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Numerical modeling of a supersonic steam ejector for a heat powered refrigeration systems.

Number: pap. 1393

Author(s) : MAZZELLI F., GIACOMELLI F., MILAZZO A.

Summary

Ejector chillers can be suitable competitors for absorption chillers as soon as their efficiency is improved. This can be achieved by a careful design of the ejector, which implies an advanced understanding of the complex flow phenomena occurring in this device, and the development of computational tools capable to predict such a behavior. In the present paper a CFD model for predicting metastable condensation inside a steam ejector is presented and validated with experimental data from literature. Moreover, a detailed description of the main phenomena and metastable effects in the supersonic ejector is presented with a comparison of different CFD models developed on a commercial solver.

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Pages: 9

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Details

  • Original title: Numerical modeling of a supersonic steam ejector for a heat powered refrigeration systems.
  • Record ID : 30023714
  • Languages: English
  • Source: 13th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
  • Publication date: 2018/06/18
  • DOI: http://dx.doi.org/10.18462/iir.gl.2018.1393

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