Solar granulation and statistical crystallography: A modeling approach using size-shape relations

Details Solar granulation and statistical crystallography: A modeling approach using size-shape relations Solar granulation and statistical crystallography: A modeling approach using size-shape relations

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...282..252n&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 282, no. 1, p. 252-261

Astronomy and Astrophysics

Astronomy

3

Crystallography, Solar Convection (Astronomy), Solar Granulation, Statistical Correlation, Stellar Models, Mathematical Models, Pattern Recognition, Polygons

Scientific paper

The irregular polygonal pattern of solar granulation is analyzed for size-shape relations using statistical crystallography. In contrast to previous work which has assumed perfectly hexagonal patterns for granulation, more realistic accounting of cell (granule) shapes reveals a broader basis for quantitative analysis. Several features emerge as noteworthy: (1) a linear correlation between number of cell-sides and neighboring shapes (called Aboav-Weaire's law); (2) a linear correlation between both average cell area and perimeter and the number of cell-sides (called Lewis's law and a perimeter law, respectively) and (3) a linear correlation between cell area and squared perimeter (called convolution index). This statistical picture of granulation is consistent with a finding of no correlation in cell shapes beyond nearest neighbors. A comparative calculation between existing model predictions taken from luminosity data and the present analysis shows substantial agreements for cell-size distributions. A model for understanding grain lifetimes is proposed which links convective times to cell shape using crystallographic results.

Affiliated with

Also associated with

No associations

Rating

Solar granulation and statistical crystallography: A modeling approach using size-shape relations does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Solar granulation and statistical crystallography: A modeling approach using size-shape relations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Solar granulation and statistical crystallography: A modeling approach using size-shape relations will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1012970