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Two-fluid CFD model for R744 two-phase ejectors.

Number: 1147

Author(s) : RINGSTAD K., HAFNER A.

Summary

This paper presents early results from a novel two-fluid Eulerian-Eulerian multiphase model for R744 two-phase ejectors, which to the authors knowledge has not previously been presented in literature. As opposed to previous R744 ejector models, this formulation includes non-equilibrium states for temperature, momentum, and chemical potential. The model is implemented into ANSYS Fluent using user-defined-functions and is able to achieve converged results faster than previous non-equilibrium formulations. Results are compared with experimental results. The mesh and model parameters are studied for their impact on accuracy.

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Two-fluid cfd model for R744 two-phase ejectors.

Pages: 6

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Details

  • Original title: Two-fluid CFD model for R744 two-phase ejectors.
  • Record ID : 30027947
  • Languages: English
  • Subject: Technology
  • Source: 14th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9th 2020.
  • Publication date: 2020/12/07
  • DOI: http://dx.doi.org/10.18462/iir.gl.2020.1147

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