平板クエット流れの粘性による加熱-感温流体に対する級数解- VISCOUS HEATING IN PLANAR COUETTE FLOW : SERIES SOLUTIONS FOR TEMPERRATURE-SENSITIVE FLUIDS

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The problem of the interaction between viscous heating, heat transfer and flow in Couette rheometers is investigated. Series solutions, up to 4th order in the Brinkman number (<I>Br</I>), are developed for planar Couette flows of materials whose viscosity and thermal conductivity can be expressed as polynomial functions of temperature with arbitrary coefficients. The derived solutions are validated by extensive comparison to existing closed-form results and to numerical solutions and are found to be highly accurate for a practical range of (<I>Br</I>). The presented solutions provide valuable insight into the functionality of the relevant dependencies, something that is lost in purely numerical solutions. Based on these results, the distribution of velocity, shear rate and temperature, as well as their sensitivity on material and process parameters are investigated. Finally, corrections for viscosity measurements in Couette viscometers, which account for viscous heating and temperature-dependent material properties, are derived.

収録刊行物

  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 30(1), 123-136, 1997-02 

    公益社団法人 化学工学会

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各種コード

  • NII論文ID(NAID)
    10002062274
  • 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
    4163636
  • 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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