Numerical calculation and analysis on axial thrust in screw centrifugal pump

doi:10.3969/j.issn.1674-8530.2012.05.007

	Numerical calculation and analysis on axial thrust in screw centrifugal pump
	Li, Rennian 1; Quan, Hui 1; Han, Wei 1; Li, Qifei 1; Su, Qingmiao 2
刊名	Paiguan Jixie Gongcheng Xuebao/Journal of Drainage and Irrigation Machinery Engineering
	2012-09-01
卷号	30 期号:5 页码:527-531
关键词	Centrifugal pumps Computational fluid dynamics Impellers Navier Stokes equations Particle size Screws Turbulence models Volume fraction Axial thrust Computational results Numerical calculation Physical property parameters Screw centrifugal pumps Solid volume fraction Solid-liquid two phase flows Two-equation turbulence models
ISSN号	16748530
DOI	10.3969/j.issn.1674-8530.2012.05.007
英文摘要	When the axial thrust is estimated in a screw centrifugal pump under solid-liquid two-phase flow conditions by means of ordinary analytical methods, there exists problems, such as mathematic models establishment of flow and difficulties in closure of the models. Thus in order to predict the axial thrust precisely and to correlate it to the physical property parameters of the medium handled by the pump, the axial thrust in the screw centrifugal pump of type 150×100LN-32 was calculated when it transported a sand water two phase fluid by using CFD code Fluent. The two phase flow in the pump was described by the time-averaged Navier-Stokes equations in relative coordinate systems and the mixture model. The standard k-Ε two equation turbulence model and the SIMPLE algorithm were used in numerical simulations. An axial thrust was calculated after the pressure distributions in the pump were available. In this way, the problems and the difficulty aforementioned can be avoided. The relations of axial thrust to solid volume fraction, particle diameter and flow rate of the two phase flow were explored by using the computational results. The results showed that the axial thrust rises with increasing solid volume fraction, but reduces with increasing flow rate and particle diameter. The conclusion is of great significance for improving the stability of the pump and extending its lifespan.
语种	中文
出版者	Editorial Department of Journal of Drainage and Irrigation Machinery Engineering
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/110990]
专题	能源与动力工程学院新能源学院
作者单位	1.School of Energy and Power Engineering, Lanzhou University of Technology, Lanzhou, Gansu 730050, China; 2.School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, Gansu 730050, China
推荐引用方式 GB/T 7714	Li, Rennian,Quan, Hui,Han, Wei,et al. Numerical calculation and analysis on axial thrust in screw centrifugal pump[J]. Paiguan Jixie Gongcheng Xuebao/Journal of Drainage and Irrigation Machinery Engineering,2012,30(5):527-531.
APA	Li, Rennian,Quan, Hui,Han, Wei,Li, Qifei,&Su, Qingmiao.(2012).Numerical calculation and analysis on axial thrust in screw centrifugal pump.Paiguan Jixie Gongcheng Xuebao/Journal of Drainage and Irrigation Machinery Engineering,30(5),527-531.
MLA	Li, Rennian,et al."Numerical calculation and analysis on axial thrust in screw centrifugal pump".Paiguan Jixie Gongcheng Xuebao/Journal of Drainage and Irrigation Machinery Engineering 30.5(2012):527-531.