METHOD AND DEVICE FOR ULTRASONIC LEAK LOCATION Russian patent published in 1999 - IPC

Abstract RU 2124721 C1

FIELD: measurement technology. SUBSTANCE: levels of sound caused by leak are measured at various points of measurement section for ultrasonic test of leak location. Specific subsections with common damping are determined over measurement section. For location of leak there is used band diagram of sound levels in which each line is plotted within limits of subsection whose length is determined by product of length and damping of corresponding subsection. Its coordinate is found by multiplication of distance from start of specific subsection to corresponding measurement point by damping factor. Location of leak is found by division of coordinate value of crossing point of straight lines drawn through finishing points of lines on diagram of sound levels into damping factor of corresponding specific subsection. EFFECT: increased accuracy of leak location. 4 cl, 2 dwg

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RU 2 124 721 C1

Authors

Ul'Rikh Kuntse

Val'Ter Knoblakh

Gjunter Shul'Tse

Dates

1999-01-10Published

1993-08-17Filed