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dc.contributor.author | Mamidoju, Chaithanya | en_US |
dc.date.accessioned | 2014-07-14T20:30:16Z | |
dc.date.available | 2014-07-14T20:30:16Z | |
dc.date.issued | 2014-07-14 | |
dc.date.submitted | January 2014 | en_US |
dc.identifier.other | DISS-12690 | en_US |
dc.identifier.uri | http://hdl.handle.net/10106/24476 | |
dc.description.abstract | Turbo machines are used extensively in Aerospace, Power Generation, and Oil & Gas Industries. Efficiency of these machines is often an important factor and has led to the continuous effort to improve the design to achieve better efficiency. The axial flow compressor is a major component in a gas turbine with the turbine's overall performance depending strongly on compressor performance. Traditional analysis of axial compressors involves throughflow calculations, isolated blade passage analysis, Quasi-3D blade-to-blade analysis, single-stage (rotor-stator) analysis, and multi-stage analysis involving larger design cycles. In the current study, the detailed flow through a 15 stage axial compressor is analyzed using a 3-D Navier Stokes CFD solver in a parallel computing environment. Methodology is described for steady state (frozen rotor stator) analysis of one blade passage per component. Various effects such as mesh type and density, boundary conditions, tip clearance and numerical issues such as turbulence model choice, advection model choice, and parallel processing performance are analyzed. A high sensitivity of the predictions to the above was found. Physical explanation to the flow features observed in the computational study are given. The total pressure rise verses mass flow rate was computed. | en_US |
dc.description.sponsorship | Dennis, Brian | en_US |
dc.language.iso | en | en_US |
dc.publisher | Aerospace Engineering | en_US |
dc.title | Computational Analysis Of A Multistage Axial Compressor | en_US |
dc.type | M.S. | en_US |
dc.contributor.committeeChair | Dennis, Brian | en_US |
dc.degree.department | Aerospace Engineering | en_US |
dc.degree.discipline | Aerospace Engineering | en_US |
dc.degree.grantor | University of Texas at Arlington | en_US |
dc.degree.level | masters | en_US |
dc.degree.name | M.S. | en_US |
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