Effects of moisture content, internode region, and oblique angle on the mechanical properties of sainfoin stem
Effects of moisture content, internode region, and oblique angle on the mechanical properties of sainfoin stem
The effects of moisture content, internode region, and oblique angle on several mechanical properties of sainfoin stem weredetermined. The selected mechanical properties used were the shearing stress, specific shearing energy, bending stress, and modulus ofelasticity when bending. The experiments were carried out with wet basis (WB) moisture contents of 71.76%, 45.57%, and 25.57%, atthe third and second internode regions from the bottom up to the top, and 2 oblique angles (0° and 28°). The research results showedthat the shearing stress of sainfoin stem increased as the moisture content increased, but decreased towards the upper internode of thestem. With the same moisture content, the shearing stress values obtained at an oblique angle of 28° were lower than those at an obliqueangle of 0°. The maximum shearing stress and specific shearing energy were 5.76 MPa and 16.65 mJ mm–2 with a WB moisture content of71.76% and an oblique angle of 0° at the first internode, respectively. The bending stress increased with decreasing moisture content. Themaximum bending stress was 36.45 MPa for the lower region with a WB moisture content of 25.57% and the modulus of elasticity whenbending decreased with an increase in the moisture content, and it was towards the upper region. The average modulus of elasticityvalues varied between 1.60 and 0.64 GPa.
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- Ahmad S, Raza I, Muhammad D, Ali H, Hussain S, Dogan H, Zia Ul
Haq M (2015). Radiation, water and nitrogen use efficiencies of
Gossypium hirsutum L. Turk J Agric For 39: 1-13.
- ASABE (2012a). American Society of Agricultural and Biological
Engineers, ASAE S368.4: Compression Test of Food Materials
of Convex Shape. St. Joseph, MI, USA: ASABE.
- ASABE (2012b). American Society of Agricultural and Biological
Engineers, ASAE S358.3: Moisture Measurement-Forages. St.
Joseph, MI, USA: ASABE.
- Baran MF, Dalmış İS, Kayişoğlu B (2015). Determining of some
mechanical properties of canola stalk with related to chopping.
- Eur J Sci Tech 2: 143-148 (article in Turkish with an abstract
in English).
- Cesur C, Eryılmaz T, Uskutoğlu T, Doğan H, Coşge Şenkal B
(2018). Cocklebur (Xanthium strumarium L.) seed oil and its
properties as an alternative biodiesel source. Turk J Agric For
42: 29-37.
- Chandio FA, Yi C, Tagar AA, Mari IA, Arslan C, Cuong DM, Fang H
(2013). Effect of loading rate on mechanical characteristics of
wheat and rice straw. Bulg J Agric Sci 19: 1452-1458.
- Chattopadhyay PS, Pandey KP (1999). Mechanical properties of
sorghum stalk in relation to quasi-static deformation. J Agr
Eng Res 73: 199-206.
- Chen Y, Gratton JL, Liu J (2004). Power requirements of hemp
cutting and conditioning. Biosyst Eng 87: 417-424.
- Esehaghbeygi A, Hoseinzadeh B, Khazei M, Masoumi A (2009).
Bending and shearing properties of wheat stem of Alvand
variety. World Appl Sci J 6: 1028-1032.
- Galedar MN, Tabatabaeefar A, Jafari A, Sharifi A, Rafiee S (2008).
Bending and shearing characteristics of alfalfa stems. Agric
Eng Int CIGR J 10: 1-9.
- Ghahraei O, Ahmad D, Khalina A, Suryanto H, Othman J (2011).
Cutting tests of kenaf stems. T ASABE 54: 51-56.
- Hoseinzadeh B, Shirmeshan A (2012). Bending and shearing
characteristics of canola stem. Am-Euras J Agric Environ Sci
12: 275-281.
- Igathinathane C, Womac AR, Sokhansanj S (2010). Corn stalk
orientation effect on mechanical cutting. Biosyst Eng 107: 97-
106.
- İnce A, Uğurluay S, Güzel E, Özcan MT (2005). Bending and
shearing characteristics of sunflower stalk residue. Biosyst Eng
92: 175-181.
- Kaack K, Schwarz KU (2001). Morphological and mechanical
properties of Miscanthus in relation to harvesting, lodging, and
growth conditions. Ind Crop Prod 14: 145-154.
- Koc AB, Liu B (2018). Ultrasonic cutting of switchgrass and
Miscanthus stems. Appl Eng Agric 34: 343-353.
- Koloor RT (2007). Paddy stems cutting energy and suggested blade
optimum parameters. Pak J Biol Sci 10: 4523‐4526.
- Kushaha RL, Vashnav AS, Zoerb GC (1983). Shear strength of wheat
straw. Can Agr Eng 25: 163-166.
- Leblicq T, Vanmaercke S, Ramon H, Saeys W (2015). Mechanical
analysis of the bending behavior of plant stems. Biosyst Eng
129: 87-99.
- Liu Q, Mathanker SK, Zhang Q, Hansen AC (2012). Biomechanical
properties of Miscanthus stems. T ASABE 55: 1125-1131.
- Mathanker SK, Grift TE, Hansen AC (2015). Effect of blade oblique
angle and cutting speed on cutting energy for energycane
stems. Biosyst Eng 133: 64-70.
- Mohsenin NN (1980). Physical Properties of Plant and Animal
Materials. New York, NY, USA: Gordon and Breach Science
Publishers.
- Nazari Galedar M, Jafari A, Mohtasebi SS, Tabatabaeefar A, Sharifi A,
O’Dogherty MJ, Rafiee S, Richard G (2008). Effects of moisture
content and level in the crop on the engineering properties of
alfalfa. Biosyst Eng 101: 199-208.
- Özbek O, Seflek AY, Carman K (2009). Some mechanical properties
of safflower stalk. Appl Eng Agric 25: 619‐625.
- Persson S (1987). Mechanics of Cutting Plant Material. 1st ed. St.
Joseph, MI, USA: ASAE.
- Srivastava AK, Goering CE, Rohrbach RP, Buckmaster DR (2006).
Engineering Principles of Agricultural Machines. 2nd ed. St.
Joseph, MI, USA: ASAE.
- Tavakoli H, Mohtesebi SS, Jafari A (2009). Physical and mechanical
properties of wheat straw as influenced by moisture content.
Int Agrophys 23: 175-181.
- TÜİK (2017). Fodder Crops Production Statistics. Ankara, Turkey:
Turkish Statistical Institute (in Turkish).
- Yu M, Igathinathane C, Hendrickson J, Sanderson M, Liebig M
(2014). Mechanical shear and tensile properties of selected
biomass stems. T ASABE 57: 1231-1242.
- Zia-Ul-Haq M, Ahmad S, Bukhari SA, Amarowicz R, Ercisli S, Jaafar
HZE (2014). Compositional studies and biological activities of
some mash bean (Vigna mungo (L.). Biol Res 47: 23.