Drag Reduction Performance and Turbulent Structure of Polymeric Solutions in Wall-bounded Turbulent Flows

Mohammadtabar, Mohammad

doi:10.7939/r3-qj4a-ds95

Cited by 1 publication

(1 citation statement)

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“…They developed an empirical formula to predict DR as a function of the Weissenberg number. Mohammadtabar measured the extensional viscosity and relaxation time of PAM, PEO, XG, and carboxymethyl cellulose (CC) solutions. He concluded that XG and CC have lower extensional viscosity and relaxation time compared to others.…”

Section: System Used For Drag Reduction Measurementsmentioning

confidence: 99%

Drag Reduction by Polymer Additives: State-of-the-Art Advancements in Experimental and Numerical Approaches

Baakeem,

Hashlamoun,

Hethnawi

et al. 2024

Ind. Eng. Chem. Res.

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This comprehensive literature review delves into various aspects of the drag reduction (DR) phenomenon. To address respective aspects as well as track authors and research outputs, a bibliometric analysis is conducted using VOSviewer software. Hence, the review encompasses an examination of the state-of-the-art mechanisms and methodologies for DR measurements and quantifications, employing both linear and rotational devices. Recent advancements in DR measurements and the application of closed-form relations via rotational flow devices as standalone testing techniques are presented, with a discussion on their potential to replace linear flow devices. Furthermore, the review highlights the drawbacks associated with commercially used polymers and explores recent research addressing these issues. Potential avenues for improving the DR performance of these polymers, such as chemical modifications to enhance DR performance and shear resistance, are examined. The review also explores the role and future possibilities of incorporating nanoparticles in DR. In addition, a thorough analysis of current numerical models used in simulating DR, along with their applications and limitations, are addressed. In summary, this review aims to comprehensively cover the advances in various aspects of the DR fields, catering to both industrial and academic audiences, and offering introductory and in-depth insights into the world of DR.

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Section: System Used For Drag Reduction Measurementsmentioning

confidence: 99%