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METHOD FOR MEASURING THE DENSITY AND VELOCITY OF SOUND OF A LIQUID FROM TWO REFLECTIONS OF ULTRASOUND AT A SOLID-LIQUID INTERFACE
METHOD FOR MEASURING THE DENSITY AND VELOCITY OF SOUND OF A LIQUID FROM TWO REFLECTIONS OF ULTRASOUND AT A SOLID-LIQUID INTERFACE
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机译:从固液界面的两次超声反射测量液体的密度和速度的方法
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摘要
A method for determining a velocity and density of a fluid without requiring the transmission of ultrasound through the fluid, and a system for performing such a method. The method involves the steps of delivering, receiving and analyzing ultrasound pulses sent from a longitudinal and a shear wave transducers to a member that is in contact with a fluid. The ultrasound pulses reflecting between surfaces provide a first ultrasound pulse echo series, that is transmitted, received and processed. The shear wave ultrasound pulses are also delivered through a shear wave transducer at a predesignated angle relative to the interface of the member and the fluid and the results of this are received to obtain a second ultrasound pulse echo series. Reflection coefficients for the first and second ultrasound pulse echo series are then calculated and the density of the fluid and the velocity of sound in the fluids are extracted.
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