纤维素纳米晶体悬浮液的管道流动

IF 1.8 Q3 MECHANICS
Fluids Pub Date : 2023-10-12 DOI:10.3390/fluids8100275
Saumay Kinra, Rajinder Pal
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引用次数: 0

摘要

研究了纤维素纳米晶体(CNC)悬浮液在不同直径的管道中,在0.24 ~ 3.65 wt%的浓度范围内的管道流动行为。当CNC浓度为1wt %时,CNC悬浮液呈牛顿态。在较高浓度下,CNC悬浮液是非牛顿幂律流体。对于牛顿数控悬架,实验摩擦系数-雷诺数数据仅在湍流状态下获得,且数据与Blasius方程密切相关。对于幂律数控悬架,摩擦系数-雷诺数的实验数据涵盖了层流和湍流两种状态。实验数据较好地符合幂律流体的摩擦系数-雷诺数关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Pipe Flow of Suspensions of Cellulose Nanocrystals
The pipeline flow behavior of suspensions of cellulose nanocrystals (CNCs) was investigated over the CNC concentration range of 0.24 to 3.65 wt% in different diameter pipelines. The CNC suspensions were Newtonian below the CNC concentration of 1 wt%. At higher concentrations, the CNC suspensions were non-Newtonian power-law fluids. For Newtonian CNC suspensions, the experimental friction factor–Reynolds number data were obtained only in the turbulent regime, and the data followed the Blasius equation closely. For power-law CNC suspensions, the experimental data of friction factor–Reynolds number covered both laminar and turbulent regimes. The experimental data followed the friction factor–Reynolds number relationships for power-law fluids reasonably well.
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来源期刊
Fluids
Fluids Engineering-Mechanical Engineering
CiteScore
3.40
自引率
10.50%
发文量
326
审稿时长
12 weeks
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