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- Title
Thermo-physical properties of rubber seed useful in the design of storage structure.
- Authors
Fadeyibi, A.; Osunde, Z. D.
- Abstract
This study was carried out to determine the thermo-physical properties of rubber seed in the moisture range of 9.1% to 14.8% (w.b.). The length, width, thickness, measured surface area, bulk density and true density increased with increasing moisture content with high coefficients of determination (significant at p<0.05). Their optimum values at 14.8% moisture content were 17.00 mm, 11.94 mm, 8.26 mm, 285.20 mm2, 295.00 kg/m3 and 470.67 kg/m3, respectively. The angle of repose increased as moisture content increased with low coefficient of determination and has optimum value of 28.81°at 14.8% moisture content. The specific heat capacity and thermal conductivity decreased linearly while thermal diffusivity increased exponentially with an increase in moisture content (significant at p<0.05). The optimum values of specific heat capacity, thermal conductivity and diffusivity at 14.8% moisture content were 55.84 kJ/(kg.K), 0.032 W/(m.K) and 1.93×10-9 m2/s, respectively. The results are essential in the design of storage structure for rubber seed.
- Subjects
THERMOPHYSICAL properties; HEVEA seed oil; THERMAL conductivity; THERMAL diffusivity; SPECIFIC heat
- Publication
International Journal of Agricultural & Biological Engineering, 2012, Vol 5, Issue 2, p62
- ISSN
1934-6344
- Publication type
Article
- DOI
10.3965/j.ijabe.20120502.008