Dielectric properties of agricultural products and some applications

Research in Agricultural Engineering

Volumn 54, Issue 2, 2008, Pages 104-112

  Nelson, S O ^a  

^a RUSSELL RESEARCH CENTER   (United States)

Author keywords

Dielectric constant; Frequency dependence; Fruits; Grain; Loss factor; Microwave; Moisture content; Permittivity; Poultry products; Radio frequency; Seed; Vegetables

Indexed keywords

EID: 46349108553     PISSN: 12129151     EISSN: None     Source Type: Journal    
DOI: 10.17221/1000-rae     Document Type: Article

References (25)

1. ASAE (2000): ASAE D293.2 Dielectric properties of grain and seed. In: ASAE Standards 2000. American Society of Agricultural Engineers, St. Joseph, 549-558.
2. GUO W., NELSON S.O., TRABELSI S., KAYS S.J. (2007a): 10-1800-MHz dielectric properties of fresh apples during storage. Journal of Food Engineering, 83: 562-569.
3. GUO W., TRABELSI S., NELSON S.O., JONES D.R. (2007b): Storage effects on dielectric properties of eggs from 10 to 1800 MHz. Journal of Food Science, 72: E335-E340.
4. HASTED J.B. (1973): Aqueous Dielectrics. Chapman and Hall, London.
5. KNIPPER N.V. (1959): Use of high-frequency currents for grain drying. Journal of Agricultural Engineering Research, 4: 349-360.
6. KRASZEWSKI A.W., NELSON S.O. (1989): Composite model of the complex permittivity of cereal grain. Journal of Agricultural Engineering Research, 43: 211-219.
7. NELSON S.O. (1965): Dielectric properties of grain and seed in the 1 to 50-mc range. Transactions of the ASAE, 8: 38-48.
8. NELSON S.O. (1973): Electrical properties of agricultural products - A critical review. Transactions of the ASAE, 16: 384-400.
9. NELSON S.O. (1980): Microwave dielectric properties of fresh fruits and vegetables. Transactions of the ASAE, 23: 1314-1317.
10. NELSON S.O. (1983): Dielectric properties of some fresh fruits and vegetables at frequencies of 2.45 to 22 GHz. Transactions of the ASAE, 26: 613-616.
11. NELSON S.O. (1987): Models for the dielectric constants of cereal grains and soybeans. Journal of Microwave Power and Electromagnetic Energy, 22: 35-39.
12. NELSON S.O. (1992): Microwave dielectric properties of fresh onions. Transactions of the ASAE, 35: 963-966.
13. NELSON S.O. (1996): Review and assessment of radio-frequency and microwave energy for stored-grain insect control. Transactions of the ASAE, 39: 1475-1484.
14. NELSON S.O. (2003): Frequency- and temperature-dependent permittivities of fresh fruits and vegetables from 0.01 to 1.8 GHz. Transactions of the ASAE, 46: 567-574.
15. NELSON S.O. (2006): Agricultural applications of dielectric measurements. IEEE Transactions on Dielectrics and Electrical Insulation, 13: 688-702.
16. NELSON S.O., BARTLEY P.G., Jr. (2002): Frequency and temperature dependence of the dielectric properties of food materials. Transactions of the ASAE, 45: 1223-1227.
17. NELSON S.O., TRABELSI S. (2006): Dielectric spectroscopy of wheat from 10 MHz to 1.8 GHz. Measurement Science and Technology, 17: 2294-2298.
18. NELSON S.O., WHITNEY WK. (1960): Radio-frequency electric fields for stored-grain insect control. Transactions of the ASAE, 3: 133-137.
19. NELSON S.O., SODERHOLM L.H., YUNG F.D. (1953): Determining the dielectric properties of grain. Agricultural Engineering, 34: 608-610.
20. NELSON S.O., FORBUS W.R., JR., LAWRENCE K.C. (1994): Permittivities of fresh fruits and vegetables at 0.2 to 20 GHz. Journal of Microwave Power and Electromagnetic Energy, 29: 81-93.
21. NELSON S.O., FORBUS WR., JR., LAWRENCE K.C. (1995): Assessment of microwave permittivity for sensing peach maturity. Transactions of the ASAE, 38: 579-585.
22. NELSON S.O., TRABELSI S., KAYS S.J. (2006): Dielectric spectroscopy of honeydew melons from 10 MHz to 1.8 GHz for quality sensing Transactions of the ASABE, 49: 1977-1981.
23. NELSON S.O., Guo W., TRABELSI S., KAYS SJ. (2007): Dielectric spectroscopy of watermelons for quality sensing. Measurement Science and Technology, 18: 1887-1892.
24. TRABELSI S., KRASZEWSKI A., NELSON S.O. (1998): New density-independent calibration function for microwave sensing of moisture content in particulate materials. IEEE Transactions on Instrumentation and Measurement, 47: 613-622.
25. ZHUANG H., NELSON S.O., TRABELSI S., SAVAGE E.M. (2007): Dielectric properties of uncooked chicken breast muscles from ten to one thousand eight hundred megahertz. Poultry Science, 86: 2433-2440.