Natural focusing for the detection of defects beyond elbows

Joseph L. Rose; Michael J. Avioli; Peter J. Mudge

doi:10.1115/PVP2003-1845

Natural focusing for the detection of defects beyond elbows

Joseph L. Rose, Michael J. Avioli, Peter J. Mudge

Research output: Contribution to journal › Conference article › peer-review

Abstract

Long range ultrasonic guided wave inspection is advancing rapidly and is commonplace today. Benefits of using longitudinal or torsional modes are being established in special circumstances of improved sensitivity, resolution, or penetration power. The possibility of inspection under insulation, coatings, or with water filled pipes or around elbows is possible. Detection of defects beyond a pipe elbow is difficult for axisymmetric wave impingement onto the elbow. For non-axisymmetric input to the elbow region, however, via partial loading around the circumference, allows natural focusing to occur because of angular profile variation around the circumference of the pipe. An experiment is reported here to demonstrate this process.

Original language	English (US)
Pages (from-to)	1-5
Number of pages	5
Journal	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume	456
DOIs	https://doi.org/10.1115/PVP2003-1845
State	Published - 2003
Event	2003 ASME Pressure Vessels and Piping Conference - Cleveland, OH, United States Duration: Jul 20 2003 → Jul 24 2003

All Science Journal Classification (ASJC) codes

Mechanical Engineering

Access to Document

10.1115/PVP2003-1845

Cite this

@article{ae2b6b9ace0c42bb98c051fb7a016f0f,

title = "Natural focusing for the detection of defects beyond elbows",

abstract = "Long range ultrasonic guided wave inspection is advancing rapidly and is commonplace today. Benefits of using longitudinal or torsional modes are being established in special circumstances of improved sensitivity, resolution, or penetration power. The possibility of inspection under insulation, coatings, or with water filled pipes or around elbows is possible. Detection of defects beyond a pipe elbow is difficult for axisymmetric wave impingement onto the elbow. For non-axisymmetric input to the elbow region, however, via partial loading around the circumference, allows natural focusing to occur because of angular profile variation around the circumference of the pipe. An experiment is reported here to demonstrate this process.",

author = "Rose, {Joseph L.} and Avioli, {Michael J.} and Mudge, {Peter J.}",

year = "2003",

doi = "10.1115/PVP2003-1845",

language = "English (US)",

volume = "456",

pages = "1--5",

journal = "American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP",

issn = "0277-027X",

publisher = "American Society of Mechanical Engineers (ASME)",

note = "2003 ASME Pressure Vessels and Piping Conference ; Conference date: 20-07-2003 Through 24-07-2003",

}

TY - JOUR

T1 - Natural focusing for the detection of defects beyond elbows

AU - Rose, Joseph L.

AU - Avioli, Michael J.

AU - Mudge, Peter J.

PY - 2003

Y1 - 2003

N2 - Long range ultrasonic guided wave inspection is advancing rapidly and is commonplace today. Benefits of using longitudinal or torsional modes are being established in special circumstances of improved sensitivity, resolution, or penetration power. The possibility of inspection under insulation, coatings, or with water filled pipes or around elbows is possible. Detection of defects beyond a pipe elbow is difficult for axisymmetric wave impingement onto the elbow. For non-axisymmetric input to the elbow region, however, via partial loading around the circumference, allows natural focusing to occur because of angular profile variation around the circumference of the pipe. An experiment is reported here to demonstrate this process.

AB - Long range ultrasonic guided wave inspection is advancing rapidly and is commonplace today. Benefits of using longitudinal or torsional modes are being established in special circumstances of improved sensitivity, resolution, or penetration power. The possibility of inspection under insulation, coatings, or with water filled pipes or around elbows is possible. Detection of defects beyond a pipe elbow is difficult for axisymmetric wave impingement onto the elbow. For non-axisymmetric input to the elbow region, however, via partial loading around the circumference, allows natural focusing to occur because of angular profile variation around the circumference of the pipe. An experiment is reported here to demonstrate this process.

UR - http://www.scopus.com/inward/record.url?scp=0242551354&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0242551354&partnerID=8YFLogxK

U2 - 10.1115/PVP2003-1845

DO - 10.1115/PVP2003-1845

M3 - Conference article

AN - SCOPUS:0242551354

SN - 0277-027X

VL - 456

SP - 1

EP - 5

JO - American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP

JF - American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP

T2 - 2003 ASME Pressure Vessels and Piping Conference

Y2 - 20 July 2003 through 24 July 2003

ER -

Natural focusing for the detection of defects beyond elbows

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this