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United States Department of Agriculture

Agricultural Research Service

Pack Factor Study
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1 - Problem
2 - On-Site Measurements
3 - Project Objectives & Goals
4 - Experimental Design
5 - Project Investigators
6 - Collaborator List
On-Site Measurements


Experimental Methods:

Pack factor data will be gathered from commercial and on-farm bins and grain compaction will be measured for numerous grain samples in the laboratory. In the field, grain inside vertical storage bins constructed of steel and concrete will be measured using a laser distance meter. The mass of grain and grain properties, such as test weight and moisture content inside individual grain bins will be obtained from the collaborators.

 

On-Site Measurements: 
The measuring team will measure grain volume (i.e., bin diameter, eave height, grain height and cone dimensions, hopper-bottom dimensions, and false-floor height) and needs access for these. Two visits may be necessary to also obtain the empty bin measurements.

 

Data from Collaborators:   
Collaborators are asked to track accurately the total scale weights (net load, in lb) and grain properties (test weight, moisture content, dockage/BCFM) in individual grain bins. In elevators, our team can help monitor the tickets as trucks arrive to obtain this information. If it is a weigh out or a transfer from pile to grain bin, we need the accurate tracking of weights and grain properties and we measure the grain bin. On farms bins, we measure the bin and usually obtain the tickets after they sell the grain.

 

Please contact Dr. Boac or Dr. Casada if you would like to collaborate:

 

Dr. Josephine M. Boac

Research Associate, Kansas State University

Dept. of Biological and Agricultural Engineering

Phone: 785-776-2768 / Mobile: 785-317-7998

Email:  jmboac@ksu.edu

Dr. Mark Casada
Research Agricultural Engineer
USDA-ARS CGAHR EWERU
Phone:   785-776-2758

Email:  mark.casada@ars.usda.gov

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Last Modified: 3/25/2014
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