Modeling and Simulation of a Non-Isothermal Tubular Thermal Cracker

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A 2-dimensional model for thermal cracking of ethane under laminar flow conditions has been established. Based on a molecular mechanistic model for ethane cracking, the model consists of eight mass balance equations along with energy balance and momentum balance equations. This set of coupled partial differential equations is solved numerically by using finite difference backward implicit scheme. The species concentration and temperature profiles in radial and axial directions are predicted with variation of properties with temperature and composition. The model predicts maxima in the concentrations of propylene and acetylene within the reactor. The simulations for the effect of operational parameters on product distribution and temperature are also carried out. The parameters—space time and wall temperature and their range of variations are considered. Wall temperature variation is taken from 950 to 1100°C and space time conditions are taken from 0.2 to 0.45 s. An increase in space time and/or wall temperature results in higher ethane conversion.

収録刊行物

  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 39(10), 1057-1064, 2006-10-01 

    The Society of Chemical Engineers, Japan

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各種コード

  • NII論文ID(NAID)
    10018326816
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00219592
  • NDL 記事登録ID
    8513270
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-R395
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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