ETD system

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Tesi etd-05192014-162539


Thesis type
Tesi di laurea magistrale
Author
D'ALESIO, PAOLO
URN
etd-05192014-162539
Title
Comparison between different domain discretization strategies using NUMECA CFD tools to analyze aeronautical turbines
Struttura
INGEGNERIA CIVILE E INDUSTRIALE
Corso di studi
INGEGNERIA AEROSPAZIALE
Commissione
relatore Prof. Paganucci, Fabrizio
tutor Ing. Tarrini, Massimiliano
Parole chiave
  • structured
  • unstructured
  • NUMECA
  • turbine
  • CFD
  • comparison
Data inizio appello
11/06/2014;
Consultabilità
completa
Riassunto analitico
This work deals with the comparison between simulations of two turbines:<br>the Aachen turbine and a low pressure turbine. These simulations are run, for each turbine,<br> with the same setting in terms of boundary conditions, initial conditions and numerical schemes. <br>They differ for the domain discretization type: indeed the purpose of this works is to compare the solution obtained by a structured, an unstructured and an hybrid mesh, trying to understand <br>the reason underneath the differences we will find out . <br>Moreover we will show two different type of unstructured mesh: <br>one obtained by conversion from the structured one and another one completely processed in an unstructured environment. <br>All the meshes have the constraint to be comparable:<br>they must have as much as possible the same number of cells and the same boundary layer characteristics.<br>Simulations and mesh generation are performed with NUMECA tools.
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