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SUMMARY:'In Focus' CEB Seminar with Dr Chris Boyce: Characterizing and Str
 ucturing Multiphase Granular Flows - Columbia University
DTSTART:20210317T143000Z
DTEND:20210317T153000Z
UID:TALK157777@talks.cam.ac.uk
CONTACT:Communications\, CEB
DESCRIPTION:In our parallel seminar series that takes a more in-depth look
  at a specific topic\, we hear from Dr Chris Boyce\, from Columbia Univers
 ity\, who presents his group's work on the development and implementation 
 of magnetic resonance imaging (MRI) techniques to rapidly image the 3D dyn
 amics of gas\, liquid and granular particles in these multiphase systems.\
 n\nThis talk is open to anyone. Please register below.\n\nDr Boyce's talk 
 will be followed by a Q&A and discussion with a virtual networking session
 .\n\nhttps://zoom.us/webinar/register/WN_ecFep64kSf-daUlKq2FclA\n\n\nBio:\
 n\nChris Boyce received his Bachelor’s degree in Chemical Engineering an
 d Physics at MIT and then studied at the University of Cambridge as a Gate
 s Cambridge Scholar\, where he received the Dankwerts-Pergamon prize for t
 he best PhD thesis in Chemical Engineering. After his PhD\, he held postdo
 ctoral research positions at Princeton University and ETH Zurich. He start
 ed as an assistant professor of Chemical Engineering at Columbia in Januar
 y 2018. His research focuses on the physics of multiphase granular flows. 
 His honors and awards include being named to the Forbes 30 Under 30 List i
 n Science and winning the Sabic Young Professional Award from the AIChE fo
 r outstanding contributions to particle technology.\n\nAbstract:\n\nMultip
 hase granular flows are ubiquitous in nature and encountered in process un
 its throughout the chemicals\, energy and pharmaceuticals industries. Gran
 ular flows exhibit a rich set of behaviors traversing regimes of solids\, 
 liquids\, and gases.  Despite the importance\, the physics of these flows 
 is still poorly understood\, leading to difficulties in predicting geologi
 cal flows and significant problems in scale-up and optimization of process
  units as compared processes involving only gases and liquids. Key challen
 ges to understanding and optimizing granular systems include: (1) experime
 ntal characterization of flow within 3D opaque systems and (2) creating co
 ntrollable\, predictable and optimized behavior in heterogeneous\, mathema
 tically chaotic flows. Here\, we present the development and implementatio
 n of magnetic resonance imaging (MRI) techniques to rapidly image the 3D d
 ynamics of gas\, liquid and granular particles in these multiphase systems
 . We identify key mechanisms in these flows and also anomalous flow phenom
 ena. Further\, we demonstrate how the combination of gas flow and vibratio
 n can create liquid-like flow instabilities in granular particles\, introd
 ucing the ability to create controllable\, structured flows. We also devel
 op and use computational models to identify the physical mechanisms underl
 ying anomalous and structured flows. \n
LOCATION:Zoom https://zoom.us/webinar/register/WN_ecFep64kSf-daUlKq2FclA
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