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Title: Complex Dielectric Constant of Sand & Dust Particles at 11 GHz as a Function of Moisture Content
Authors: Al-Hafid, Hafid Taha
Vishvakarma, B R
Al-Rizzo, Hussain Mudhefer
Issue Date: Feb-1985
Publisher: NISCAIR-CSIR, India
Abstract: A series of dielectric constant measurements have been carried out at II GHz for a variety of dust samples collected from the Nassirya-Daraji link where such storms are very common with a view to studying the effect of sand and dust storm on microwave propagation. Both dry and moist samples have been investigated. The complex dielectric constant is found to depend heavily on the moisture content, particle-size distribution and the composition of the particles. Finer dust particles exhibit higher dielectric constant than the coarser ones in dry samples. However, the moist samples are found to exhibit two distinct regions in the variation of complex dielectric constant with moisture. The transition moisture is also found to vary with the sample type.
Page(s): 21-24
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.14(1) [February 1985]

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