An investigation into the fertilizer particle dynamics off-the-disc

Simple item page
dc.contributor.authorAntille, Diogenes Luis
dc.contributor.authorGallar, Luis
dc.contributor.authorMiller, P. C. H.
dc.contributor.authorGodwin, R. J.
dc.date.accessioned2015-03-13T14:35:39Z
dc.date.available2015-03-13T14:35:39Z
dc.date.issued2015
dc.description.abstractThe particle size range specifications for two biosolids-derived organomineral fertilizers (OMF) known as OMF10 (10:4:4) and OMF15 (15:4:4) were established. Such specifications will enable field application of OMF with spinning disc systems using conventional tramlines spacing. A theoretical model was developed, which predicts the trajectory of individual fertilizer particles off-the-disc. The drag coefficient (Cd) was estimated for small time steps (10-6 s) in the trajectory of the particle as a function of the Reynolds number. For the range of initial velocities (20 to 40 m s-1), release angles (0° to 10°) and particle densities (1000 to 2000 kg m-3) investigated, the analysis showed that OMF10 and OMF15 need to have particle diameters between 1.10 and 5.80 mm, and between 1.05 and 5.50 mm, respectively, to provide similar spreading performance to urea with particle size range of 1.00 to 5.25 mm in diameter. OMF10 and OMF15 should have 80% (by weight) of particles between 2.65 and 4.30 mm, and between 2.55 and 4.10 mm, respectively. Due to the physical properties of the material, disc designs and settings that enable working at a specified bout width by providing a small upward particle trajectory angle (e.g., 10°) are preferred to high rotational velocities. However, field application of OMF with spinning discs applicators may be restricted to tramlines spaced at a maximum of 24 m; particularly, when some degree of overlapping is required between two adjacent bouts. The performance of granular fertilizers can be predicted based on properties of the material, such as particle density and size range, using the contour plots developed in this study.en_UK
dc.identifier.citationAntille, D. L., Gallar, L., Miller, P. C. H., Godwin, R. J., An investigation into the fertilizer particle dynamics off-the-disc, Applied Engineering in Agriculture, Volume 31, Issue1, 2015, pages 49-60en_UK
dc.identifier.issn0883-8542
dc.identifier.urihttp://elibrary.asabe.org/abstract.asp?aid=45398&t=3&dabs=Y&redir=&redirType=
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/9175
dc.language.isoenen_UK
dc.publisherAmerican Society of Agricultural and Biological Engineersen_UK
dc.rightsCopyright © 2015 American Society of Agricultural and Biological Engineers
dc.subjectBiosolids granulesen_UK
dc.subjectFertilizer particle trajectoryen_UK
dc.subjectFertilizer spreadingen_UK
dc.subjectLanding distanceen_UK
dc.subjectOrganomineral fertilizers (OMF)en_UK
dc.subjectParticle densityen_UK
dc.subjectParticle diameteren_UK
dc.subjectUreaen_UK
dc.titleAn investigation into the fertilizer particle dynamics off-the-discen_UK
dc.typeArticleen_UK

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
An_Investigation_into_the_FertilizerParticle_Dynamics-2015.pdf
Size:
610.97 KB
Format:
Adobe Portable Document Format
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.79 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

Staff publications (SWEE)