Lightening structure optimization on turbine wheel of vehicular turbocharger

2008, Volume 2, Issue 4

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Frontiers in Energy >> 2008, Volume 2, Issue 4 doi: 10.1007/s11708-008-0098-y

Lightening structure optimization on turbine wheel of vehicular turbocharger

1.College of Mechanical Engineering & Automatization, North University of China; 2.School of Mechanical and Vehicular Engineering, Beijing University of Technology; 3.Hunan Tyen Machinary Co. Ltd.

Available online: 2008-12-05

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Abstract

Based on basic principle of optimization design, structure optimization of turbine is conducted using optimization module of ANSYS and APDL in order to get the minimum turbine weight. Meanwhile, the original blade profile and flow passage are maintained, and the structural strength of the turbine are guaranteed. Considering assembly technique and cast requirement, the structure of the modified turbine is determined which can save 6.91 percent of the material compared with the original one. The modified turbine not only saved material, but also gained better effect of mass distribution between the turbine and the compressor impeller. The result can provide useful reference to engineering application of turbocharger.

Keywords

requirement ; technique ; engineering application ; turbocharger ; reference

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