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Saturday, July 18, 2020 | History

2 edition of Computer programs for eddy-current defect studies found in the catalog.

Computer programs for eddy-current defect studies

J. R. Pate

Computer programs for eddy-current defect studies

by J. R. Pate

  • 82 Want to read
  • 39 Currently reading

Published by Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission in Washington, DC .
Written in English

    Subjects:
  • Eddy currents (Electric) -- Computer programs.

  • Edition Notes

    Other titlesComputer programs for eddy current defect studies.
    Statementprepared by J.R. Pate, C.V. Dodd.
    ContributionsDodd, C. V., U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering., Oak Ridge National Laboratory.
    The Physical Object
    Paginationiv, 250 p. :
    Number of Pages250
    ID Numbers
    Open LibraryOL15378272M

    In eddy current testing the most widely recognized model for axisymmetric problems is that of Dodd [3,4]. The eddy current probe is a circular air-cored coil wound with a rectangular cross-section. The conductor can have any number of layers and the geometries studied fall into two major categories: planar and coaxial cylindrical layers. Eddy current testing can be a powerful tool in a power plant’s maintenance program. Every year in the U.S. there are an estimated 7, plant outages attributed to tube failures, and such.

    It can detect surface-breaking, near-surface, and far-surface defects. ECT probes don’t need to be in contact with the part under inspection. Eddy current testing can be used in applications other than flaw detection. Parts under test require only minimal preparation. The eddy current density, and thus the strength of the response from a flaw, is greatest on the surface of the metal being tested and declines with depth. It is mathematically convenient to define the “standard depth of penetration” where the eddy current is 1/e (37%) of its surface value. The standard depth of penetration in mm is given by theFile Size: KB.

    Eddy current testing (ECT) detects flaws on a surface level and subsurface level, but it takes the right instruments to procure truly reliable data. Eddy current instruments can pinpoint underlying defects that would have gone unnoticed with other nondestructive testing (NDT) methods, including minuscule stress points that are harder to read. Practical Eddy Current Testing Indian Society for Non-destructive Testing-national Certification Board Series National Certification Board series: Author: B. P. C. Rao: Contributor: Indian Society for Non-Destructive Testing: Edition: illustrated: Publisher: Alpha Science International Limited, Original from: the University of Michigan.


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Computer programs for eddy-current defect studies by J. R. Pate Download PDF EPUB FB2

Several computer programs to aid in the design of eddy-current tests and probes have been written. The programs, written in Fortran, deal in various ways with the response to defects exhibited by four types of probes: the pancake probe, the reflection probe, the circumferential boreside probe, and the circumferential encircling probe.

Get this from a library. Computer programs for eddy-current defect studies. [J R Pate; C V Dodd; U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering.; Oak Ridge National Laboratory.]. Download: Eddy Current Similar searches: Eddy Current Testing Eddy Current Testing Companies Eddy Current Testing Equipment Manufacturers In Germany Eddy Current Eddy Current Equipment Testing Computer Software – The Best Selling Testing Book Of All Time 2e Eddy Eddy Os Metcaf & Eddy Metcalf And Eddy Paul Eddy Metcalf Et Eddy Metcalf And Eddy Pdf Das Ende Von.

The U.S. Department of Energy's Office of Scientific and Technical Information. Subsurface Defects Evaluation using Eddy Current Testing Article (PDF Available) in Indian Journal of Science and Technology 9(9) March with 4, Reads How we measure 'reads'.

permits to test eddy current inspection method for new tasks. Key words: All-digital eddy current instrument, plug and play, reference pieces, automatic reporting, simulation tool).

Introduction Teaching of theoretical and practical basics of eddy current inspection is difficult due to the missing clearness of the method. Abstract: Eddy current testing (ECT) is one of the non-destructive evaluation techniques widely used, especially in oil and gas industries. It characterized noisy data to the less-than-perfect detection and as an indication of serious false alarm by: 5.

Computer Applications book. Read 44 reviews from the world's largest community for readers. Physical Condition: No Defects/5. Eddy current (EC) nondestructive evaluation (NDE) techniques are currently the primary method for inservice inspection (ISI) of steam generator (SG) tubing.

EC inspection is routinely carried out with bobbin coil probes that offer higher inspection speed compared to most other NDE by: 7. Defect detection and evaluation using a computer controlled pulsed eddy current test equipment: Proceedings of the 12th world conference on non-destructive testing, Amsterdam (Netherlands) 23–28 Apr.Vol.

1, pp. –   In addition to the various Eddy current probe designs, Todorov optimized and designed two encircling Eddy current magnetic sensors with uniform field. Tian et al. [ 24 ] focused on the signal extraction and classification from mixed RFECT signals of signal processing and defects using a neural network and a by: Eddy current testing (ECT) is one of the non-destructive evaluation techniques widely used, especially in oil and gas industries.

It characterized noisy data to the less-than-perfect detection and as an indication of serious false alarm problem. However, not many researchers have described in detail the intelligent ECT crack detection by: 5.

Artificial neural network modelling has been used to process the eddy current data for evaluating the defect depth so that on-line eddy current testing is possible in austenitic stainless steel welds. Eddy Current Training Books & CDs. Products.

Next. More Details. PH Diversified Classroom Training Books. Eclipse Scientific Eddy Current Testing Technology - 1st Edition Book. Next. Categories. Category Navigation: COVID RESPONSE Tech Support; NDT Training. Schwalbe Eddy Current Rear Addix-Soft, SuperGravity, Tubeless Folding HS MTN Bike Tire.

Classroom Training Book: Eddy Current Testing, NASA/General Dynamics Series, Cox, tech. ed., PH Diversified, Inc., Concord, NC, (Revised ). Partial support for this work was provided by the NSF-ATE (Advanced Technological Education) program through grant #DUE Opinions expressed are those of the authors and not necessarily those.

Softcover. Condition: New. 5th or later edition. Practical Eddy Current Testing covers the principles, procedures, techniques and applications of one of the widely used NDT techniques i.e. eddy current testing. The book has been designed to serve as a practical guide for the beginners with science or engineering background.

EDDY CURRENT ARRAYS FOR DEFECT DETECTION D.C. Hurley, K.H. Hedengren, and J.D. Young General Electric Corporate Research & Development P.O. Box 8 Schenectady, NY INTRODUCTION What was originally an inspection technique for large­ scale defects has become an increasingly miniaturized method.

The eddy current is created once the coil is brought into close proximity to the object being tested. If the eddy current flow is interrupted, that means the instrument has detected cracking, pitting or corrosion.

According to Olympus, a manufacturer of eddy current instruments, defects alter the pattern of the eddy current. The instrument then Author: Domenico Bellistri. Search the world's most comprehensive index of full-text books.

My library. In following study there were developed the software, visualising tools for eddy current measurements and eddy current sensors for detection of unwanted defects.

The eddy current equipment was manufactured by the IZFP and the visualizing software in active co-operation with Posiva and IZFP during the inspections.Ultra-Fast System for Eddy Current Testing of Condensers: By using push / puller mechanical equipment, probe insertion and extraction speeds can be increased remarkably, with inspection testing being carried out at a rate of 5 to 8 tubes per minute, thus reaching a productivity level of over 3, tubes per 10 to hour rmore, the results can be analysed immediately, thus reducing.Software Engineering Best Practices explains how to effectively plan, size, schedule, and manage software projects of all types, using solid engineering procedures.

It details proven methods, from initial requirements through 20 years of maintenance/5(11).