A theoretical relationship between NPSH and erosion rate for a centrifugal pump

Book · Sat Dec 31 00:00:00 EST 1994

OSTI ID:100926

Kale, R D; Sreedhar, B K ^[1]

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1. Indira Gandhi Centre for Atomic Research, Tamil Nadu (India)

Cavitation in turbomachines adversely affects not only the performance of the machine but is also detrimental to equipment life. The practice of ensuring NPSH{sub av} > NPSH{sub 3%} does not eliminate cavitation erosion as cavitation inception is found to occur at much higher values of the available NPSH. This paper attempts to develop a theoretical relationship between the erosion rate and NPSH for a centrifugal pump as this can be of immense value in correlating the maximum erosion rate NPSH with NPSH{sub 3%}. This is pertinent for liquid metal fast breeder reactor pumping systems.

• OSTI ID: 100926
• Report Number(s): CONF-940659-; ISBN 0-7918-1373-8; TRN: 95:019685
• Resource Relation: Conference: 1994 American Society of Mechanical Engineers (ASME) Fluids Engineering Division summer meeting, Lake Tahoe, NV (United States), 19-23 Jun 1994; Other Information: PBD: 1994; Related Information: Is Part Of Cavitation and gas-liquid flow in fluid machinery and devices. FED-Volume 190; O`Hern, T.J.; Kim, J.H.; Morgan, W.B.; Furuya, O. [eds.]; PB: 350 p.
• Country of Publication: United States
• Language: English

Related Subjects

21 NUCLEAR POWER REACTORS AND ASSOCIATED PLANTS
LMFBR TYPE REACTORS
CENTRIFUGAL PUMPS
CAVITATION
EROSION
SERVICE LIFE
BUBBLE GROWTH
THEORETICAL DATA