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Numerical simulation of transcritical carbon dioxide (R744) flow through short tube orifices.

Author(s) : GARCÍA-VALLADARES O.

Type of article: Article

Summary

A detailed one-dimensional numerical simulation of the fluid-dynamic behaviour of short tube orifices expansion devices working with transcritical carbon dioxide (CO2 or R744) has been developed. The discretized governing equations are coupled using an implicit step by step method. A special treatment has been implemented in order to consider transitions (subcooled liquid region and equilibrium two-phase region). The numerical model allows analysis of aspects such as geometry, different working conditions, critical or non-critical flow conditions, etc. A comparison of the numerical simulation with experimental data presented in the technical literature is shown in the article. [Reprinted with permission from Elsevier. Copyright, 2005].

Details

  • Original title: Numerical simulation of transcritical carbon dioxide (R744) flow through short tube orifices.
  • Record ID : 2006-1630
  • Languages: English
  • Source: Applied Thermal Engineering - vol. 26 - n. 2-3
  • Publication date: 2006/02

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