TY - JOUR
T1 - Analytical study on change of temperature and absorption characteristics of a single-layer radiowave absorber under irradiation electric power
AU - Suga, Ryosuke
AU - Hashimoto, Osamu
AU - Pokharel, Ramesh K.
AU - Wada, Kouji
AU - Watanabe, Shinya
N1 - Funding Information:
Manuscript received April 16, 2004; revised April 8, 2005. This work was supported in part by a Grant-in-Aid for the 21st Century COE Program from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of the Japanese Government. R. Suga, O. Hashimoto, and S. Watanabe are with Aoyama Gakuin University, shi, Kanagawa 229-8558, Japan (e-mail: suga@ee.aoyama.ac.jp). R. K. Pokharel is with Kyushu University, Higashi-ku, Fukuoka, Japan. K. Wada is with the University of Electro-Communication, Tokyo, Japan. Digital Object Identifier 10.1109/TEMC.2005.854102
PY - 2005/11
Y1 - 2005/11
N2 - Radiowave absorbers are frequently used in high power applications, such as radar sites, and the rise of temperature of the absorber has often become a matter of concern. In this paper, the finite-difference time-domain (FDTD) method combined with the heat transport equation (HTE), also known as the FDTD-HTE method, which has been widely used in the analysis of microwave heating or temperature increase in the human head due to portable phones, is used in the analysis of the wave absorption characteristics of a single-layer wave absorber. The complex permittivity of a sample made of epoxy resin, measured by a cavity-resonator method when the sample is irradiated by a high power field for different irradiation times, is used in the analysis, and the wave absorption characteristics of the absorber under investigation highly depend on the input power and irradiation time of the high power field.
AB - Radiowave absorbers are frequently used in high power applications, such as radar sites, and the rise of temperature of the absorber has often become a matter of concern. In this paper, the finite-difference time-domain (FDTD) method combined with the heat transport equation (HTE), also known as the FDTD-HTE method, which has been widely used in the analysis of microwave heating or temperature increase in the human head due to portable phones, is used in the analysis of the wave absorption characteristics of a single-layer wave absorber. The complex permittivity of a sample made of epoxy resin, measured by a cavity-resonator method when the sample is irradiated by a high power field for different irradiation times, is used in the analysis, and the wave absorption characteristics of the absorber under investigation highly depend on the input power and irradiation time of the high power field.
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U2 - 10.1109/TEMC.2005.854102
DO - 10.1109/TEMC.2005.854102
M3 - Article
AN - SCOPUS:31744442189
VL - 47
SP - 866
EP - 871
JO - IEEE Transactions on Electromagnetic Compatibility
JF - IEEE Transactions on Electromagnetic Compatibility
SN - 0018-9375
IS - 4
ER -