CFD analysis on the blades of an axial gas turbine

Date

2011

Authors

García Unzue, Javier

Publisher

Acceso abierto / Sarbide irekia
Proyecto Fin de Carrera / Ikasketen Amaierako Proiektua

Project identifier

Abstract

This project analyzes two-dimensional linear cascade flows of an axial compressor on the stator vanes. It analyzes the influence of the angle of attack in the leading edge for different pressure ratios. The problem studied is a compressible, viscous and steady flow. A test case of an inviscid model flow has been carried out as well. Two types of grid are also being analyzed, the unstructured grid, with only triangular mesh elements, and a structured grid with only quadrilateral mesh elements. The modeling has been done with Gambit while the processing has been done with the Fluent code. To assure the validity of the results, this project is being compared with experimental results for two-dimensional experimental cascade performance for controlled diffusion compressor stator blading done by Sanger and Shreeve and with the work done by Jong-Uk Lee and Yun-ho Choi in the Numerical analysis of two-dimensional linear cascade flows paper.

Description

Keywords

Two-dimensional linear cascade, Axial compressors, Computational fluid dynamics, Gambit (Software), Pressure ratio, Angle of attack, Flow rate

Department

Ingeniería Eléctrica y Electrónica / Ingeniaritza Elektrikoa eta Elektronikoa

Faculty/School

Escuela Técnica Superior de Ingenieros Industriales y de Telecomunicación / Telekomunikazio eta Industria Ingeniarien Goi Mailako Eskola Teknikoa / Ajou University (Corea del Sur)

Degree

Ingeniería Industrial, Industria Ingeniaritza

Doctorate program

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