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A method of designing low‐loss split‐ball resonator (SBR) for permittivity sensing and measurement at microwave frequencies using resonant perturbation technique is being presented. SBR geometry strengthens electric field in the capacitive region by confining greater resonant energy in the split. Enhanced sensitivity by virtue of potent electric field enabled us to sense and measure permittivity of...
Nowadays, acoustic technology Is used In many sectors of human life. One of acoustic benefit is to know mechanical property of material, such kind of liquid and solid. One of mechanical property is acoustic impedance. Several methods are used to estimate acoustic impedance of material. Most of them use high focused ultrasound transducer, and utilize pure water as a common coupling material. However,...
Waste or contaminated polyolefins were disposed through microwave assisted pyrolysis (MAP) using tires or carbonaceous char as microwave (MW) absorber. High density polyethylene (HDPE) was converted into waxy products when standard heating was employed. However HDPE was converted into a low viscosity fraction by using a very low MW power, but a not completed conversion was achieved while PP was always...
The liquid properties such as buoyancy, pressure at a depth, relative electrical permittivity, electrical conductivity, thermal conductivity, absorption of radiation, liquid surface reflection of sound or light waves, are used to design the different types of liquid level transducers for liquid level measurement in any process industry. The contact-type level-sensing transducers have the disadvantage...
Application of flexural mechanical resonators such as tuning forks, benders, etc. to liquid characterization is described. Additional complex impedance produced by a liquid environment to such resonators is considered. It is shown experimentally, that this additional impedance can be represented by the sum of two terms: one that is proportional to liquid density and a second one that is proportional...
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