A novel experimental method to evaluate the impact of volute’s asymmetry on the performance of a high pressure ratio turbocharger compressor
Source abstract
Abstract
All components of a turbocharger compressor are axisymmetric except for the spiral-shaped, gas-collecting overhung volute. In this paper, a novel experimental method to evaluate the impact of the volute’s asymmetry on centrifugal compressor performance is proposed and applied to a high pressure-ratio turbocharger compressor. This method can isolate the impact of the volute’s asymmetry on the compressor performance for the first time. Experiments prove the considerable impact of the volute’s asymmetry on the compressor performance, especially the stability and efficiency. The impact of the volute’s asymmetry on compressor stability correlates with rotational speed and thus with the pressure ratio, constricting the stable flow range by up to 47 percent and decreasing the maximum efficiency by 4.8 percent at the design speed. The results provide evidence to exploit the potential of intrinsic non-axisymmetric flow induced by asymmetric volute to improve the performance of turbocharger compressor with a high pressure ratio.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Turbomachinery Performance and Optimization · Refrigeration and Air Conditioning Technologies · Advanced Combustion Engine Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (25)
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