Suscripción a Biblioteca: Guest
Portal Digitalde Biblioteca Digital eLibros Revistas Referencias y Libros de Ponencias Colecciones
International Journal of Fluid Mechanics Research
ESCI SJR: 0.22 SNIP: 0.446 CiteScore™: 0.5

ISSN Imprimir: 2152-5102
ISSN En Línea: 2152-5110

Volumes:
Volumen 46, 2019 Volumen 45, 2018 Volumen 44, 2017 Volumen 43, 2016 Volumen 42, 2015 Volumen 41, 2014 Volumen 40, 2013 Volumen 39, 2012 Volumen 38, 2011 Volumen 37, 2010 Volumen 36, 2009 Volumen 35, 2008 Volumen 34, 2007 Volumen 33, 2006 Volumen 32, 2005 Volumen 31, 2004 Volumen 30, 2003 Volumen 29, 2002 Volumen 28, 2001 Volumen 27, 2000 Volumen 26, 1999 Volumen 25, 1998 Volumen 24, 1997 Volumen 23, 1996 Volumen 22, 1995

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.2017018920
pages 1-20

EFFECTS OF VISCOSITY ON TRANSIENT BEHAVIOR OF A LOW SPECIFIC SPEED CENTRIFUGAL PUMP IN STARTING AND STOPPING PERIODS

Yu-Liang Zhang
College of Mechanical Engineering, Quzhou University, 324000, Quzhou, China
Zu-Chao Zhu
The Zhejiang Provincial Key Lab of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China
Wen-Guang Li
Department of Fluid Machinery, Lanzhou University of Technology, 730050, Lanzhou, China
Jun-Jian Xiao
College of Mechanical Engineering, Quzhou University, 324000, Quzhou, China

SINOPSIS

Low specific speed centrifugal pumps have been extensively applied in petroleum, petro-chemical, and other industrial sectors to transport liquids in a variety of viscosity. Their transient performance during starting and stopping processes can be important for their operational reliability; however, this performance has not been tackled under pumping highly viscous oils conditions so far. In the article, the transient turbulent flows in a low specific speed centrifugal pump are simulated with CFD code in starting and stopping periods for three liquids. The effects of viscosity on instant performance parameters, head-flow rate curves, instant internal flow variables, and flow structures in the impeller and volute are demonstrated. The parameter synchronization characteristic, hysteresis phenomenon in head-flow rate curves, and pump affinity law modification are addressed. It is turn out that a highly viscous liquid can respond to the pump speed change more quick than water, but is subject to a more significant overshoot in the shaft-power curve; thus, a liquid with higher viscosity than water potentially can reduce the operational reliability of a low specific speed centrifugal pump during the starting period.


Articles with similar content:

Transient Behavior of Water-Oil Interface in an Upward Flow in Porous Media
Journal of Porous Media, Vol.6, 2003, issue 2
Yacine Ould-Amer, Salah Chikh
Experimental Study on a Prototype Centrifugal Pump with Open Impeller During Stopping Period
International Journal of Fluid Mechanics Research, Vol.43, 2016, issue 1
Bao-Ling Cui, Yi Li, Zu-Chao Zhu, Yu-Liang Zhang, Yi-Ni Sheng
DEVELOPMENT OF DIMENSIONLESS NUMBERS FOR HEAT TRANSFER IN POROUS MEDIA USING A MEMORY CONCEPT
Journal of Porous Media, Vol.15, 2012, issue 10
Sidqi A. Abu-Khamsin, M. Enamul Hossain
Bacteriobenthic Communities Influenced by Oil Pollution of Water Bodies
Hydrobiological Journal, Vol.43, 2007, issue 1
I. A. Kuznetsova, A. N. Dzyuban
CROSSFLOW MIXED CONVECTION HEAT TRANSFER FOR HORIZONTAL TUBE BANKS
First Thermal and Fluids Engineering Summer Conference, Vol.16, 2015, issue
Christy Laird, LiDong Huang