FIELD: measurement technology.
SUBSTANCE: present invention relates to the systems and methods for non-invasive measuring of mechanical properties of non-gaseous, free-flowing materials in a vessel and, in particular, for measurement of density and parameters, related to shear resistance of non-gaseous, free-flowing matter. The method for non-invasive simultaneous determination of density and variable, related to shear resistance of non-gaseous free-flowing matter, consists in that it is located in a vessel at a known or constant level. According to the example the method and device use the configurable mathematical model for determination of density and variable, related to shear resistance on the basis of measurements in the system containing fill material, vessel wall and dynamic instrument interacting with the wall.
EFFECT: possibility for expansion of measurement range, improvement of accuracy of measurements and ensuring of greater usability of ultrasonic methods for measuring of physical properties of non-gaseous materials.
28 cl, 15 dwg, 5 tbl
