Effect of moisture content and frequency in dielectric properties of two paddy variety

Document Type : Research Paper

Authors

1 MSc. Student, Faculty of Crop Engineering, Sari University of Agricultural Sciences and Natural Resources

2 Scientific member/Department of Mechanics of Biosystems Engineering, Faculty of Crop Engineering, Sari University of Agricultural Sciences and Natural Resources

Abstract

Dielectric properties of agricultural products is one of the most important physical properties of Agricultural and food products and these properties are used heavily in developing as new technology for use in agriculture and related industries. Therefore, in this study investigated the changes in the dielectric properties of Pazhohesh and Ghaem varieties of paddy as a dielectric material four moisture content levels (13%, 16%, 19% and 22% dry basis) and frequency levels (100, 300, 500, 700 KHz) at a factorial design on a completely randomized design base; Results showed that there was no significant difference between investigated varieties in terms of dielectric properties. Also the Moisture content has significant and multiplier effect in all dielectric properties of paddy. It also increases the frequency of the input voltage leads to increased conductivity of paddy, but the reverse effect on the relative dielectric constant and loss factor. Also among interaction effects these factors, only the interaction of moisture and frequency, Has a significant influence on the relative dielectric constant and loss factor.

Keywords

Main Subjects

References

ASAE Standards. (1994). S352.2. Moisture measurement ungrounded grains and seeds. St. Joseph, MI, ASAE.
Aydin, C., Ogut, H. & Konak, M. (2002). Some physical properties of Turkish Mahaleb. Biosystems Engineering, 82(3), 231-234.
Bengtsson, N. E. & Rissman, P.O. (1971). Dielectric property of food at 3 GHz as determinaed by a cauity perturbation technique. Journal of Microwave power, 6(2), 107-123.
Berbert, P. A., Queiroz, D. M., Sousa, E. F., Molina, M. B., Melo, E. C. & Faroni, L. R. D. (2001). Dielectric properties of parchment coffee. Journal of Agricultural Engineering Research, 80(1), 65-80.
Berbert, P. A., Queiroz, D.M. & Melo, E.C. (2002). Dielectric properties of common bean. Biosystems Engineering, 83(4), 449–462.
Boldor, D., Sanders, T. H. & Simunovic. J. (2004). Dielectric properties of in-shell and shelled peanuts at microwave frequencies. Transactions of the ASAE, 47(4), 1159–1169.
Debye, P. (1929).Polar Molecules, Dover Publication, Inc., New York, 60.
Deloor, G. P. (1968). Dielectric properties of heterogeneous mixtures containing water. Journal of Microwave Power, 3 (2), 67.
Dunlap, W. C. & Makower, B. (1945). Radio frequency dielectric properties of dehydrated carrots. Journal of Physical Chemistry, 49(6), 601-621.
Gradinarsky, L., Brage, H., Lagerholm, B., Björn, I. & Folestad, S. (2006). In situ Monitoring and Control of Moisture Content in Pharmaceutical Powder Processes using an Open-ended Coaxial Probe. Measurement Science and Technology, 17, 1847-1853.
Jarimopas, B., Nunak, T. & Nunak, N. (2005). Electronic device for measuring volume of selected fruit and vegetables. Postharvest Biology and Technology, 35, 25–31.
Jha, S. N. (2011). Nondestructive evaluation of food quality, Theory and Practice. Berlin: Springer.
Kim, K. B., Kim, J. H., Lee, S. S. & Noh, S. H. (2002). Measurement of grain moisture content using microwave attenuation at 10_5GHz and moisture density. IEEE Transactions on Instrumentation and Measurement, 51(1), 72–77
Kitaneh, R. M. L., Saleh, A, M. & Gould, R. D. (2006). Ac electrical parameters of Al-ZnPc-Al organic semiconducting films. Central European Journal of Physics, 1(4), 87-104.
Kraszewski, A., Trabelsi, S., & Nelson S. (1998). Moisture Content Determination in Grain by Measuring Microwave Parameters. Measurement Science and Technology, 8, 857-863.
Kumhala, F., Kviz, Z., Kmoch, J. & Prosek. V. (2007). Dynamic laboratory measurement with dielectric sensor for forage mass flow determination. Research in Agricultural Engineering, 53(4), 149–154
Kumhala, F., Prosek, V. & Blahovec. J. (2009). Capacitive throughput sensor for sugar beets and potatoes. Biosystems engineering, 102, 36-43.
Lawrence, K. C., W. R. Windham, W. R. & Nelson, S. O. (1998). Wheat moisture determination by 1 to 110 MHz swept frequency admittance measurements. Transactions of the ASAE, 41 (1), 135-142.
