RESEARCH PAPER
Accurate measurements and establishment of a model of the mechanical properties of dried corn kernels
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Yi Jin 1
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Department of Biological and Agricultural Engineering, Jilin University, Changchun, China
 
 
Acceptance date: 2018-12-11
 
 
Publication date: 2019-07-19
 
 
Int. Agrophys. 2019, 33(3): 373-381
 
KEYWORDS
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ABSTRACT
Mechanical drying significantly affects the mechanical properties of corn kernels. Improper drying may result in material losses and in a decline in quality due to pressure, collisions, and other factors during subsequent storage and transport operations. A literature survey revealed that at time of writing the characteristics of dried corn kernels have not been systematically and fully studied. In this paper, an orthogonal rotation combination test scheme was designed. Using a multiparameter controllable thin layer drying test bench, corn was dried under different conditions (temperature 30-60°C, relative humidity 30-60%, air velocity 0.46-0.94 m s–1, initial moisture content of corn of 20-30% w.b., tempering ratio 0-3). Then, a texture analyser was used to measure the mechanical properties (rupture force, rupture energy, modulus of elasticity and brittleness) of the dried corn kernels. Relationship models were established for the rupture force, rupture energy, modulus of elasticity and brittleness and drying conditions of corn kernels. An increase in the drying temperature from 30 to 60°C increased the rupture energy, elastic modulus, and brittleness of the corn kernels by 19.11, 11.76, and 4.02%, respectively; an increase in the drying relative humidity from 30 to 60% increased the rupture force, energy, modulus of elasticity and brittleness by 15.07, 13.74, 20.73, and 3.31%, respectively.
 
REFERENCES (31)
1.
AbdEl Maksoud M.A., 2009. Mechanical properties of corn kernels. J. Agric. Eng. Res., 26(4), 1901-1922.
 
2.
Altuntaş E., Yıldız M., 2007. Effect of moisture content on some physical and mechanical properties of faba bean (Vicia faba L.) grains. J. Food Eng., 78(1), 174-183. https://doi.org/10.1016/j.jfoo....
 
3.
Aquerreta J., Iguaz A., Arroqui C., Vírseda P., 2007. Effect of high temperature intermittent drying and tempering on rough rice quality. J. Food Eng., 80(2), 611-618. https://doi.org/10.1016/j.jfoo....
 
4.
ASABE, 2012. Moisture measurement d unground grain and seeds. ASABE S352.2 APR1988 (R2012). St Joseph, Michigan.
 
5.
ASAE, 2003. Compression test of food materials of convex shape. American Society of Agricultural Engineers Standard #S368.4; ASAE: St. Joseph, MI,, 593-603.
 
6.
Chayjan R.A., Kaveh M., 2014. Physical parameters and kinetic modeling of fix and fluid bed drying of terebinth seeds: terebinth seed drying in fluidized bed. J. Food Proc.Preserv., 38(3), 1307-1320. https://doi.org/10.1111/jfpp.1....
 
7.
Cheng X.D., Yan X.J., Hu M.Z., 2016. The effect of storage pressure on the mechanical properties of paddy grains. J. Stored Prod. Res., 68, 19-24. https://doi.org/10.1016/j.jspr. 2016.03.003.
 
8.
Davidson V.J., Noble S.D., Brown R.B., 2000. Effects of drying air temperature and humidity on stress cracks and breakage of maize kernels. J. Agric. Eng. Res., 77(3), 303-308. https://doi.org/10.1006/jaer.2....
 
9.
Dong R., Lu Z., Liu Z., Koide S., Wei C., 2010. Effect of drying and tempering on rice fissuring analysed by integrating intra-kernel moisture distribution. J. Food Eng., 97(2), 161-167. https://doi.org/10.1016/j.jfoo....
 
10.
Doymaz I., Pala M., 2003. The thin-layer drying characteristics of corn. J. Food Eng., 60(2), 125-130. https://doi.org/10. 1016/S0260-8774(03)00025-6.
 
11.
Etekpe W.B.E.A.R.M.D.G.W.W., 2008. Determination of poisson’s ratio and elastic modulus of african nutmeg (monodora Myristica). Int. Agrophys., 22.
 
