Abstract
New Design of Compressor Blade with Moderate Material Properties for Performance Optimization
Highlights
As the critical component of a turbocharger, a centrifugal compressor is widely used in vehicles, ships, and aviation
When the mass flow rate is 0.0832 kg/s, the static pressure ratio and total pressure ratio are increased by 0.61% and 0.07% and the total-static efficiency and total-total efficiency are increased by 0.02% and 0.84%, respectively
When the mass flow rate is 0.1781 kg/s, the static pressure ratio and total pressure ratio are increased by 2.65% and 0.54% and the total-static efficiency and total-total efficiency are increased by 6.36% and 0.35%, respectively
Summary
As the critical component of a turbocharger, a centrifugal compressor is widely used in vehicles, ships, and aviation. Scholars worldwide have carried out in-depth research on the wheel shape, blade leading edge, trailing edge ellipse parameters, and tip clearance for high-performance centrifugal compressors for a long time.[1,2,3,4,5,6] Following aerodynamic optimization design, structural reliability and sensing technology are generally analyzed by the finite element method.[7,8]. Favorable material properties, and pristine sensor operation are essential elements of a turbocharger and engine system All these elements should be considered in the development of high-performance compressors. We designed a blade with a bionic concave-convex leading edge and studied its material properties and performance to optimize a prototype eight-blade compressor wheel. The bionic blade is of great significance to improve the overall performance of high-speed centrifugal compressors with optimal material properties and sensor operation
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