Transactions of the Korean Society of Mechanical Engineers B (대한기계학회논문집B)

The Korean Society of Mechanical Engineers (대한기계학회)
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A Comparative Study for Steam-Methane Reforming Reaction Analysis Model

수증기-메탄개질반응 해석모델의 비교연구

  • 최종균 (국민대학교 대학원 기계공학과) ;
  • 정태용 (국민대학교 기계자동차공학부) ;
  • 남진현 (국민대학교 기계자동차공학부) ;
  • 신동훈 (국민대학교 기계자동차공학부)
  • Published : 2008.07.01
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Abstract

Hydrogen is considered as a fuel of the future for its renewability and environmental compatibility. The reforming of hydrocarbon fuels is currently the most important source of hydrogen, which is expected to continue for next several decades. In this study, extensive CFD simulations on the steam-methane reforming process were conducted to study the performance of four reaction models, i.e. three Arrhenius-type models and a user-defined function (UDF) model. The accuracies of different reaction models for various operating temperatures and steam carbon ratios (SCRs) were evaluated by comparing their CFD results with zero-dimensional intrinsic model of Xu and Froment. It was found that the UDF model generally produced more accurate results than Arrhenius-type models. However, it was also shown that Arrhenius-type models could be made sufficiently accurate by choosing appropriate reaction coefficients, and thus could also be useful for the simulation of the steam-methane reforming process.

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References

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