stark, U ^a   Goltz, I ^a   Kosyna, G ^a   Bross, S ^b  

^a TECHNICAL UNIVERSITY OF BRAUNSCHWEIG   (Germany)

^b KSB AG   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

BRAGG CELLS; CAVITATION; FLUID STRUCTURE INTERACTION; PARAMETER ESTIMATION; PHOTOGRAPHY; PUMPS; VORTEX FLOW;

PRESSURE COEFFICIENT; ROTOR TIP FLOW; STALL; TIP-CLEARANCE VORTEX;

AXIAL FLOW;

EID: 21544476462     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1115/ht-fed2004-56780     Document Type: Conference Paper

References (9)

1. Delery, J., 1994. "Aspects of vortex breakdown". In Progress in Aeronautical Sciences, vol. 30, pp. 1-59.
2. Schlechtriem, S., and Lötzerich, M., 1997. "Breakdown of tip leakage vortices in compressors at flow conditions close to stall". ASME Paper No. 97-GT-41.
3. Furukawa, M., Inoue, M., Saiki, K., and Yamada, K., 1999. "The role of leakage vortex breakdown in compressor rotor aerodynamics". Transactions of the ASME, Journal of Turbomachinery, 121, pp. 469-480.
4. Hofmann, W., and Ballmann, J., 2004. "Shock-vortex interaction in a transonic turbocompressor". In New Results in Numerical and Experimental Fluid Mechanics IV, vol. 87 of Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer, pp. 458-466.
5. Goltz, I., Kosyna, G., Stark, U., Saathoff, H., and Bross, S., 2003. "Stall inception phenomena in a single-stage axial-flow pump". In Proceedings of the Institution of Mechanical Engineers, vol. 217 of Journal of Power and Energy, Institution of Mechanical Engineers, pp. 471-479.
6. Saffman, P., 1992. Vortex Dynamics. Cambridge University Press, Cambridge.
7. Schrapp, H., 2003. Theoretische Untersuchungen zum Aufplatzen des Spaltwirbels in einer Axial-Pumpe. Diploma Thesis, Technische Universität Braunschweig, Braunschweig.
8. Rains, D., 1954. Tip clearance flows in axial flow compressors amd pumps. Tech. Rep. 5, California Institute of Technology, Pasadena, CA.
9. Goltz, I., Kosyna, G., Wulff, D., Schrapp, H., Stark, U., Saathoff, H., and Bross, S., 2004. "Structure of the rotor tip flow in a highly loaded single-stage axial-flow pump approaching stall. Part II: Stall inception - Understanding the mechanism and overcoming its negative impacts". ASME Paper No. HT-FED2004-56770.