Attempt of formulation of quantitative measures of seed shape

The coefficient of shape and the coefficient of seed susceptibility to rolling have been formulated. The values of these coefficients were estimated based on the interrelation degree with the friction angle. The respective analysis was performed on an example of post-thrashing mixture of seeds, in w...

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Bibliographic Details
Published inRoczniki Nauk Rolniczych. Seria C Technika Rolnicza Vol. 79
Main Authors Rawa T, Semczyszyn M, Wierzbicki K, Pietkiewicz T
Format Journal Article
LanguageEnglish
Published 1993
Subjects
friction
frottement
graine de colza
measurement
mechanical properties
medicion
mesure
methode
methods
metodos
propiedades mecanicas
propiedades tecnicas
propriete mecanique
propriete technologique
rapeseed
rozamiento
seed
seed treatment
semence
semilla de colza
semillas
technical properties
traitement des semences
tratamiento de semillas
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Summary:The coefficient of shape and the coefficient of seed susceptibility to rolling have been formulated. The values of these coefficients were estimated based on the interrelation degree with the friction angle. The respective analysis was performed on an example of post-thrashing mixture of seeds, in which rapeseed constituted a principal species. It has been found that the shape coefficient expressed as a ratio of mean thickness and width to length of seed can be applied as simplified measure. A better measure of the seed shape comprising all the stereometric traits of seed appeared to be the coefficient of seed susceptibility to rolling.
Bibliography:F
F03
ISSN:0080-3677