Determination of Some Physical Properties and Terminal Velocity of  Locust Beans of Parkia Specie (Parkia biglobosa)

Determination of Some Physical Properties and Terminal Velocity of Locust Beans of Parkia Specie (Parkia biglobosa)

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Publisher: ADEWUNMI

Authors: Adewunmi ET AL

Publish Year: 2015

Pages: 7

ISBN10: 1115 – 8336

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Designing equipment and implements for handling and processing of biological materials requires the
knowledge of physical and aerodynamic properties of such materials. However, the physical and
aerodynamic properties studied in this research work as regards the seeds include; the axial dimensions,
weight, sphericity, bulk density, porosity and terminal velocity. 100 seeds of locust beans were randomly
selected for this research study. The range of properties determined are major diameter varied between
1.03mm to 1.35mm, intermediate diameter from 0.65mm to 0.75mm, while minor diameter also varied
from 0.40mm to 0.68mm. The result analysis of this research work showed that the sphericity of the seed
would rather roll than slide, this varied from 52.92% to 76.97%. The weight of the seed used also varied
from 0.08g to 0.17g. The bulk densities of the seeds was found to vary from 0.8812g/ml3
and 0.9166g/ml3
.With an average particle density of 1.2607g/ml3 ,the seed is unable to float in water and this makes
separation from other materials by floatation in water slightly possible. The porosity of the seed