IGTC-58 FINITE ELEMENT ANALYSIS FOR 3-D COMPRESSIBLE POTENTIAL FLOW IN TURBOMACHINERY(Session B-5 Computational Aerodynamics II)

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概要

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• A numerical method for analysing a 3-D steady subsonic potential flow through an impeller in axial-, mixed- and radial-flow turbomachines is presented. This method is based on the previous method for the 3-D steady incompressible potential flow proposed by the author. The main features of the method are an accurate treatment of trailing vortex sheets in the finite element calculation and a calculating procedure for the right hand side of the fundamental equation ▽^2φ=w・▽h/c^2. As a numerical example the subsonic flows of a semi-axial flow blower are calculated, and velocity, Mach number and static pressure distributions are shown.

• 公益社団法人日本ガスタービン学会の論文

著者

• Daiguji H.

  Department Of Aeronautics And Space Engineering Faculty Of Engineering Tohoku University

• Daiguji H.

  Department Of Mechanical Engineering Tohoku University

関連論文

• IGTC-4 Navier-Stokes Analysis of Unsteady Transonic Flows through Gas Turbine Cascades with Coolant Ejection(Session A-2 TRANSONIC CASCADE FLOW)
• IGTC-1 Computation of Unsteady Transonic Cascade Flow Using the Euler and Navier-Stokes Equations of Contravariant Velocities(Session A-1 UNSTEADY CASCADE FLOW)
• IGTC-58 FINITE ELEMENT ANALYSIS FOR 3-D COMPRESSIBLE POTENTIAL FLOW IN TURBOMACHINERY(Session B-5 Computational Aerodynamics II)

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