Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 31103
Effect of Various Nozzle Profiles on Performance of a Two Phase Flow Jet Pump

Authors: Vishnu Prasad Sharma, S. Kumaraswamy, A. Mani

Abstract:

This paper reports on the results of experimental investigations on the performance of a jet pump operated under selected primary flows to optimize the related parameters. For this purpose a two-phase flow jet pump was used employing various profiles of nozzles as the primary device which was designed, fabricated and used along with the combination of mixing tube and diffuser. The profiles employed were circular, conical, and elliptical. The diameter of the nozzle used was 4 mm. The area ratio of the jet pump was 0.16. The test facility created for this purpose was an open loop continuous circulation system. Performance of the jet pump was obtained as iso-efficiency curves on characteristic curves drawn for various water flow rates. To perform the suction capability, evacuation test was conducted at best efficiency point for all the profiles.

Keywords: two phase flow, jet pump, performance test, Evacuation test, nozzle profile, nozzle spacing

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1058675

Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 3012

References:


[1] C. Pfleiderer, "Experiments on jet pump for its performance,” 1914, C. Zeit., VDI, 58, 965 &1011
[2] R. C. Martinelli, L. M. K. Boelter, T. H. M. Taylor, E. G. Thomsen, and E. H. Morrin, "Theoretical and experimental analysis of ejectors”, 1944, Trans. ASME, 66, pp. 139-151
[3] J. H. Witte, "Mixing shocks and their influence on the design of liquid-gas ejectors,” 1962, Dissertation, Delft.
[4] J. H. Witte, "Efficiency and design of liquid-gas ejectors,” 1965, British Chemical Engg., 10, pp. 602-607
[5] R. L. Betzler, "The Liquid–Gas Jet Pump Analysis and Experimental Results,” 1969, M.S. Dissertation, Braunschweig.
[6] S. T. Bonnington, "Jet Pumps and Ejectors, A State of the Art review and bibliography,” 1972, BHRA Fluid Engg., Cranfield, Bedford, UK.
[7] R. G. Cunningham, "Gas Compression with the Liquid Jet Pump,” 1974, Trans. ASME, J. Fluids Engg., Series 1, 94(3) pp. 203–215
[8] B. D. Vyas, and S. Kar, "Study of entrainment and mixing process for an air to air ejector,” 1975, BHRA Fluid Engg. Proc., 2nd Symposium on Jet Pumps, Ejectors and Gas Lift Techniques, Cambridge, C2-15-C2-25.
[9] H. Schmitt, "Diversity of Jet Pumps and Ejector Techniques,” 1975, 2nd Symp, Jet Pumps and Ejectors and Gas Lift Techniques, pp. A4-35-50.
[10] IS 14615 (part 1) : 1999/ISO 5167-1 : 1991, pp. 25-30.
[11] R. Senthil Kumar, A. Mani, and S. Kumaraswamy, "Selection of Pumps for Vacuum Desalination System Utilizing Ocean Thermal Energy," 2004, 31st National Conference on Fluid Mechanics and Fluid Power, Vol. 1, pp. 409–416.
[12] R. Senthil Kumar, A. Mani, and S. Kumaraswamy, "Experimental Investigation on Two-Phase Jet Pump used in Desalination System," 2007, Desalination, 204, pp. 437-447.