Ultrasonic guided wave flexural mode tuning for limited access pipe inspection

Rose, Joseph L.; Li, Jian; Zhao, Xiaoliang; Quarry, M J

doi:10.1063/1.1373755

Cited by 12 publications

(8 citation statements)

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“…Penn State modeled this problem and showed that maximizing the loading angle and tuning frequency will minimize the effects of a nonaxisymmetric distribution and ensure that the full circumference of the tube will have sufficient energy to detect flaws at any circumferential location on the tube [2,3]. Therefore, a probe on the coldside can detect flaws on the fireside [4]. The study modeled the circumferential loading angle, loading length, and frequency and their effect on mode propagation and energy distribution of the mode throughout the tube.…”

Section: Sensor and System Developmentmentioning

confidence: 99%

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Final Report: Guided Acoustic Wave Monitoring of Corrosion in Recovery Boiler Tubing

Chinn

Quarry²,

Rose³

2005

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Corrosion of tubing used in black-liquor recovery boilers is a major concern in all pulp and paper mills. Extensive corrosion in recovery boiler tubes can result in a significant safety and environmental hazard. Considerable plant resources are expended to inspect recovery boiler tubing. Currently, visual and ultrasonic inspections are primarily used during the annual maintenance shutdown to monitor corrosion rates and cracking of tubing. This Department of Energy, Office of Industrial Technologies project is developing guided acoustic waves for use on recovery boiler tubing. The feature of this acoustic technique is its cost-effectiveness in inspecting long lengths of tubes from a single inspection point. A piezoelectric or electromagnetic transducer induces guided waves into the tubes. The transducer detects fireside defects from the cold side or fireside of the tube. Cracking and thinning on recovery boiler tubes have been detected with this technique in both laboratory and field applications. This technique appears very promising for recovery boiler tube application, potentially expediting annual inspection of tube integrity.

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Section: Sensor and System Developmentmentioning

confidence: 99%

“…The study modeled the circumferential loading angle, loading length, and frequency and their effect on mode propagation and energy distribution of the mode throughout the tube. Rigorous mathematical description and analysis can also be found in [2,3,4].…”

Section: Sensor and System Developmentmentioning

confidence: 99%

Final Report: Guided Acoustic Wave Monitoring of Corrosion in Recovery Boiler Tubing

Chinn

Quarry²,

Rose³

2005

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“…The most significant of these revolve around the ability to control segments of a guided wave producing phased array. (Li & Rose, 2001, 2002Rose, Sun, Mudge, & Avioli, 2003;Sun, Rose, Song, & Hayashi, 2003;Sun, Zhang, & Rose, 2005;Zhang, Rose, & Gavigan, 2004;Zhang, Luo, & Rose, 2005;Zhang, Gavigan, & Rose, 2006).…”

Section: Introductionmentioning

confidence: 97%

Next generation guided wave health monitoring for long range inspection of pipes

Rose

Cho

Avioli³

2009

Journal of Loss Prevention in the Process Industries

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“…Such topics as lap joint, tear strap and honeycomb inspection are discussed. A method of focusing ultrasonic guided waves in pipe was introduced by Rose, Sun, Mudge, and Avioli [6] 2003. The phased array focusing approach improves detection sensitivity, axial and lateral resolution and even penetration power.…”

Section: Introductionmentioning

confidence: 99%

A Hybrid Ultrasonic Guided Wave-Fiber Optic System for Flaw Detection in Pipe

et al. 2018

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The work presented in this paper shows that Fiber Bragg Grating (FBG) optical fiber sensors can potentially be used as receivers in a long-range guided wave torsional-mode pipe inspection system. Benefits over the conventional pulse-echo method arise due to reduced total travel distance of the ultrasonic guided wave reflections, since reflections from defects and structural features do not need to propagate a full round trip back to the transmitting collar. This is especially important in pipe configurations with high attenuation, such as coated and buried pipelines. The use of FBGs as receivers instead of conventional piezoelectric or magnetostrictive elements also significantly reduces cabling, since multiple FBG receivers can be placed along a single optical fiber which has a diameter on the order of only around 100 µm. The basic approach and sample results are presented in the paper. Additionally, a brief overview of some topics in ultrasonic guided waves is presented as a background to understand the inspection problem presented here.

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Ultrasonic guided wave flexural mode tuning for limited access pipe inspection

Cited by 12 publications

References 0 publications

Final Report: Guided Acoustic Wave Monitoring of Corrosion in Recovery Boiler Tubing

Final Report: Guided Acoustic Wave Monitoring of Corrosion in Recovery Boiler Tubing

Next generation guided wave health monitoring for long range inspection of pipes

A Hybrid Ultrasonic Guided Wave-Fiber Optic System for Flaw Detection in Pipe

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