Moisture Content Effect on the Volumetric Flow Rate of Egusi-Melon (Colocynthiscitrullus) Seeds through Horizontal Hopper Orifices

Moisture Content Effect on the Volumetric Flow Rate of Egusi-Melon (Colocynthiscitrullus) Seeds through Horizontal Hopper Orifices

Sabbas N. Asoegwu

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Agboola S. Ogunlowo

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Leo A. S. Agbetoye

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Federal University of Technology Owerri

Moisture Content Effect on the Volumetric Flow Rate of Egusi-Melon (Colocynthiscitrullus) Seeds through Horizontal Hopper Orifices

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Abstract

Seed flow through hopperorifices is found in systems of dosing-filling-packaging; in hopper feeding systems; and in technological processes for control and/or monitoring.This study was aimed at establishing the relationship between moisture content and the volumetric flow rate (Q) of egusi-melon (Colocynthis citrullus)seeds as they passed through horizontal hopper orifices. It is observed that Q decreased as the moisture content increased due probably to the increase in internal friction as the moisture content increased as well as the change in bulk density with moisture. When egusi-melon moisture content increased from 6.76 to 18.9% d.b., the Q through circular and square horizontal hopper orifices decreased by about 5.36% from 3.5848 to 3.3926m 3 /h (circular) and by about 4.36% from 2.3459 to 2.2436 m 3 /h (square), showing higher Q for circular than for square orifice. Also, Q had a negative linear relationship with moisture content with R 2 = 0.91. However, for increasing hopper orifice sizes, Q increased with power regression with exponents ranging from 2.54 to 2.95 for both orifices and for equivalent orifice diameter (D e ) and hydraulic orifice diameter (D h ). This study is important for proper design of hoppers and outlet nozzles to facilitate uninterrupted egusi-melon seed flow rate.

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No external funding was declared for this work.

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The authors declare no conflict of interest.

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How to Cite This Article

Sabbas N. Asoegwu. 2015. \u201cMoisture Content Effect on the Volumetric Flow Rate of Egusi-Melon (Colocynthiscitrullus) Seeds through Horizontal Hopper Orifices\u201d. Global Journal of Science Frontier Research - D: Agriculture & Veterinary GJSFR-D Volume 15 (GJSFR Volume 15 Issue D8).

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GJSFR Volume 15 Issue D8

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-D Classification FOR Code: 070199

Submission ReceivedSeptember 3, 2015
Peer Review Double Blind
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Accepted September 28, 2015
Published October 10, 2015

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November 14, 2015

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Article Matrices

Total Score: 103

Country: Nigeria

Subject: Global Journal of Science Frontier Research - D: Agriculture & Veterinary

Authors: Sabbas N. Asoegwu, Agboola S. Ogunlowo, Leo A. S. Agbetoye (PhD/Dr. count: 0)

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Total Views: 4049

Total Downloads: 1880

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