International Journal of Applied Science and Engineering
Published by Chaoyang University of Technology

M. A. Jusoha*, Z. Abbasb, M. A. A. Rahmanb, C. E. Mengc, M. F. Zainuddinb, and F. Esab

aFaculty of Industrial Sciences and Technology, Universiti Malaysia Pahang, Malaysia
bDepartment of Physics, Faculty of Science, Universiti Putra Malaysia, Selangor, Malaysia
cSchool of Mechatronic Engineering, Universiti Malaysia Perlis, Malaysia


 

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ABSTRACT


This paper describes the critical study of open ended coaxial sensor using simulation technique by finite element method. The simulation includes the finding of cutoff wavenumber at each mode and was compared to analytical method. The simulation was also performed in finding the minimum thickness requirement for sample and the influencing parameters of coaxial probe performance. The simulation was carried out using COMSOL software.


Keywords: Open ended coaxial; finite element method; COMSOL.


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REFERENCES


[1] Abbas, Z., You, K. Y., Shaari, A. H., Zakaria, A., and Hassan, J. 2005. Fast and Accurate Technique for Determination of Moisture Content in Oil Palm Fruits Using Open-Ended Coaxial Sensor. Japanese Journal of Applied Physics, 44: 5272-5274.

[2] Abbas, Z., You K. Y., Shaari, A. H., Khalid, K., Hassan, J., and Saion, E. 2005. Complex Permittivity and Moisture Measurements of Oil Palm Fruits Using an Open-ended Coaxial Sensor. Sensors Journal, IEEE, 5, 6: 1281-1287.

[3] Grant, J. P., Clarke, R. N., Symm, G. T., and Spyrou, N. M. 1989. A Critical Study of the Open-Ended Coaxial Line Sensor Technique for RF and Microwave Complex Permittivity Measurements. J. Phys. E: Sci. Instrum., 22: 757.

[4] Marsland, T. P. and Evans, S. 1987. Dielectric Measurement with an Open Ended Coaxial Probe. IEE Proceeding H., 134-349.

[5] Poumaropoulos, C. and Misra, D. 1993. A study on the coaxial aperture electromagnetic sensor and its application in material characterization. IEEE Instrumentation and Measurement Technology Conference, 52-55.

[6] You K. Y., Abbas Z., Khalid K., and Kong N. F. 2009. Improved formulation for admittance of thin and short monopole driving from coaxial line into dissipative media. IEEE Antennas and Wireless Propagation Letters, Vol. 8, 1246-1249.

[7]   COMSOL®3.5 “User Guide”. COMSOL, Inc., 8 New England Executive Park, Suite 310, Burlington, MA 01803. USA.


ARTICLE INFORMATION


Received: 2012-07-12
Revised: 2012-09-28
Accepted: 2013-04-25
Available Online: 2013-12-01


Cite this article:

Jusoh, M.A., Abbas, Z., Rahman, M.A.A., Meng, C.E., Zainuddin, M.F., Esa, F. 2013. Critical study of Open-ended coaxial sensor by Finite Element Method (FEM). International Journal of Applied Science and Engineering, 11, 343–360.https://doi.org/10.6703/IJASE.2013.11(4).343