織布の含有水分率と見掛誘電率との関係について

抄録

The equation expressing the relation between apparent dielectric constant and moisture content of paper, pulp and cloth has been worked out by a few investigators in different forms. Among them, Akkar and Hardacker's equation, which is based on Clausius-Mosotti's equation, was found not to agree with experiment at high moisture region, the probable cause of which is that the equation was derived by assuming the dielectric constant of hypothetical paper to be solely composed of that of cellulose and water neglecting that of air and also by ignoring the polarity of water molecule. By assuming cloth to be composed of cellulose, water and air, the authors obtained an equation for the cloth by applying Debye's and FrShlich's equations to dielectric constant of water and then by combining Clausius-Mosotti's equation. Experiments on serge and muslin made of viscose span rayon showed good agreement with the equation.