Volute performance optimization

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CASE STUDY: Re-design compressor exit and turbine inlet volutes for a turbocharger to improve aero performance and reduce weight carried out by QuEST Global.

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Volute performance optimization

  1. 1. ©2013 QuEST Global Services Pte Ltd. The information in this document is the property of QuEST Global Services Pte Ltd. and may not be copied or communicated to a third party or used for any purpose other than that for which it is supplied without the written consent of QuEST Global Services Pte Ltd. Volute Performance Optimization Case Study
  2. 2. ©2012 QuEST Global Services Pte Ltd. Confidential 2 Volute Performance Optimization Case Study 0.90 0.95 1.00 1.05 1.10 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 NormalizedSurfaceArea %Pt Better Performance LessWeight Initial Design Final Aero Design Compressor Exit Volute Design Study Turbine Inlet Volute Design Study Final Turbine Volute Final Compressor Volute • Detailed 3D CFD to create models of both the compressor exit and turbine inlet volutes (turbine inlet included the first stage vane ring) • Optimized volute shapes / area distributions for reduced loss and weight Approach/Solution Re-design compressor exit and turbine inlet volutes for a turbocharger to improve aero performance and reduce weight • Significant reductions in flow distortion and weight were achieved; • Additional weight savings were identified through improved packaging of the two shells & reduced shaft length Compressor Exit Volute Design Study • 10% Reduction in Weight • 50% Reduction in Loss Turbine Inlet Volute Design Study • 50% Reduction in Inlet Flow Distortion • 3% Reduction in Weight • Gained 2.5” of Axial Space (Improved Packaging) Impact / Benefits Scope
  3. 3. ©2013 QuEST Global Services Pte Ltd. The information in this document is the property of QuEST Global Services Pte Ltd. and may not be copied or communicated to a third party or used for any purpose other than that for which it is supplied without the written consent of QuEST Global Services Pte Ltd.

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