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TECHNICAL PAPERS

Analysis of Vortical Flow Field in a Propeller Fan by LDV Measurements and LES—Part I: Three-Dimensional Vortical Flow Structures

[+] Author and Article Information
Choon-Man Jang, Masato Furukawa, Masahiro Inoue

Department of Mechanical Science and Engineering, Kyushu University, Fukuoka, Japan

J. Fluids Eng 123(4), 748-754 (Jul 21, 2001) (7 pages) doi:10.1115/1.1412565 History: Received April 28, 2000; Revised July 21, 2001
Copyright © 2001 by ASME
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References

Figures

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Schematic view of test propeller fan rotor: Front view (left) and side view (B-B) (right)
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Configuration of bell-mouth type shroud
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Total performance of test propeller fan
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Top sectional view of experimental apparatus
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Side sectional view of experimental apparatus
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Meridional view of computational domain
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Computational grid system for block 1 with 50 percent grid density. (a) Cross-section views: top view near tip (left) and front view near leading edge (right) (b) perspective view.
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Tangentially averaged velocity vectors and streamlines on meridional plane (LDV results)
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Tangential distribution of meridional velocity vectors and streamlines (LDV results)
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Trajectory of tip vortex core
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Tangentially averaged distribution of axial momentum flux and meridional streamlines in time-averaged flow field (LES result)
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Vortex cores colored with normalized helicity in time-averaged flow field (LES result)
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Vortex cores colored with normalized helicity (RANS result)
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Instantaneous structures of tip vortex (TV) and leading edge separation vortex (LSV) colored with streamwise absolute vorticity, and streamlines surrounding vortex cores at t=604 (LES result)
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Instantaneous structures of tip vortex (TV) and leading edge separation vortex (LSV) colored with normalized helicity, and vortex lines surrounding vortex cores at t=604 (LES result)

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