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Researchers

  • Itai Cohen
  • Neil Lin
  • Christopher Ness
  • Jin Sun
  • Michael Cates

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Details

Project TitleMethod and Device for Reducing Flow Resistance in Suspension Processing
Track Code7480
Short Description

A physical method and device designed to minimize the impact of shear thickening (increase in viscosity) during the processing or transport of suspensions or colloids.

Abstract

Controlling shear thickening behavior remains a major challenge and has led to strategies ranging from altering the particle surfaces and shape to modifying the solvent properties. However, none of these methods allows for tuning of flow properties during shear itself. We have demonstrated that introducing a high-frequency and low-amplitude input can largely eradicate shear thickening in real-time.

This technology offers the possibility to improve efficiencies in industrial scale processes by allowing for more effective delivery of suspensions in applications including cement extrusion, drilling mud or fracking fluid delivery. This technology is equally well suited to applications in smaller scale devices thus allowing greater flow control in applications such as 3D-printing or by enhancing the flowability of conducting fluids in batteries.

Potential Applications

· Oil and Gas industry

o Drilling mud

o Fracking fluid

· Cement Industry

o Mixing

o Extrusion

· 3D-Printing

· Robotics

· Pipeline transport

o Paint

o Pastes

· Food Processing

o Chocolate

o Cornstarch

· Energy Storage


Advantages

· Real-time control of viscosity of suspensions

· Permits pumping and transport of high solid content suspensions

· Reduces clogging of pipe or nozzle

· Lower pressures needed for pumping

· Lower energy use when pumping suspensions

 
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Posted DateJun 20, 2017 10:44 AM

Researcher

Name
Itai Cohen
Neil Lin
Christopher Ness
Jin Sun
Michael Cates

Additional Information

Publications

· Tunable shear thickening in suspensions. Neil Y.C. Lin et. al., PNAS 2016 113 (39) 10774-10778.

Licensing Contact

Martin Teschl, Technology Commercialization & Liaison Officer
mt439@cornell.edu
(607) 254-4454

Files

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