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Abstract
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Article Information:
Comparison of Mechanical Properties Between Two Varieties of Rice Straw
M. Tavakoli, H. Tavakoli, M.H. Azizi and G.H. Haghayegh
Corresponding Author: Mahmoud Tavakoli
Submitted: 2009 November, 07
Accepted: 2009 November, 23
Published: 2010 January, 10 |
Abstract:
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The objective of this work was to compare the mechanical properties between two varieties of rice
straw (Hashemi and Alikazemi). The experiments were conducted at moisture contents of 71.6 and 70.8% w.b.
for Hashemi and A likazemi varieties, respectively and three internode positions down from the ear. The average
shear strength for Hashemi variety was significantly higher (p<0.05) than that of Alikazemi variety. The values
were 13.08 and 8.56 MPa for Hashemi and Alikazemi varieties, respectively. The shearing energy of Hashemi
and Alikazemi varieties increased from 122.76 to 236.06 and 86.89 to 191.31 mJ, respectively, towards the
third internode position. The bending strength and Young’s Modulus of Hashemi variety were significantly
higher (p<0.05) than those of Alikazemi variety. The results showed that the energy requirement for shearing
of Hashemi variety is more than Alikazemi variety.
Key words: Shear strength, shearing energy, straw, rice, Young’s modulus, ,
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Cite this Reference:
M. Tavakoli, H. Tavakoli, M.H. Azizi and G.H. Haghayegh, . Comparison of Mechanical Properties Between Two Varieties of Rice Straw. Advance Journal of Food Science and Technology, (1): Page No: 50-54.
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ISSN (Online): 2042-4876
ISSN (Print): 2042-4868 |
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