Abstract
This article displays a general overview about the measurements of acoustical properties (speed of sound and attenuation) for both the fluids and solid materials via dealing with A-scan or A-mode GAMPT mbH ultrasound technique (ultrasound transmission and reception). In addition, measuring the thickness of protective layer of the probe and its influence on the speed of sound and attenuation of fluids and solids materials by applying the Pulse Echo ultrasound speed method and its formula. However, this method used to measure the distilled water and Doppler dummy fluid as a liquid items and acrylic plate with different sizes as solid materials. The outcomes resulted from the study were the speed of sound and attenuation measurements of both the fluids and solid materials via dealing with A-scan GAMPT mbH ultrasound technique were suitable. Furthermore, the protective layer thickness of the probe was influenced on the speed of sound measurements. So, we can remove the influence of inaccuracy by knowing the protective layer thickness and this way can increase the precise in ultrasonic speed.
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