Title :
Measurement of complex dielectric constant of sand and dust particles as a function of moisture content
Author :
Vishvakarma, Babau R. ; Rai, C.S.
Author_Institution :
Department of Electronics Engineering, Institute of Technology, Bonoras Hindu University, Varanasi - 221 005
Abstract :
Experimental Investigations were carried out to measure the complex dielectric constant of dry and moist soil samples (sand, silt & clay) at 10.45 GHz in bulk concentration. The complex dielectric constant is found to depend heavily on moisture content. Finer dust particles (clay) show higher dielectric constant than coarser ones (sand & silt) in dry sample. The effective increase in complex dielectric constant with same moisture content in sandy samples is greater than clayey and silty sample. Two distinct regions are clearly observed in the variation of the complex dielectric constant with moisture.
Keywords :
Attenuation measurement; Dielectric constant; Dielectric measurements; Frequency; Length measurement; Microwave propagation; Moisture measurement; Particle measurements; Permittivity measurement; Soil;
Conference_Titel :
Microwave Conference, 1993. 23rd European
Conference_Location :
Madrid, Spain
DOI :
10.1109/EUMA.1993.336630