12.
GB/T, (21017-2007). Technical specification for drying corn in Chinese.
 
13.
Kalantari D., Eshtavad R., 2013. Influence of different tempering period and vacuum conditions on the rice grain breakage in a thin layer dryer. Cercetari Agronomice in Moldova, 46(4), 5-12. https://doi.org/10.2478/v10298....
 
14.
Khodabakhshian R., Shakeri M., 2012. Investigation on some mechanical aspects of safflower seed to the design of processing equipment. Int. J. Agric. Tech.
 
15.
Kiani M.K.D., Maghsoudi H., Minaei S., 2011. Determination of poisson’s ratio and young’s modulus of red bean grains. J. Food Proc. Eng., 34(5), 1573-1583. https://doi.org/10. 1111/j.1745-4530.2009.00391.x.
 
16.
Lewicki P.P., Jakubczyk E., 2004. Effect of hot air temperature on mechanical properties of dried apples. J. Food Eng., 64(3), 307-314. https://doi.org/10.1016/j.jfoo....
 
17.
Li H., Moray R.V., 1984. Thin-layer drying of yellow dent corn. T. ASAE, 27(2), 581-585. https://doi.org/10.13031/2013.....
 
18.
Li Li-juan L.C.-q., 2013. Effect of different drying methods on quality of nelumbo nucifera gaertn products. J. Nuclear Agric. Sci., 27(11), 1697-1703.
 
19.
Liu X., Jiang. N., Liu, CH.Q., Li D.J., 2011. Effects of drying methods on the quality of black edmame. Food Sci., 32(18), 59-62.
 
20.
Marques da Silva J.R., Silva L.L., 2006. Relationship between distance to flow accumulation lines and spatial variability of irrigated maize grain yield and moisture content at harvest. Bios. Eng., 94(4), 525-533. https://doi.org/10.1016/j.bios....
 
21.
Minaei S., 2014. Effect of drying temperature on mechanical properties of dried corn. Dry. Technol., 32(7), 774-780. https://doi.org/10.1080/073739....
 
22.
Pawlak G., 2003. Effect of drying on microstructure of plant tissue. Dry. Technol., 21(4), 657-683. https://doi.org/10. 1081/DRT-120019057.
 
23.
Prasad S., Gupta C.P., 1973. Behavior of paddy grains under quasi-static compressive loading. T. ASAE 16(2), 328-330. https://doi.org/10.13031/2013.....
 
24.
Shelef L., Mohsenin N.N., 1969. Effect of moisture content on mechanical properties of shelled corn. Cereal Chem., 46(3), 242-253.
 
25.
Singh K.P., Mishra H.N., Saha S., 2010. Moisture-dependent properties of barnyard millet grain and kernel. J. Food Eng., 96(4), 598-606. https://doi.org/10.1016/j.jfoo....
 
26.
Talab K.T., Ibrahim M.N., Spotar S., Talib R.A., Muhammad K., 2012. Glass transition temperature, mechanical properties of rice and their relationships with milling quality. Int. J. Food Eng., 8(3). https://doi.org/10.1515/1556-3....
 
27.
Tavakoli H., Rajabipour A., and Mohtasebi S.S., 2009. Moisture-dependent some engineering properties of soybean grains. Agricultural Engineering International: CIGR Journal.
 
28.
Woźniak W., Niewczas J., Kudra T., 1999. Internal damage vs. mechanical properties of microwave-dried wheat grain. Int. Agrophys., 13(2), 343-347.
 
29.
Zareiforoush H., Komarizadeh M.H., Alizadeh M.R., 2010. Mechanical properties of paddy grains under quasi-static compressive loading. New York Science Journal, 3(7), 40-46.
 
30.
Zareiforoush H., Komarizadeh M.H., Alizadeh M.R., Tavakoli H., Masoumi M., 2012. Effects of moisture content, loading rate, and grain orientation on fracture resistance of paddy (Oryza Sativa L.) grain. Int. J. Food Propert., 15(1), 89-98. https://doi.org/10.1080/109429....
 
31.
Zhang Q., Yang W., Sun Z., 2005. Mechanical properties of sound and fissured rice kernels and their implications for rice breakage. J. Food Eng., 68(1), 65-72. https://doi.org/10. 1016/j.jfoodeng.2004.04.042.
 
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