Packing factors of feed products in storage structures

dc.contributor.author	McNiel, SG	en
dc.contributor.author	Montross, MD	en
dc.contributor.author	Thompson, SA	en
dc.contributor.author	Ross, IJ	en
dc.contributor.author	Bridges, TC	en
dc.date.accessioned	2014-06-06T06:48:11Z
dc.date.available	2014-06-06T06:48:11Z
dc.date.issued	2008	en
dc.identifier.issn	08838542	en
dc.identifier.uri	http://62.217.125.90/xmlui/handle/123456789/4002
dc.relation.uri	http://www.scopus.com/inward/record.url?eid=2-s2.0-58049215151&partnerID=40&md5=98e99c789e78fbea4e225f39b7c13676	en
dc.subject	Bin	en
dc.subject	Bulk density	en
dc.subject	Coefficient of friction	en
dc.subject	Compressibility	en
dc.subject	Feed	en
dc.subject	Packing	en
dc.subject	Silo	en
dc.subject	Storage	en
dc.subject.other	Bins	en
dc.subject.other	Compressibility	en
dc.subject.other	Farm buildings	en
dc.subject.other	Friction	en
dc.subject.other	Functions	en
dc.subject.other	Model structures	en
dc.subject.other	Moisture	en
dc.subject.other	Moisture determination	en
dc.subject.other	Tribology	en
dc.subject.other	Bulk density	en
dc.subject.other	Coefficient of friction	en
dc.subject.other	Computer models	en
dc.subject.other	Control and managements	en
dc.subject.other	Corn meals	en
dc.subject.other	Distillers dried grains	en
dc.subject.other	Feed ingredients	en
dc.subject.other	Friction characteristics	en
dc.subject.other	Function of pressures	en
dc.subject.other	Moisture contents	en
dc.subject.other	Overburden pressures	en
dc.subject.other	Packing factors	en
dc.subject.other	Product types	en
dc.subject.other	Seed meals	en
dc.subject.other	Silo	en
dc.subject.other	Soybean meals	en
dc.subject.other	Storage	en
dc.subject.other	Storage structures	en
dc.subject.other	Wall materials	en
dc.subject.other	Mathematical models	en
dc.subject.other	Glycine max	en
dc.subject.other	Gossypium hirsutum	en
dc.subject.other	Zea mays	en
dc.title	Packing factors of feed products in storage structures	en
heal.type	journalArticle	en
heal.publicationDate	2008	en
heal.abstract	Experiments were conducted to measure the changes in bulk density of cracked corn, corn meal, soybean meal, cotton seed meal, and distillers dried grain (without solubles) when subjected to simulated overburden pressures. All materials were tested at two moisture content levels (approximately 8% and 12% w.b.) and seven pressures between 0 and 69 kPa (0 and 10 psi). A mathematical model was fitted to the data to predict the bulk density of each feed ingredient as a function of pressure and moisture content. These relationships were inserted into a previously developed computer model to predict ingredient packing within conventional storage structures based on Janssen's equation as a function of feed product type, moisture content of the material, friction characteristics of the bin wall material, material height, and bin diameter. Cracked corn experienced the smallest amount of packing (approximately 4.3% in a bin with a diameter of 1.8 m and a height of 1.8 m), while distillers dried grain (without solubles) had approximately 8.1% packing in the same sized bin. With a bin diameter of 5.5 m and a height of 5.5 m, distillers dried grain (without solubles) and cracked corn had a packing factor of 13.3% and 6.8%, respectively. As moisture content increased the amount of packing increased for all materials. The data presented can be used for inventory control and management. © 2008 American Society of Agricultural and Biological Engineers.	en
heal.journalName	Applied Engineering in Agriculture	en
dc.identifier.issue	5	en
dc.identifier.volume	24	en
dc.identifier.spage	625	en
dc.identifier.epage	630	en