From CAD to 1D: a direct approach to modeling scroll compressors with multi-physics simulation.

Number: pap. 1190

Author(s) : HARRISON J., KOESTER S., AIHARA R., et al.

Summary

Modeling scroll compressors with 1D fluid dynamics often involves the time-consuming exercise of calculating chamber volume and port areas vs. crank angle either manually from CAD or through scripting. In a novel approach, GT-SUITE simulation software is used starting from the original CAD model of the scroll fixed and orbiting involutes to create a 1-dimensional fluid dynamic model automatically. This allows models to be built in minutes while preserving the true CAD geometry. The process of calculating the chamber volume, port area, leakages, and areas required to convert chamber gas pressure to forces/moments on the orbiting scroll will be presented. Additionally, a comparison between the model prediction to test performance on a production automotive air conditioning scroll compressor will be shown.

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Pages: 11

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Details

  • Original title: From CAD to 1D: a direct approach to modeling scroll compressors with multi-physics simulation.
  • Record ID : 30024245
  • Languages: English
  • Source: 2018 Purdue Conferences. 24th International Compressor Engineering Conference at Purdue.
  • Publication date: 2018/07/09

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