Profile Design and Leakage Characteristics of Scroll Compressor with Trapezoidal Cross Section

Profile Design and Leakage Characteristics of Scroll Compressor with Trapezoidal Cross Section

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An integrated thermal management system for an electric vehicle requires a scroll compressor with a large displacement that runs under multiple working conditions and high loads.A design method for the scroll profile to enlarge compressor displacement was proposed.The geometric and thermodynamic characteristics of the novel scroll compressor were studied using a simulation model validated experimentally.The results a&d ej-123 show that the trapezoidal section scroll compressor can increase the displacement by 19.5% by reducing the average wall thickness by 29.

9%, on the premise of ensuring the strength reliability of the root of the scroll wrap.Based on the influence of the profile parameters on the leakage characteristics, it was found that the difference tonic shower cap of internal leakage rate between a trapezoidal cross-sectional scroll compressor and a constant-wall thickness scroll compressor is less than 2% , showing huge potential for application of trapezoidal cross-sectional scroll compressor.