Výsledky vyhledávání - "Bloom, J.G.P."

Phased arrays: inline flow line hub inspection using phased arrays

Autor: Bloom, J.G.P., Chougrani, K., Rundberg, H., Oldenziel, G., Deleye, X., Martina, Q.

Publikováno v: Materials Evaluation, 5, 69, 547-552

The feasibility of the inspection of flow line hubs using the phased array technique was investigated to determine the surface area of the seal area degraded by corrosion. A clean model of the hub was simulated to gain insight into the geometrical ec

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Quick scan of the economical, technological and environmental aspects of biomass value chains

Autor: Kimball, E., Urbanus, J., Bloom, J.G.P.

This report presents the results of the AERTOs project, an ERA-NET project of seven RTOs in Europe: Fraunhofer, CEA, SINTEF, SP, TNO, Tecnalia and VTT. The objective is to identify, design and implement “joint, long-term, sustainable cooperation ac

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Multi-skip tomographic inversion

Autor: Volker, A.W.F., Bloom, J.G.P., Lorenz, M.

Publikováno v: 37th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2010, 18-23 July 2010, San Diego, CA, USA, 1335, 647-654

Inspection of corrosion at pipe support locations is difficult because of accessibility limitations. Recently a screening technique has been developed called Multi-Skip ultrasonics. The method utilizes a pitch-catch set-up. Shear waves are transmitte

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Guided wave travel time tomography for bends

Autor: Volker, A.W.F., Bloom, J.G.P.

Publikováno v: 37th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2010, 18-23 July 2010, San Diego, CA, USA, 1335, 223-230

The concept of predictive maintenance using permanent sensors that monitor the integrity of an installation is an interesting addition to the current method of periodic inspections. Guided wave tomography has been developed to map the wall thickness

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Experimental results of guided wave travel time tomography

Autor: Volker, A.W.F., Bloom, J.G.P.

Publikováno v: 37th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2010, 18-23 July 2010, San Diego, CA, USA, 1335, 215-222

Corrosion is one of the industries major issues regarding the integrity of assets. Currently inspections are conducted at regular intervals to ensure a sufficient integrity level of these assets. Cost reduction while maintaining a high level of relia

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POD generator project: a numerical assessment of the inspection of fatigue cracks using TOFD

Autor: Bloom, J.G.P., Stelwagen, U., Mast, A., Volker, A.W.F.

Publikováno v: 36th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2009, 26-31 July 2009, Kingston, RI, USA, 1211, 1911-1918

Risk based inspection strategies rely on detailed knowledge of the performance of inspection techniques. The objective of the "POD generator" project is to develop a numerical modeling approach to assess the effectiveness of specific inspection techn

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Obtaining thickness profiles from the tomographic inversion of guided wave data

Autor: Bloom, J.G.P., Luiten, E.A., Volker, A.W.F.

Publikováno v: Review of Progress in Quantitative Nondestructive Evaluation, 20-25 July, 2008, Chicago, IL, USA, 1096, 727-734

Guided wave tomography is a promising technique for the monitoring of corrosion over large areas. Guided waves have a wave speed mat depends in certain frequency-thickness regimes on the local thickness of the waveguide they follow. Therefore, the tr

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Opportunities for permanent corrosion monitoring of pipelines using guided wave tomography

Autor: Bloom, J.G.P., Heerens, G.J., Volker, A.W.F., Mast, A.

Publikováno v: 2009 ASME Pressure Vessels and Piping Conference, PVP 2009, 26-30 July 2009, Prague, Czechoslovakia, 225-230

Corrosion and erosion are two major degradation mechanisms of piping systems and pipelines that both lead to wall thickness loss. To ensure sufficient integrity levels of these assets NDE is currently conducted at time based intervals often associate

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POD generator project, development of numerical modeling tools for quantitative assessment of the performance of non-destructive inspection techniques

Autor: Bloom, J.G.P., Stelwagen, U., Mast, A., Volker, A.W.F., Krom, A.H.M., Mohamoud, A.A., Gils, G.P. van

Publikováno v: Review of Progress in Quantitative Nondestructive Evaluation, 20-25 July 2008, Chicago, IL, USA, 1096, 1816-1823

Risk based inspection strategies rely on detailed knowledge of the performance of inspection techniques. It is well known that every inspection technique has limitations in terms of reliability and effectiveness. Moreover, these are influenced by man

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The application of guided wave travel time tomography to bends

Autor: Volker, A.W.F., Luiten, E.G., Bloom, J.G.P.

Publikováno v: 36th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2009, 26-31 July 2009, Kingston, RI, USA, 1211, 774-781

The concept of predictive maintenance using permanent sensors that monitor the integrity of an installation is an interesting addition to the current method of periodic inspections. The method should be capable of providing quantitative wall thicknes

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