Poomsa-ad, N. and Wiset, L. and Duangkhamchan, W. (2014) Effect of Moisture Content on Physical and Aerodynamic Properties of Sorghum. Journal of Medical and Bioengineering, 3 (3). pp. 167-170.
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Abstract
This research was to study the physical, mechanical and aerodynamic properties of sorghum. The moisture contents of sample for 5 levels were in the range of 9.06 to 29.15 % wet basis. Each moisture content level, fifty grains were sampled. The results found that the increase in moisture content resulted in the increasing of grain width, length, thickness and geometric diameter which in the range of 3.86 to 4.16 mm, 4.45 to 4.65 mm, 2.49 to 2.72 mm and 3.50 to 3.75. mm, respectively. In addition, the sphericity, the thousand grains mass and surface area were in the range of 0.79 to 0.81, 23.37 to 28.58 g, and 38.44 to 44.07 mm2, respectively. The porosity and angle of repose were found to increase from 35.15% to 36.75%, and 20.04° to 26.82°, respectively. The bulk and true density decreased from 815.40 to 712.60 kg/m3, and 1257.33 to 1126.72 kg/m3. The coefficient static friction on acrylic, wood, zinc and iron were in the range of 0.25 to 0.48, 0.40 to 0.48, 0.21 to 0.42 and 0.32 to 0.43, respectively. Terminal velocity and the drag coefficient were in the range of 8.54 to 9.73 m/s and 0.32 to 0.34.
| Item Type: | Article |
|---|---|
| Additional Information: | The authors would like to express their sincere thanks to Faculty of Engineering, Mahasarakham University for financial support. Also, we wish to thank Mahasarakham University Development Fund for conference participation. |
| Uncontrolled Keywords: | angle of repos ,bulk density, coefficient of friction |
| Author Affiliation: | Faculty of Engineering/Mahasarakham University, Maha Sarakham, 44150, Thailand |
| Subjects: | Agricultural Engineering Plant Physiology and Biochemistry > Plant Physiology |
| Divisions: | Sorghum |
| Depositing User: | Mr Daneti Raju |
| Date Deposited: | 09 Feb 2014 11:54 |
| Last Modified: | 09 Feb 2014 11:54 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/12454 |
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