Liu, Y., Yang, Y. & FU, X. (2005). Prediction of valid acidity in intact apples with Fourier transform near infrared spectroscopy. Journal of Zhejiang University SCIENCE, 6B (3), 158-164.
Mireei, S. A., Mohtasebi, S. S., Massudi, R., Rafiee, S. & Arabanian, A. S. (2010). Feasibility of a near infrared spectroscopy for analysis of date fruits. International Agrophysics, 24, 351-356.
Mohsenin, N. N. (1986). Physical Properties of Plant and Animal Materials (revised 2nd Ed.). New York, Gordon and Breach Science Publications.
Nelson, S. O. & Bartley, J. P. G. (1998). Measuring dielectric properties of hard red winter wheat from 1 to 350MHz with a flow-through coaxial sample holder. Transactions of the ASAE, 41(1), 143-150.
Nelson, S. O. & Bartley, J. P. G. (2000). Measuring frequency-and temperature dependent dielectric properties of food materials. Transactions of the ASAE, 43(6), 1733-1736.
Nelson, S. O. (1965). Dielectric properties of grain and seed in the 1 to 50-mc range. Transactions of the ASAE, 8(1), 38–48.
Nelson, S. O. (1999). Dielectric properties measurement techniques and applications. Transactions of the ASAE, 42 (2), 523-529.
Nelson, S. O. (2005). Dielectric spectroscopy in agriculture. Journal of Non-Crystalline Solids, 351, 2940-2944.
Nelson, S. O. (2006).Agricultural applications of dielectric measurements. IEEE Transactions on dielectrics and Electrical Insulation, 16, 688-702.
Nelson, S. O. (2008). Dielectric properties of agricultural products and some applications. Research in Agricultural Engineering, 54, 104-112.
Nelson, S. O., Stetson, L. E. (1976). Frequency and Moisture Dependence of the Dielectric Properties of Hard Red Winter Wheat. Journal Agricultural Engineering Research, 21, 181-192.
Ragni, L., Al-Shami, A., Mikhaylenko, G. & Tang, A. (2007). Dielectric characterization of hen eggs during storage. Journal of Food Engineering, 82, 450–459.
Sacilik, K. & Colak, A. (2010). Determination of dielectric properties of corn seeds from 1 to 100 MHz. Powder Technology, 203, 365–370.
Sacilik, K., Tarimc, C. & Colak, A. (2007). Moisture content and bulk density dependence of dielectric properties of safflower seed in the radio frequency range. Journal of Food Engineering, 78, 1111-1116.
Sacilik, K., Tarimci, C. & Colak, A. (2006). Dielectric Properties of Flaxseeds as affected by Moisture Content and Bulk Density in the Radio Frequency Range. Biosystems Engineering, 93 (2), 153-160.
Scaife, B. K. P. (1998). Principles of Dielectrics. London. Oxford University Press.
Sokhansanj, S. & Nelson, S. O. (1988). Dependence of dielectric properties of whole-grain wheat on bulk density. Journal of Agricultural Engineering Research, 39(3), 173–179.  
Soltani, M. & Alimardani, R. (2011). Moisture-Dependent Dielectric Properties of Pea and Black-Eyed Pea. Journal of American Science, 7(4), 60-64.
Soltani, M., Alimardani, R. & Omid, M. (2011). A Feasibility Study of Employing a Capacitance Based Method in Banana Ripeness Recognition. Iranian Journal of Biosystems Engineering, 42(1), 21-27. (In Farsi)
Stuchly, M. A., & Stuchly, S. S. (1980). Coaxial Line Reflection Method for Measuring Dielectric Properties of Biological Substances at Radio and Microwave Frequencies - A Review. IEEE Trans, on Inst and Meas, IM-29, 176-183.
Summers, D., Lewis, M., Ostendorf B. & Chittleborough. D. (2011). Visible near-infrared reflectance spectroscopy as a predictive indicator of soil properties. Ecol. Indic, 11, 123-131.
Sun, D. W. (2012). Thermal Food Processing: New Technologies and Quality Issues. (2th ed.). Boca Raton, Florida. CRC Press.
Taghinezhad, J., Alimardani, R. & Jafari, A. (2012). Development of a Capacitive Sensing Device for Prediction of Water Content in Sugarcanes Stalks. International Journal of Advanced Science and Technology, 44, 61-68.
Venkatesh, M. S. & Raghavan G. S. V. (2005). An overview of dielectric properties measuring techniques. Canadian Biosystems Engineering, 47(7), 15-30.
Zhu, X., Guo, W., Wu, X. & Wang, S. (2012). Dielectric properties of chestnut flour relevant to drying with radio-frequency and microwave energy. Journal of Food Engineering, 113, 143–150.
Iranian Journal of Biosystems Engineering
Volume 47, Issue 1
May 2016
Pages 51-61

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History

  • Receive Date: 19 August 2014
  • Revise Date: 07 October 2015
  • Accept Date: 26 December 2015

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