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Modeling of twin-entry radial turbine performance characteristics based on experimental investigation under full and partial admission conditions

Hajilouy, A ; Sharif University of Technology | 2009

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  1. Type of Document: Article
  2. Publisher: 2009
  3. Abstract:
  4. In this paper, the performance of a turbocharger twin-entry radial inflow turbine is investigated analytically and experimentally under steady state, full and partial admission conditions. In this modeling, the mass flow rate, pressure ratio and efficiency of the turbine are assumed unknown. The turbine geometry and the inlet total pressure and temperature are known, hence, the turbine performance characteristics can be obtained. In the turbocharger laboratory, performance characteristics of the turbine are determined, measuring the main parameters for various operating conditions. Comparing the model and experimental results shows good agreement. Also, considering the effect of test parameters on performance uncertainty, it shows that the pressure ratio has more influence. Finally, the uncertainty of efficiency decreases as the pressure ratio increases. © Sharif University of Technology, August 2009
  5. Keywords:
  6. Full and partial admission conditions ; Modeling ; Radial inflow turbine ; Turbocharger ; Experimental investigations ; Main parameters ; Mass flow rate ; Operating condition ; Performance characteristics ; Pressure ratio ; Radial turbines ; Steady state ; Test parameters ; Total pressure ; Turbine performance ; Cascades (fluid mechanics) ; Pressure effects ; Superchargers ; Turbines ; Turbogenerators ; Engines ; Analytical method ; Comparative study ; Efficiency measurement ; Experimental study ; Flow modeling ; Flow velocity ; Geometry ; Hydrological regime ; Inflow ; Performance assessment ; Pressure gradient ; Radial flow ; Steady-state equilibrium ; Turbine
  7. Source: Scientia Iranica ; Volume 16, Issue 4 B , 2009 , Pages 281-290 ; 10263098 (ISSN)
  8. URL: http://scientiairanica.sharif.edu/article_3231.html