The separation wall effect of a volute twin entry cross section area on the mixed inflow turbine performance

Authors

  • Bencherif Mohammed Menaouar École Nationale Polytechnique d'Oran Maurice Audin, Oran, Algérie Laboratory of Applied Mechanics, Faculty of Mechanical Engineering, University of Science and technology Mohamed Boudiaf
  • Hamel Mohamed École Nationale Polytechnique d'Oran Maurice Audin, Oran, Algérie
  • Bencherif Mohamed University of Science and Technology Mohammed Boudiaf, Oran, Algérie
  • Guelailia Ahmed Centre of Satellite Development (CDS), Space Mechanical Research Department, Oran, Algeria
  • Hamidou Mohamed Kamel École Nationale Polytechnique d'Oran Maurice Audin, Oran, Algérie

Keywords:

The Twin entry mixed flow turbine, Pulse turbocharging, Unsteady flow

Abstract

The pulse turbocharging system is used in many diesel engines and it is fortunate that nozzeleles mixed turbines allow unsteady flow with less performance losses. It operates with a double or sometimes triple-entry casing creating different flow regime in each sector. A nozzleles casing is used, the division of the cross section area takes the wall form in the radial plane. When flow rate through an inlet reach zero reverse flow is formed in the other inlet which affects the advantage given by the divided casing. A numerical investigation on the effect of the length of the dividing wall in the radial plane is performed using the ANSYS code. This possibility is explored and the results show that extending the wall to a limiting length enhances the flow behavior with better performance. 

Author Biography

Bencherif Mohammed Menaouar, École Nationale Polytechnique d'Oran Maurice Audin, Oran, Algérie Laboratory of Applied Mechanics, Faculty of Mechanical Engineering, University of Science and technology Mohamed Boudiaf

Dr. Bencherif Mnaouar M. Enseignant Dpt. Génie Mécanique ENP Oran Laboratoire de Mécanique Appliquée USTO M-B

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Published

2021-10-05