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August 17, 2025Journal of Rheology

Dependence of rheological behavior of waxy oils on wax composition and cooling and shear histories

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Authors

SOSamuel A. OgunwaleKMKhalid MateenTPThierry Palermo

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Overview

This analysis shows how cooling history and shear rates impact the rheological properties of waxy oils, suggesting potential transport improvements in petroleum.

Key Points

  • Waxy oil rheology shows steady-state stress behavior at low shear rates, requiring long time scales up to 48 hours.
  • Experiments replicate previous findings with minor discrepancies linked to composition and thermal history variances.
  • Cooling rate notably influences stress versus shear rate behavior, complicating flow curve stability over time.
  • This study enhances understanding of waxy crude oil properties, supporting thixotropic modeling and transportation strategies.

Cite This Study

Ogunwale et al. (2025) studied this question.

synapsesocial.com/papers/68a36a4f0a429f797332ee75https://doi.org/10.1122/8.0001006
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