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Instruments and Systems: Monitoring, Control, and Diagnostics

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Development of device for continuous control of taking away sand and hard including from the mining holes of gases
Bayburin V.B, Spitsin I.L.

New scheme and the principle of work of acoustics analyzer of fractions are presented. They are based on the new method of functioning through two independent frequency channels. Sensor of acoustic emission with piezoceramics on the basis of lithium niobate is used in the capacity of the primary converter of acoustic signal. Analyzer is supplied with piezoelectrical sensor for the system self testing. Experimental results of general characteristics testing of the performed acoustic analyzer, which prove the efficiency of its functioning, are adduced. Key words: acoustic signal, acoustic sensor on the basis of piezoceramics, sand educe control. E-mail: isp-vympel@mail.ru

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