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  1. Journal of Mechanical Science and Technology
  2. Journal of Mechanical Science and Technology : Volume 24
  3. Journal of Mechanical Science and Technology : Volume 24, Issue 7, July 2010
  4. Flow uniformity in a multi-intake pump sump model
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Journal of Mechanical Science and Technology : Volume 31
Journal of Mechanical Science and Technology : Volume 30
Journal of Mechanical Science and Technology : Volume 29
Journal of Mechanical Science and Technology : Volume 28
Journal of Mechanical Science and Technology : Volume 27
Journal of Mechanical Science and Technology : Volume 26
Journal of Mechanical Science and Technology : Volume 25
Journal of Mechanical Science and Technology : Volume 24
Journal of Mechanical Science and Technology : Volume 24, Issue 12, December 2010
Journal of Mechanical Science and Technology : Volume 24, Issue 11, November 2010
Journal of Mechanical Science and Technology : Volume 24, Issue 10, October 2010
Journal of Mechanical Science and Technology : Volume 24, Issue 9, September 2010
Journal of Mechanical Science and Technology : Volume 24, Issue 8, August 2010
Journal of Mechanical Science and Technology : Volume 24, Issue 7, July 2010
Dynamic behavior of valve system in linear compressor based on fluid-structure interaction
Parametric study of two-phase flow by integral analysis based on power law distribution
Flow uniformity in a multi-intake pump sump model
Molecular dynamics study on the effect of solution-wall interaction potential on the properties of solution in uniformly charged hydrophobic channel
Optimum channel intrusion depth for uniform flow distribution at header-channel junctions
Viscous dissipation influencing viscosity of polymer melt in micro channels
Spray jet penetration and distribution of modulated liquid jets in subsonic cross-flows
Passive reduction of large pressure variation for a high-speed express train in a narrow tunnel using an extra dummy tunnel duct
Flow around a freely falling square shape particle in a channel using direct-forcing fictitious domain method
Fluid-particle interaction simulations of the interception of red blood cells in shear flow
A numerical prediction on the reduction of microorganisms with UV disinfection
Wind power potential and characteristic analysis of Chiang Mai, Thailand
Development of the reference model for a residential heat pump system for cooling mode fault detection and diagnosis
Comparison of experimental and predicted atomization characteristics of high-pressure diesel spray under various fuel and ambient temperature
Experimental study on nanofludic heat pipe hot chuck plate in semiconductor wafer baking process
Interfacial effect on thermal conductivity of diamond-like carbon films
Interpretation of coal gasification modeling in commercial process analysis simulation codes
Experimental study of frost growth on a horizontal cold surface under forced convection
Study on the radiative transfer through non-gray gas mixtures within an irregular 3-D enclosure by using the modified weighted sum of gray gas method
Effect of buoyancy on soot formation in gas-jet diffusion flame
Theoretical and numerical analyses of a ceramic monolith heat exchanger
Dry and wet air-side performance of a louver-finned heat exchanger having flat tubes
Journal of Mechanical Science and Technology : Volume 24, Issue 6, June 2010
Journal of Mechanical Science and Technology : Volume 24, Issue 5, May 2010
Journal of Mechanical Science and Technology : Volume 24, Issue 4, April 2010
Journal of Mechanical Science and Technology : Volume 24, Issue 3, March 2010
Journal of Mechanical Science and Technology : Volume 24, Issue 2, February 2010
Journal of Mechanical Science and Technology : Volume 24, Issue 1, January 2010
Journal of Mechanical Science and Technology : Volume 23
Journal of Mechanical Science and Technology : Volume 22
Journal of Mechanical Science and Technology : Volume 21
Journal of Mechanical Science and Technology : Volume 20
Journal of Mechanical Science and Technology : Volume 19
Journal of Mechanical Science and Technology : Volume 18
Journal of Mechanical Science and Technology : Volume 17
Journal of Mechanical Science and Technology : Volume 16
Journal of Mechanical Science and Technology : Volume 15
Journal of Mechanical Science and Technology : Volume 14
Journal of Mechanical Science and Technology : Volume 13
Journal of Mechanical Science and Technology : Volume 12
Journal of Mechanical Science and Technology : Volume 11

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Flow uniformity in a multi-intake pump sump model

Content Provider SpringerLink
Author Choi, Jong Woong Choi, Young Do Kim, Chang Goo Lee, Young Ho
Copyright Year 2010
Abstract The head-capacity curves for pumps developed by the pump manufacturer are based on tests of a single pump operation in a semi-infinite basin with no close walls or floors and with no stray currents. Therefore, flow into the pump intake is with no vortices or swirling. However, pump station designers relying on these curves to define the operating conditions for the pump selected sometimes experience reductions of capacity and efficiency, as well as the increase of vibration and additional noise, which are caused by free air mixed with the pump inlet flow. Therefore, sump model test is necessary in order to examine the flow structure around pump intake. In this study, flow uniformity according to the flow distribution in the pump intake channel is examined to find out the cause of vortex occurrence in detail. A multi-intake pump sump model with 7 pump intakes and a single-intake pump sump model are adopted for the investigation. Furthermore, effectiveness of anti-submerged vortex device (AVD) for the suppression of the vortex occurrence in a single pump intake, as well as in a multi-intake pump sump model has been examined by the methods of experiment and numerical analysis. The results show that most high value of flow uniformity is found at the inlet of pump intakes #3 and 5 in the multi-intake pump sump with 7 pump intakes. Therefore, when the pump station is designed, the flow patterns at the upstream region of pump intake inlet in the forebay diffusing area should be to consider in detail because the unbalanced flow at the channel inlet region gives considerable influence on the vortex occurrence around bell-mouth. Strong submerged vortex can be successfully suppressed by AVD installation on the bottom of pump intake channel just below the bell mouth.
Starting Page 1389
Ending Page 1400
Page Count 12
File Format PDF
ISSN 1738494X
Journal Journal of Mechanical Science and Technology
Volume Number 24
Issue Number 7
e-ISSN 19763824
Language English
Publisher Korean Society of Mechanical Engineers
Publisher Date 2010-07-20
Publisher Place Heidelberg
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Pump sump model Free-surface vortex Submerged vortex Anti-submerged vortex device Flow uniformity Industrial and Production Engineering Vibration, Dynamical Systems, Control Mechanical Engineering
Content Type Text
Resource Type Article
Subject Mechanics of Materials Mechanical Engineering
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