Invention Grant
US07769549B2 Method and device for on-line acoustic monitoring of foam and aerated fluid properties 失效
用于在线声学监测泡沫和充气流体性质的方法和装置

Method and device for on-line acoustic monitoring of foam and aerated fluid properties
Abstract:
A method for on-line acoustic detection of the quality of foams and aerated fluids whereby at least one emitter/receiver pair is placed in a close vicinity to the foam flow. At least one acoustic pulse is emitted and the time within which the acoustic pulse travels from the emitter to the receiver is recorded. Sound speed in the foam is determined by analyzing an acoustic response of the receiver and a pressure in the foam is also measured.
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