Portable Six-Port Reflectometer for Determining Moisture Content of Biomass Material

作者: Sakol Julrat , Samir Trabelsi

DOI: 10.1109/JSEN.2017.2718659

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摘要: A portable six-port reflectometer for determining moisture content of biomass material is proposed the first time in this paper. The system consists a 5.13-GHz used with an open-ended half-mode substrate-integrated waveguide sensor. complex permittivity (sawdust) was measured, and dielectric-properties-based algorithm determination developed. performance verified by comparing measured to results obtained commercial automatic network analyzer. Finally, predicted compared standard oven drying method.

参考文章(18)
Claus Felby, Douglas J. Gardner, Niels Peter K. Nielsen, Torben Poulsen, Importance of temperature, moisture content, and species for the conversion process of wood residues into fuel pellets. Wood and Fiber Science. ,vol. 41, pp. 414- 425 ,(2009)
Sakol Julrat, Mitchai Chongcheawchamnan, Thanate Khaorapapong, Orasa Patarapiboolchai, Monai Kririksh, Ian D. Robertson, Single-Frequency-Based Dry Rubber Content Determination Technique for In-Field Measurement Application IEEE Sensors Journal. ,vol. 12, pp. 3019- 3030 ,(2012) , 10.1109/JSEN.2012.2208454
E.R.B. Hansson, G.P. Riblet, An Ideal Six-Port Network Consisting of a Matched Reciprocal Lossless Five-Port and a Perfect Directional Coupler IEEE Transactions on Microwave Theory and Techniques. ,vol. 31, pp. 284- 288 ,(1983) , 10.1109/TMTT.1983.1131477
Samir Trabelsi, Stuart O Nelson, Free-space measurement of dielectric properties of cereal grain and oilseed at microwave frequencies Measurement Science and Technology. ,vol. 14, pp. 589- 600 ,(2003) , 10.1088/0957-0233/14/5/308
P JENSEN, H HARTMANN, T BOHM, M TEMMERMAN, F RABIER, M MORSING, Moisture content determination in solid biofuels by dielectric and NIR reflection methods Biomass & Bioenergy. ,vol. 30, pp. 935- 943 ,(2006) , 10.1016/J.BIOMBIOE.2006.06.005
Sakol Julrat, Mitchai Chongcheawchamnan, Thanate Khaoraphapong, Ian D. Robertson, Analysis and Design of a Differential Sampled-Line Six-Port Reflectometer IEEE Transactions on Microwave Theory and Techniques. ,vol. 61, pp. 244- 255 ,(2013) , 10.1109/TMTT.2012.2227788
W. Meyer, W.M. Schilz, Feasibility Study of Density-Independent Moisture Measurement with Microwaves IEEE Transactions on Microwave Theory and Techniques. ,vol. 29, pp. 732- 739 ,(1981) , 10.1109/TMTT.1981.1130436