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A 3D Inverse Design Based Rapid Multidisciplinary Optimization Strategy for Radial-inflow Turbines

Radial-inflow turbines have seen extensive use in turbocharger applications, presenting various challenges in achieving optimal efficiencies for both design and off-design points, meeting mass flow requirements and maintaining low moment of inertia while managing high stress levels. 

Traditionally, addressing these complex issues involved conducting a large number of CFD/FEA analysis, creating RSM/surrogate models, and utilizing optimizers to identify the best solution.

In this paper, we introduce an alternative approach, leveraging the 3D inviscid design method for turbomachinery blades, known as the inverse design method. Our proposed method integrates aerodynamic and mechanical performance parameters from the inverse design solution with direct optimization techniques, resulting in a final optimized design that demonstrates comparable performance to the baseline design optimized through traditional methods, while significantly reducing the number of CFD/FEA simulations required.


Who is it for?

The event addresses all engineers, developers or researchers dealing with Turbomachinery Design.

Flowchart-of-the-optimisation-methodolog

 

Flowchart of the Optimization Methodology

Meridional-geometry-of-the-baseline-design

 

Meridional Geometry of the Baseline Design

Computational-domain-for-turbine-nozzle-+-rotor

 

Computational Domain for Turbine Nozzle and Rotor

Baseline-normalised-von-mises-stress-contour-(left-–-suction-side

 

Baseline Normalised Von-Misses Stress Contour (left - suction side | right: pressure side)

Pareto-front-and-selected-optimal-design

 

Pareto Front and Selected Optimal Design

Comparison-of-wrap-angle-contour-between-baseline-design-543

 

Comparison of Wrap Angle Between Baseline and Design 543


Meet the Speakers

Jiangnan-Zhang-ADT

Dr. Jiangnan Zhang

Engineering Services Manager

Lorenzo-Bossi-ADT

Lorenzo Bossi

Chief Operating Officer 

Geet-Nautiyal-ADT

Geet Nautiyal

Application Engineer

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