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Design and Analysis of Radial Turbine for Turbocharger Application

[+] Author Affiliations
Bharathan Raghavan Desikan, David John Rajendran, Sharad Kapil, Seepana Venkata Ramana Murty, Deshkulkarni Kishore Prasad

Gas Turbine Research Establishment, Bangalore, India

Paper No. GTINDIA2017-4860, pp. V001T02A011; 7 pages
doi:10.1115/GTINDIA2017-4860
From:
  • ASME 2017 Gas Turbine India Conference
  • Volume 1: Compressors, Fans and Pumps; Turbines; Heat Transfer; Combustion, Fuels and Emissions
  • Bangalore, India, December 7–8, 2017
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-5850-9
  • Copyright © 2017 by ASME

abstract

Turbochargers are used in internal combustion engines to increase their volumetric efficiency and power. Turbochargers consist of a centrifugal compressor driven by a radial turbine. Radial turbines convert the excess kinetic energy in the exhaust gases to power. Vane less radial turbine consists of a volute and a turbine wheel. It is preferred because of its low cost, robustness and good off-design performance. In this study, a radial turbine wheel and volute are designed to meet the power and efficiency requirements. A number of trials are carried out, and the design, which gives the necessary performance and meets the customer requirements, is chosen. The design is analyzed using a validated 3D Navier-Stokes (NS) solver, viz. ANSYS-CFX software at both design and off-design conditions and turbine characteristics are generated.

Copyright © 2017 by ASME

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