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Title: Ultrasonic fluid densitometer having liquid/wedge and gas/wedge interfaces

Patent ·
OSTI ID:20080532

The present invention is an ultrasonic liquid densitometer that uses a material wedge having two sections, one with a liquid/wedge interface and another with a gas/wedge interface. It is preferred that the wedge have an acoustic impedance that is near the acoustic impedance of the liquid, specifically less than a factor of 11 greater than the acoustic impedance of the liquid. Ultrasonic signals are internally reflected within the material wedge. Density of a liquid is determined by immersing the wedge into the liquid and measuring reflections of ultrasound at the liquid/wedge interface and at the gas/wedge interface.

Sponsoring Organization:
USDOE
DOE Contract Number:
AC06-76RL01830
OSTI ID:
20080532
Resource Relation:
Other Information: PBD: 4 Jul 2000
Country of Publication:
United States
Language:
English

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