A numerical investigation of primary surface rounded cross wavy ducts

E Utriainen, Bengt Sundén

Research output: Contribution to journalArticlepeer-review

Abstract

A three-dimensional numerical study was conducted to assess the hydraulic and heat transfer performance of primary surface type heat exchanger surfaces, called cross wavy (CW) ducts aimed for recuperators. The governing equations, i.e., the mass conservation equation, Navier-Stokes equations and the energy equation, are solved numerically by a finite volume method for boundary fitted coordinates. Periodic boundary conditions are imposed in the main flow direction. In this particular case laminar convective flow and heat transfer prevail. Details of the recuperator ducts and the numerical method as well as relevant results are presented.
Original languageEnglish
Pages (from-to)537-542
JournalHeat and Mass Transfer
Volume38
Issue number7-8
DOIs
Publication statusPublished - 2002

Subject classification (UKÄ)

  • Energy Engineering

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