Broadband Complex Dielectric Constants of Water and Sodium Chloride Aqueous Solutions with Different DC Conductivities

被引：41

作者：

Midi, Nur Shahida ^{[1
]}

Sasaki, Kaito ^{[2
]}

Ohyama, Ryu-ichiro ^{[1
,3
]}

Shinyashiki, Naoki ^{[2
,4
]}

机构：

[1] Tokai Univ, Sch Engn, Dept Elect & Elect Engn, Hiratsuka, Kanagawa 2591292, Japan

[2] Tokai Univ, Sch Sci, Dept Phys, Hiratsuka, Kanagawa 2591292, Japan

[3] Tokai Univ, Hiratsuka, Kanagawa 2591292, Japan

[4] Fuji Photo Film Co Ltd, Engn Sect, Prod Div Photo Paper, Minato, Tokyo, Japan

来源：

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING | 2014年 / 9卷

关键词：

complex dielectric constant; complex conductivity; water; sodium chloride solution; NACL SOLUTIONS; MICROWAVE-FREQUENCIES; PERMITTIVITY; TEMPERATURE; 0-DEGREES-C; SEAWATER;

D O I：

10.1002/tee.22036

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Broadband dielectric constant measurements in the frequency range between 40 Hz and 50 GHz of pure water, tap water, and sodium chloride aqueous solutions with different DC conductivities up to 5 S/m were conducted. The measurements were done using an impedance analyzer for the frequency range 40 Hz to 110 MHz and a vector network analyzer for 10 MHz to 50 GHz. The results show that the dielectric constant decreases with the increase in DC conductivity and is dependent on the frequency. The dielectric relaxation of water with a constant dielectric loss peak was also observed. The frequency dependence of the conductivity is also large. (c) 2014 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

引用

页码：S8 / S12

页数：5

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