Conference Proceedings Detail Page

written by Paul Dolan
A granular material can be defined as any loosely interacting collection of (usually) solid particles.1 Depending on the conditions, a granular material can be best described as a solid, or as a fluid, or as a gas, or in some case not adequately as any of these, which makes this both an interesting and difficult field of study.

The behavior of granular materials is something that is encountered frequently in all aspects of everyday life. Some of the situations include grain silos, trash piles, sand & salt that is used for building and on winter roads, snow (as in avalanches), and mixing of various food and medical supplies, such as pharmaceuticals. A granular material would be generally defined as consisting of discrete units of a solid material that neither chemically interact, nor otherwise strongly cohere together. Thus, the arrangement and motion of these materials is neither that of a solid (in which the various parts are tightly bound together) nor that of a fluid (in which the parts may easily flow over & around other parts). The size of the particles, per se, is not important -- the phenomenology is similar with very fine grains (such as powders) and with rather large 'grains' (such as cannonballs). The possibility of using various sizes of grains allows for some interesting research proposals covering several length scales. For many experiments the size of the container needs to be 'large' compared to the grain size (typically a factor of 100 could be considered as 'large'), so that end effects are indeed restricted only to the ends. This of course means also a large number of particles – easy with things like sand, less so with things like marbles (1003 marbles can be quite massive!)
2011 AAPT Summer Meeting
Part of the Advanced Labs Workshop series
Omaha, Nebraska: July 30 - August 3, 2011
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Classical Mechanics
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General Physics
- Properties of Matter
Modern Physics
- Condensed Matter
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© 2011 Northeastern Illinois University
Keywords:
Granular, granular materials, material packing
Record Creator:
Metadata instance created February 3, 2012 by Ramon Torres-Isea
Record Updated:
March 5, 2012 by Ramon Torres-Isea
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AIP Format
P. Dolan, presented at the 2011 AAPT Summer Meeting, Omaha, Nebraska, 2011, WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11687&DocID=2564).
AJP/PRST-PER
P. Dolan, Granular Materials presented at the 2011 AAPT Summer Meeting, Omaha, Nebraska, 2011, <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11687&DocID=2564>.
APA Format
Dolan, P. (2011, July 30 - August 3). Granular Materials. Paper presented at 2011 AAPT Summer Meeting, Omaha, Nebraska. Retrieved July 29, 2014, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11687&DocID=2564
Chicago Format
Dolan, Paul. "Granular Materials." Paper presented at the 2011 AAPT Summer Meeting, Omaha, Nebraska, July 30 - August 3, 2011. http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11687&DocID=2564 (accessed 29 July 2014).
MLA Format
Dolan, Paul. "Granular Materials." 2011 AAPT Summer Meeting. Omaha, Nebraska: 2011. of Advanced Labs Workshop. 29 July 2014 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11687&DocID=2564>.
BibTeX Export Format
@inproceedings{ Author = "Paul Dolan", Title = {Granular Materials}, BookTitle = {2011 AAPT Summer Meeting}, Address = {Omaha, Nebraska}, Series = {Advanced Labs Workshop}, Month = {July 30 - August 3}, Year = {2011} }
Refer Export Format

%A Paul Dolan
%T Granular Materials
%S Advanced Labs Workshop
%D July 30 - August 3 2011
%C Omaha, Nebraska
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11687&DocID=2564
%O 2011 AAPT Summer Meeting
%O July 30 - August 3
%O application/pdf

EndNote Export Format

%0 Conference Proceedings
%A Dolan, Paul
%D July 30 - August 3 2011
%T Granular Materials
%B 2011 AAPT Summer Meeting
%C Omaha, Nebraska
%S Advanced Labs Workshop
%8 July 30 - August 3
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11687&DocID=2564


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