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2013 (Vol. 6, Issue: 13)
Article Information:

Numerical Optimization of Impeller for Backward-Curved Centrifugal Fan by Response Surface Methodology (RSM)

Fannian Meng, Quanlin Dong, Yan Wang, Pengfei Wang and Chunxi Zhang
Corresponding Author:  Fannian Meng 

Key words:  Centrifugal fan, CFD, impeller, numerical optimization, RSM, ,
Vol. 6 , (13): 2436-2442
Submitted Accepted Published
December 20, 2012 January 25, 2013 August 05, 2013
Abstract:

A numerical optimum study on three-dimensional unsteady viscous flow in a centrifugal fan with backward-curved blades was performed. The influence of the inlet angle, the outlet blade angle and blade number on aerodynamic performance of the centrifugal fan was analyzed concerning the whole impeller-volute configuration. Response Surface Methodology (RSM) based on a three-level, three -variable Box-Behnken Design (BBD) was used to evaluate the interactive effects of factors such as inlet blade angle (37-41), outlet blade angle (61-65) and number of blade (10-14) on the efficiency. The optimum factors deriving via RSM were: inlet blade angle 37, outlet blade angle 61.7 and blade number 14. The maximum efficiency was 93.7%, under optimum conditions. The method of reliable CFD technique in combination with RSM can be effectively applied to the improvement and experiment design of centrifugal fans.
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  Cite this Reference:
Fannian Meng, Quanlin Dong, Yan Wang, Pengfei Wang and Chunxi Zhang, 2013. Numerical Optimization of Impeller for Backward-Curved Centrifugal Fan by Response Surface Methodology (RSM).  Research Journal of Applied Sciences, Engineering and Technology, 6(13): 2436-2442.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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