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[CCICADA-announce] DIMACS/CCICADA Interdisciplinary Seminar Series-Tuesday, November 18, 2014

Linda Casals lindac at dimacs.rutgers.edu
Mon Nov 17 14:39:44 EST 2014


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DIMACS/CCICADA Interdisciplinary Seminar Series Presents
               
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Title: Modeling Oxidation Dynamics of Metal Particles

Speaker: Maxim Zyskin, Rutgers University

Date: Tuesday, November 18, 2014 12:00 - 1:00pm

Location: DIMACS Center, CoRE Bldg, Room 431, Rutgers University                 
             Busch Campus, Piscataway, NJ

Seminar hosted by James Abello, DIMACS 

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Abstract: 

Nano-energetic materials, formed by mixing nano-sized metal and oxidizer
particles, have important applications as gas generators. Recent
experiments indicate that nano-energetic materials exceed performance of
other gas generating materials. In this talk, I discuss modeling
nano-energetic materials using a Mott oxidation model. This is a moving
boundary-type model, a nonlinear version of the Hele-Shaw problem. In
the model, one has to solve a Dirichlet problem for a nonlinear Poisson
equation for the electric potential in the oxide layer, while Neumann
data for the potential determine the normal velocity of the oxide layer
boundary. There is a local-in-time existence of a solution result;
however the existence time and type of singularities which may form are
not understood. I will describe results for oxidation dynamics and
pressure wave generation in the case of spherical particles, and will
discuss modeling oxidation dynamics of particles of general shapes based
on mappings to fixed domains and associated sub-solution methods.

DIMACS/CCICADA Interdisciplinary Series Full Calendar
See: http://dimacs.rutgers.edu/Seminars/interseminars14-15.html





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