Volume 09: Proceedings of 12th International Conference on Applied Energy, Part 1, Thailand/Virtual, 2020

Validation of a Semi-Empiric Model for Twin-Screw Compressors with an Adaptable Internal Volume Ratio Florian Kaufmann, Christoph Wieland, Hartmut Spliethoff


Twin-screw compressors with an adaptable built-in volume ratio can significantly increase the overall process efficiency for applications with fluctuating operating conditions. Detailed component models, necessary to assess their full potential, are rare in literature. Therefore, this work develops and validates a novel semi-empiric compressor model taking into account the mechanical adaptation of the built-in volume ratio. The model shows good agreement with operating data provided by the manufacturer.

Keywords twin-screw compressor, semi-empiric model, variable built in volume ratio, model validation

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