Fast ultrasonic imaging in a liquid filled pipe

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Description

A new method is described for the imaging of the interior of a liquid filled metallic pipe using acoustical techniques. The experimental system incorporates an array of 20 acoustical transducers and is capable of capturing the images of moving bubbles at a frame rate in excess of 300/s. The transducers are mounted circumferentially around the pipe. Each transducer is pulsed in sequence, and the echoes reflected from vapor bubbles in the interior are detected, digitized and processed by a computer to generate an image. The high rate of speed was achieved by the use of newly developed software and electronic ... continued below

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Pages: 11

Creation Information

Kolbe, W.F.; Turko, B.T. & Leskovar, B. October 1, 1985.

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Description

A new method is described for the imaging of the interior of a liquid filled metallic pipe using acoustical techniques. The experimental system incorporates an array of 20 acoustical transducers and is capable of capturing the images of moving bubbles at a frame rate in excess of 300/s. The transducers are mounted circumferentially around the pipe. Each transducer is pulsed in sequence, and the echoes reflected from vapor bubbles in the interior are detected, digitized and processed by a computer to generate an image. The high rate of speed was achieved by the use of newly developed software and electronic circuitry. This approach has eliminated most of the spurious echo signals which degraded the performance of previous imaging systems. The capability of the method is illustrated by imaging actual vapor bubbles in rapid sequence in the pipe. 13 refs.

Physical Description

Pages: 11

Notes

NTIS, PC A02/MF A01.

Source

  • IEEE nuclear science symposium, San Francisco, CA, USA, 23 Oct 1985

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  • Other: DE86004100
  • Report No.: LBL-19207
  • Report No.: CONF-851009-33
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 6049002
  • Archival Resource Key: ark:/67531/metadc1100143

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • October 1, 1985

Added to The UNT Digital Library

  • Feb. 18, 2018, 3:59 p.m.

Description Last Updated

  • April 25, 2018, 5:34 p.m.

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Kolbe, W.F.; Turko, B.T. & Leskovar, B. Fast ultrasonic imaging in a liquid filled pipe, article, October 1, 1985; [Berkeley,] California. (digital.library.unt.edu/ark:/67531/metadc1100143/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.