淡江大學機構典藏:Item 987654321/109060
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    題名: A Two-Fluid Model for Herschel-Bulkley Fluid Flow through Narrow Tubes
    作者: Nallapu, Santhosh;Radhakrishnamacharya, G.
    關鍵詞: Effective Viscosity;Herschel-Bulkley Fluid;Hematocrit;Fahraeus-Lindqvist Effect;Yield Stress
    日期: 2016-09
    上傳時間: 2017-01-03 09:03:23 (UTC+8)
    出版者: 淡江大學出版中心
    摘要: A two-fluid model of Herschel-Bulkley fluid flow through tubes of small diameters is studied.
    It is assumed that the core region consists of Herschel-Bulkley fluid and Newtonian fluid in the
    peripheral region. The analytical solutions for velocity, flow flux, effective viscosity, core hematocrit
    and mean hematocrit have been derived and the effects of various relevant parameters on these flow
    variables have been studied. It is found that the effective viscosity, core hematrocit and mean
    hematrocit for Newtonian fluid is less than that for Bingham fluid, power-law fluid and HerschelBulkley
    fluid. It has been observed that the effective viscosity and mean hematocrit increase with yield
    stress, power-law index, hematocrit and tube radius but the core hematocrit decreases with hematocrit
    and tube radius. Further, it is also noticed that the flow exhibits the anomalous Fahraeus-Lindqvist
    effect.
    關聯: Journal of Applied Science and Engineering 19(3), pp.241-248
    DOI: 10.6180/jase.2016.19.3.01
    顯示於類別:[淡江理工學刊] 第19卷第3期

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