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| Title: | THE EFFECT OF TIP END-BLADE GEOMETRY ON THE AXIAL FANS PERFORMANCE |
| Authors: | S. A. BESKALES, SAMIR S. AYAD, M. G. HIG A ZY and O. E. ABDELLATIF |
| Year: | 2013 |
| Keywords: | KEYWORDS Axial fan performance, Blade tip, CFD, Endplate, Simulation, Winglet, Tip leakage flow. |
| Journal: | Proceedings of ICFD11: Eleventh International Conference of Fluid Dynamics |
| Volume: | vol 1 |
| Issue: | 2013 |
| Pages: | 1-8 |
| Publisher: | ICFD11 |
| Local/International: | Local |
| Paper Link: | Not Available |
| Full paper | Not Available |
| Supplementary materials | Not Available |
| Abstract: |
ABSTRACT A numerical study is carried out to investigate the effect of the addition of wing let to the end of blade on the axial fan performance. Validation and assessment of the used computer program FLUENT 6.2, is carried out by comparing its result with previous researcher. Simulation is then carried out to analyze the flow pattern with and without a winglet attached to the fan blade. Velocity distribution produced numerically showed that the winglet suppresses the secondary flow at the tip gap. Pressure distributions also confirmed the winglet advantages. Calculated performance of the fan used showed general increase of the fan efficiency with 3.5% above those without winglet at the optimum efficiency point and with up to 6 % at off design point. |
