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Mechanical strength of wheat grain varieties influenced by moisture content and loading rate

Mechanical shear resistance of wheat grain is a significant concern for the designers and researchers related to the design of threshing, handling and processing machinery of the field crops. The grain mechanical properties directly affect the machine geometry and its operational parameters. The pre...

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Bibliographic Details
Published in:International journal of agricultural and biological engineering 2018-07, Vol.11 (4), p.35-41
Main Authors: Li, Yaoming, Ali Chandio, Farman, Ma, Zheng, Ali Lakhiar, Imran, Razaque Sahito, Abdul, Ahmad, Fiaz, Ali Mari, Irshad, Farooq, Umer, Suleman, Muhammad
Format: Article
Language:English
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Summary:Mechanical shear resistance of wheat grain is a significant concern for the designers and researchers related to the design of threshing, handling and processing machinery of the field crops. The grain mechanical properties directly affect the machine geometry and its operational parameters. The present study was carried out to determine the shear resistance of five wheat varieties (Locally names; TD-02, Sindhu-1105, Benazir, China and SKD-118) influenced by moisture content (16.7%, 18.7% and 19.5%) and loading rate (3 mm/s, 6 mm/s and 9 mm/s). However, some physio-dimensional properties (length, width, thickness, slenderness ratio, surface area and sphericity) were obtained at different moisture contents. The results showed that the shear resistance reduced by increasing the moisture content and loading rate. The average shear resistance decreased from 10.45 N to 3.74 N for 3-9 mm/s loading rate at moisture content of 16.7% to 19.5%. Thus, the maximum correlation (r = 0.905) of shear resistance obtained at 16.7%, whereas minimum correlation (r = 0.692) obtained at 19.5%. The shear resistance of wheat grain was highly significant (p
ISSN:1934-6344
1934-6352
DOI:10.25165/j.ijabe.20181104.3737