Dielectric investigation of some woven fabrics

摘要: In this paper, we have investigated the temperature dependence of dielectric properties (relative permeabilities and tangents losses) for woven fabrics hemp, jute, flax, cotton, polyester (PES), cotton-PES mixture, wool. The measurements been carried out at a range from −50 to 50 °C in electric periodic field frequency 1 MHz vacuum. For same specimens, values also measured an air 21 °C relative humidities 40%, 60%, 80%. At different frequencies 80 kHz 5 MHz, humidity 40% 21 °C. An investigation can provide better understanding relation between raw material compositions, temperatures, humidities, specimens. Hence, investigati...