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Characterization of Pressure Drop in Pipe Flow of Shear Thickening Fluids

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Abstract:

The accurate characterization of non-Newtonian fluid pipe flow is essential for engineering applications, such as vibration dampers, and fluid-processing industrial applications. Since traditional measurement setups require circulating significant fluid volumes, this study introduces a novel, compact measurement device developed to determine flow coefficients for a pipe flow using minimal volume of media. This research investigates the pipe flow of shear thickening fluid samples synthesized from PEG200 and fumed silica at 18 wt.% and 24 wt.% concentrations. The experimental results confirmed that increasing the solid volume fraction intensifies the shear thickening characteristics, which causes a sudden increase in pressure loss. The measured values were compared with analytical predictions, and the close agreement between them validates the reliability of this novel measurement technique for characterizing these complex fluids.

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Periodical:

Advances in Science and Technology (Volume 181)

Pages:

51-58

DOI:

https://doi.org/10.4028/p-Z6d2KR

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Online since:

August 2026

Authors:

János Polyák*, Balog Boglárka, Péter Nagy-György

Keywords:

Non-Newtonian Fluid, Pipe Flow, Shear Thickening Fluid

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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