IGTC-43 / ASME-83-GTJ-12 INFLUENCE OF DIHEDRAL ON THE SECONDARY FLOW IN A TWO DIMENSIONAL COMPRESSOR CASCADE(Session B-1 Aerodynamics I (Steady Flow))

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概要

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• An experimental investigation of the influence of blade dihedral on the secondary flow in a two dimensional NACA-65 series compressor cascade is performed. Two inlet boundary layer thicknesses are used on the end walls and comparisons are made up to 35° dihedral at near nominal incidence angle. A large influence on losses and loss distribution is observed, flow turning is mainly affected in the spanwise distribution. The acute angle between the blade suction surface and end wall has a beneficial effect on the overall and secondary flow loss. The application of this acute angle on both sides in a rectilinear cascade did not provide the same improvements.

• 公益社団法人日本ガスタービン学会の論文

著者

• Breugelmans F.A.E.

  von Karman Institute

• Carels Y.

  Von Karman Institute For Fluid Dynamics

• Demuth M.

  von Karman Institute for Fluid Dynamics

関連論文

• IGTC-79 MEASUREMENT OF THE RADIAL FLOW ALONG A LOW SPEED COMPRESSOR BLADING DURING UNSTALLED AND STALLED OPERATION(Session B-11 Unsteady Aerodynamics II)
• IGTC-43 / ASME-83-GTJ-12 INFLUENCE OF DIHEDRAL ON THE SECONDARY FLOW IN A TWO DIMENSIONAL COMPRESSOR CASCADE
• IGTC-43 / ASME-83-GTJ-12 INFLUENCE OF DIHEDRAL ON THE SECONDARY FLOW IN A TWO DIMENSIONAL COMPRESSOR CASCADE(Session B-1 Aerodynamics I (Steady Flow))
• フォンカルマン研究所におけるターボ機械研究の現状

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