Probability Formulas for Describing Fragment Size Distributions

1981 ◽  
Author(s):  
James Dehn
Keyword(s):  
Fragment Size ◽  
Size Distributions

Analysis of fragment size distributions in collisions of monocharged ions with the C60molecule

2005 ◽  
Vol 38 (7) ◽  
pp. 789-806 ◽  
Author(s):  
A Rentenier ◽  
P Moretto-Capelle ◽  
D Bordenave-Montesquieu ◽  
A Bordenave-Montesquieu
Keyword(s):  
Fragment Size ◽  
Size Distributions

Fragment size distributions in brittle deformed rocks.

2021 ◽  
pp. 104496
Author(s):  
Alison Ord ◽  
Thomas Blenkinsop ◽  
Bruce Hobbs
Keyword(s):  
Fragment Size ◽  
Size Distributions

scholarly journals Evolution of fragment size distributions from the crushing of granular materials

2019 ◽  
Vol 99 (1) ◽  
Author(s):  
Pavel S. Iliev ◽  
Falk K. Wittel ◽  
Hans J. Herrmann
Keyword(s):  
Granular Materials ◽  
Fragment Size ◽  
Size Distributions

NEURAL NETWORK PATTERN RECOGNITION OF BLAST FRAGMENT SIZE DISTRIBUTIONS

1994 ◽  
Vol 12 (3) ◽  
pp. 235-242 ◽  
Author(s):  
LEE BARRON ◽  
MARTIN L. SMITH ◽  
KEITH PRISBREY
Keyword(s):  
Neural Network ◽  
Pattern Recognition ◽  
Fragment Size ◽  
Size Distributions ◽  
Network Pattern

Numerical Investigation of Collision-Induced Breakup of Raindrops. Part II: Parameterizations of Coalescence Efficiencies and Fragment Size Distributions

2010 ◽  
Vol 67 (3) ◽  
pp. 576-588 ◽  
Author(s):  
Winfried Straub ◽  
Klaus Dieter Beheng ◽  
Axel Seifert ◽  
Jan Schlottke ◽  
Bernhard Weigand
Keyword(s):  
Fragment Size ◽  
Mass Conservation ◽  
Distribution Functions ◽  
Size Distributions ◽  
Independent State ◽  
Peak Structure ◽  
Binary Collisions ◽  
The One ◽  
Physical Quantities ◽  
Second Peak

Abstract Results of numerically investigated binary collisions of 32 drop pairs presented in Part I of this study are used to parameterize coalescence efficiencies and size distributions of breakup fragments of large raindrops. In contrast to the well-known results of Low and List, it is shown that coalescence efficiencies Ec can be described best by means of the Weber number We yielding Ec = exp(−1.15We). The fragment size distributions gained from our numerical investigations were parameterized by fitting normal, lognormal, and delta distributions and relating the parameters of the distribution functions to physical quantities relevant for the breakup event. Thus, this parameterization has formally a substantial similarity to the one of Low and List, although no reference is made to breakup modes such as filament, disk, and sheet. Additionally, mass conservation is guaranteed in the present approach. The parameterizations from Low and List, as well as the new parameterizations, are applied to compute a stationary size distribution (SSD) from solving the kinetic coagulation–breakup equation until a time-independent state is reached. Although with the parameterizations of Low and List, the SSD shows an often-reported three-peak structure, with the new parameterizations the second peak vanishes completely.

Characteristic fragment size distributions in dynamic fragmentation

2006 ◽  
Vol 88 (26) ◽  
pp. 261918 ◽  
Author(s):  
Fenghua Zhou ◽  
Jean-François Molinari ◽  
K. T. Ramesh
Keyword(s):  
Fragment Size ◽  
Size Distributions ◽  
Dynamic Fragmentation ◽  
Characteristic Fragment

scholarly journals Effects of Pressure on Collision, Coalescence, and Breakup of Raindrops. Part II: Parameterization and Spectra Evolution at 50 and 100 kPa

2009 ◽  
Vol 66 (8) ◽  
pp. 2204-2215 ◽  
Author(s):  
Roland List ◽  
R. Nissen ◽  
C. Fung
Keyword(s):  
Mass Transfer ◽  
Fragment Size ◽  
Number Concentration ◽  
Lower Pressure ◽  
Box Model ◽  
Size Distributions ◽  
Cloud Droplets ◽  
The Times ◽  
Rain Rates

Abstract Fragment size distributions, experimentally obtained for six drop pairs colliding at 50 kPa, are parameterized similarly to the 100-kPa drop pair experiments by Low and List. This information is then introduced into a box model to allow assessment of the spectra evolution and a comparison of the two datasets taken at the two pressures. The differences in breakup patterns include the following: The contributions to mass transfer by breakup and coalescence are very similar at the two pressures, with larger values at lower pressure; the overall mass evolution is not particularly sensitive to pressure; and disk breakup plays an “erratic” role. The situation for the number concentration, however, is totally different and develops gradually. At 50 kPa there is also no three-peak equilibrium developing as for 100 kPa. The times to reach equilibrium are ∼12 h. Note that the box model does not include accretion of cloud droplets—which may well be more important than growth by accretion of fragments. Application of the new parameterization is not beneficial for low rain rates, but it is strongly recommended for large rain rates (>50 mm h−1).

New insight into power-law behavior of fragment size distributions in the C60multifragmentation regime

2014 ◽  
Vol 141 (5) ◽  
pp. 054307 ◽  
Author(s):  
D. B. Qian ◽  
X. Ma ◽  
Z. Chen ◽  
B. Li ◽  
D. C. Zhang ◽  
...  
Keyword(s):  
Power Law ◽  
Fragment Size ◽  
Size Distributions ◽  
Insight Into
Sign in / Sign up

Export Citation Format

Share Document