NDLI: Numerical Simulation and PIV Measurement on the Internal Flow in a Centrifugal Mini Pump

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Shao, Jie Liu, Shuhong Yuan, Huijing Wu, Yuliun
Copyright Year	2008
Abstract	This paper reports on the internal flow of a centrifugal mini pump. The RNG k-epsilon turbulence model was employed to simulate the three-dimensional turbulent flow in the pump. To examine and certify the simulation results, a transparent acrylic centrifugal mini pump model which is suitable for PIV measurement has been developed. The tongue region and the passages region between blades were investigated using PIV. In order to eliminate the effect of refraction on the area close to the wall and increase the measurement accuracy, the fluorescent particles were scatted into the working fluid with the tracing particles. It is found from the calculation and PIV measurement results that there is a large area of recirculation flow near the tongue at low flow rate working conditions. The computationally predicted water head using the RNG k-epsilon turbulence model are in very good agreement with the experimentally measured water head and the mean velocity distributions at investigation area obtained by PIV and calculation showed a satisfactory agreement as well. Meanwhile, the results of PIV measurements show that the flow status in one passage is different to another. And for capturing the internal flow detail information, the RNG k-epsilon turbulence model is not very suitable.
Sponsorship	Fluids Engineering Division
Starting Page	1107
Ending Page	1113
Page Count	7
File Format	PDF
ISBN	9780791848401
DOI	10.1115/FEDSM2008-55025
e-ISBN	0791838323
Volume Number	Volume 1: Symposia, Parts A and B
Conference Proceedings	ASME 2008 Fluids Engineering Division Summer Meeting collocated with the Heat Transfer, Energy Sustainability, and 3rd Energy Nanotechnology Conferences
Language	English
Publisher Date	2008-08-10
Publisher Place	Jacksonville, Florida, USA
Access Restriction	Subscribed
Subject Keyword	Piv Mini pump Rng k-epsilon turbulence model Turbulence Internal flow Computer simulation Pumps
Content Type	Text
Resource Type	Article

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