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Titolo:
Physical properties of bambara groundnuts
Autore:
Baryeh, EA;
Indirizzi:
Univ Cape Coast, Dept Agr Engn, Cape Coast, Ghana Univ Cape Coast Cape Coast Ghana oast, Dept Agr Engn, Cape Coast, Ghana
Titolo Testata:
JOURNAL OF FOOD ENGINEERING
fascicolo: 4, volume: 47, anno: 2001,
pagine: 321 - 326
SICI:
0260-8774(200103)47:4<321:PPOBG>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
SEEDS;
Keywords:
bambara groundnuts; grains; seeds; physical properties; sphericity; porosity; angle of repose; coefficient of friction; handling machines;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Baryeh, EA Univ Cape Coast, Dept Agr Engn, Cape Coast, Ghana Univ Cape Coast Cape Coast Ghana Agr Engn, Cape Coast, Ghana
Citazione:
E.A. Baryeh, "Physical properties of bambara groundnuts", J FOOD ENG, 47(4), 2001, pp. 321-326

Abstract

The physical properties of bambara groundnut and other grains and seeds are necessary for the design of equipment to handle, transport, process and store the crop. The physical properties of bambara groundnut have been evaluated as a function of grain moisture content varying from 5% to 35% (wb). In this moisture range, grain length, width, thickness and geometric diameter increased from 10.5 to 14.65 mm, 9.48 to 11.65 mm, 8.50 to 10.90 mm and 9.65 to 12.55 mm respectively; the grain surface area and volume increased from 304 to 495 mm(2) and from 425 to 900 mm(3), respectively; the sphericity decreased from 0.90 to 0.87; the 1000-seed mass increased from 500.2 to 800.6 g; true and bulk densities decreased from 1.285 to 1.160 g/cm(3) and from 0.795 to 0.696 g/cm3, respectively; the porosity and angle of repose increased with increase in moisture content up to 43.8% and 23.5 degrees, respectively, at 20% moisture content; the sphericity decreased from 0.895 at 5% moisture content to 0.820 at 35% moisture content. The coefficient of static friction increased from 0.39 to 0.66, 0.29 to 0.58 and 0.25 to 0.49 for plywood, galvanised iron and aluminium, respectively. (C) 2000 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 06/04/20 alle ore 08:24:48