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Numerical simulation of two-phase flow and heat transfer in a composite duct

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Author

Summary, in English

In this work, a three-dimensional computational method has been further developed for a composite duct, to analyze water phase change and liquid water saturation level, two-phase flow and heat transfer in a multi-component mixture. The duct under consideration consists of a flow duct, porous layer and solid structure. Advanced boundary conditions are applied in the analysis, concerning the thermal boundary conditions, mass consumption and generation appearing on the active surface, interfacial conditions between the flow duct and the porous layer etc. The coupled effects of species composition, mass transfer, phase change/balance have been taken into account. It has been found that the two-phase flow is sensitive to the operating parameters, and liquid water transport is dominated by diffusion in the porous layer, based on its mass composition gradient.

Department/s

Publishing year

2003

Language

English

Pages

679-688

Publication/Series

American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED

Volume

259

Document type

Conference paper

Publisher

American Society Of Mechanical Engineers (ASME)

Topic

  • Energy Engineering

Keywords

  • Mass flux
  • Thermal boundary conditions

Conference name

2003 ASME International Mechanical Engineering Congress

Conference date

2003-11-15 - 2003-11-21

Conference place

Washington, DC., United States

Status

Published

ISBN/ISSN/Other

  • ISSN: 0888-8116
  • CODEN: FEDSDL