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Rate equation and scaling for fragmentation with mass loss

Journal Article · · Physical Review, A (General Physics); (USA)
; ;  [1]
  1. Department of Physics, West Virginia University, Morgantown, West Virginia 26506 (US)
A linear rate equation describes fragmentation with continuous and discrete mass loss typified by consumption of porous reactive solids and two-phase heterogeneous solids. For a mass-dependent fragmentation rate {ital x}{sup {alpha}} and a continuous-mass-loss rate {epsilon}{ital x}{sup {gamma}},{sigma}={gamma}{minus}{alpha}{minus}1{lt}0 yields a recession regime'' where small particles lose mass continuously without breaking, {sigma}{gt}0 yields a fragmentation regime'' where all particles break, and {sigma}=0 yields scaling for {alpha}{gt}0. Shattering for {alpha}{lt}0 and {sigma}{ge}0 is runaway fragmentation producing an infinte number of particles in a finite time, Exact and asymptotic solutions, exponent relations, and connections with static percolation are found.
DOE Contract Number:
FG22-89PC89791
OSTI ID:
6803533
Journal Information:
Physical Review, A (General Physics); (USA), Journal Name: Physical Review, A (General Physics); (USA) Vol. 41:10; ISSN PLRAA; ISSN 0556-2791
Country of Publication:
United States
Language:
English

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