The computational domain is one of the major factors inducing CFD uncertainty. The effects of different computational domains and several key issues on CFD simulation results for centrifugal pumps are studied, such as the effects of modeling methods and boundary conditions on the whole computational domain numerical simulation. The study results indicate that the prediction accuracy of the whole computational domain is higher than that of the non-whole computational domain. The velocity distribution obtained by the whole computational domain in the gap between the impeller and volute is significantly layered, while the distribution obtained by the non-whole computational domain is triangular. The relative velocity distribution in the impeller and the turbulent kinetic energy in the volute for the two computational domains are obviously different, too. The number of the interfaces has little impact on the prediction accuracy. The rotational attribute of the chamber wall has a little effect on velocity and turbulent kinetic energy distribution, but the rotational attribute of the chamber wall can significantly improve the prediction accuracy of efficiency.
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ASME-JSME-KSME 2011 Joint Fluids Engineering Conference
July 24–29, 2011
Hamamatsu, Japan
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-4440-3
PROCEEDINGS PAPER
The Effects of Different Computational Domain and Several Key Issues on CFD Simulated Results for Centrifugal Pumps
Liang Dong,
Liang Dong
Jiangsu University, Zhenjiang, Jiangsu, China
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Hou-lin Liu,
Hou-lin Liu
Jiangsu University, Zhenjiang, Jiangsu, China
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Ming-gao Tan,
Ming-gao Tan
Jiangsu University, Zhenjiang, Jiangsu, China
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Yong Wang,
Yong Wang
Jiangsu University, Zhenjiang, Jiangsu, China
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Kai Wang
Kai Wang
Jiangsu University, Zhenjiang, Jiangsu, China
Search for other works by this author on:
Liang Dong
Jiangsu University, Zhenjiang, Jiangsu, China
Hou-lin Liu
Jiangsu University, Zhenjiang, Jiangsu, China
Ming-gao Tan
Jiangsu University, Zhenjiang, Jiangsu, China
Yong Wang
Jiangsu University, Zhenjiang, Jiangsu, China
Kai Wang
Jiangsu University, Zhenjiang, Jiangsu, China
Paper No:
AJK2011-24003, pp. 3831-3839; 9 pages
Published Online:
May 25, 2012
Citation
Dong, L, Liu, H, Tan, M, Wang, Y, & Wang, K. "The Effects of Different Computational Domain and Several Key Issues on CFD Simulated Results for Centrifugal Pumps." Proceedings of the ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D. Hamamatsu, Japan. July 24–29, 2011. pp. 3831-3839. ASME. https://doi.org/10.1115/AJK2011-24003
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