Imperial College London

ProfessorMichaelLowe

Faculty of EngineeringDepartment of Mechanical Engineering

Head of Department of Mechanical Engineering
 
 
 
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Contact

 

+44 (0)20 7594 7000m.lowe Website

 
 
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Assistant

 

Ms Nina Hancock +44 (0)20 7594 7068

 
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Location

 

577DCity and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

294 results found

Pettit JR, Walker A, Cawley P, Lowe MJSet al., 2014, A Stiffness Reduction Method for efficient absorption of waves at boundaries for use in commercial Finite Element codes, ULTRASONICS, Vol: 54, Pages: 1868-1879, ISSN: 0041-624X

Journal article

Lan B, Lowe M, Dunne FPE, 2014, Experimental and computational studies of ultrasound wave propagation in hexagonal close-packed polycrystals for texture detection, ACTA MATERIALIA, Vol: 63, Pages: 107-122, ISSN: 1359-6454

Journal article

Pettit JR, Walker A, Lowe MJS, 2014, Improved Detection of Rough Defects for Ultrasonic NDE Inspections Based on Finite Element Modeling of Elastic Wave Scattering, 10th International Conference on Barkhausen and Micro-Magnetics (ICBM), Publisher: AMER INST PHYSICS, Pages: 521-528, ISSN: 0094-243X

Conference paper

Pettit JR, Walker A, Lowe MJS, 2014, A Stiffness Reduction Method for Efficient Modelling of Waves in Unbound Media Using Commercially Available Finite Elements Packages, 10th International Conference on Barkhausen and Micro-Magnetics (ICBM), Publisher: AMER INST PHYSICS, Pages: 579-586, ISSN: 0094-243X

Conference paper

Leinov E, Cawley P, Lowe MJS, 2014, Investigation of Guided Waves Propagation in Pipe Buried in Sand, 10th International Conference on Barkhausen and Micro-Magnetics (ICBM), Publisher: AMER INST PHYSICS, Pages: 271-278, ISSN: 0094-243X

Conference paper

Fan Z, Lowe M, 2014, Array Imaging of Austenitic Welds by Measuring Weld Material Map, 10th International Conference on Barkhausen and Micro-Magnetics (ICBM), Publisher: AMER INST PHYSICS, Pages: 941-947, ISSN: 0094-243X

Conference paper

Choi W, Skelton EA, Shi F, Lowe MJS, Craster RVet al., 2014, Rough Surface Reconstruction for Ultrasonic NDE Simulation, 10th International Conference on Barkhausen and Micro-Magnetics (ICBM), Publisher: AMER INST PHYSICS, Pages: 587-594, ISSN: 0094-243X

Conference paper

Huthwaite P, Ribichini R, Lowe MJS, Cawley Pet al., 2014, Lamb Mode Selection for Accurate Wall Loss Estimation via Guided Wave Tomography, 10th International Conference on Barkhausen and Micro-Magnetics (ICBM), Publisher: AMER INST PHYSICS, Pages: 193-200, ISSN: 0094-243X

Conference paper

Seher M, Huthwaite P, Lowe M, Nagy P, Cawley Pet al., 2014, Numerical Design Optimization of an EMAT for A0 Lamb Wave Generation in Steel Plates, 10th International Conference on Barkhausen and Micro-Magnetics (ICBM), Publisher: AMER INST PHYSICS, Pages: 340-347, ISSN: 0094-243X

Conference paper

Huthwaite P, Lowe MJS, 2014, High Speed Finite Element Simulations on the Graphics Card, 10th International Conference on Barkhausen and Micro-Magnetics (ICBM), Publisher: AMER INST PHYSICS, Pages: 2007-2014, ISSN: 0094-243X

Conference paper

Van Pamel A, Lowe MJS, Brett CR, 2014, Evaluation of Ultrasonic Array Imaging Algorithms for Inspection of a Coarse Grained Material, 10th International Conference on Barkhausen and Micro-Magnetics (ICBM), Publisher: AMER INST PHYSICS, Pages: 156-163, ISSN: 0094-243X

Conference paper

Cegla FB, Huthwaite PE, Lowe MJ, 2013, Inspection vs structural health monitoring: Manual ultrasonic thickness measurements compared to monitoring with permanently installed sensors., J Acoust Soc Am, Vol: 134

Corrosion is a major issue in industry and inspection and monitoring for wall thickness loss are important to assess the structural integrity of pipework and process vessels. Manual ultrasonic thickness measurements are widely used; however, they are also notoriously unreliable because of operator errors. Therefore, automated inspection scans and monitoring at fixed locations with permanently installed sensors are becoming more attractive; they help to remove some of the error introduced by operators. However, this raises the question of what the underlying uncertainties of automated ultrasonic wall thickness measurements are. A key contributor to the uncertainty is the surface roughness condition and the authors have been researching this topic for some time. This talk will give an overview of the physics of scattering of ultrasonic waves from rough corroded surfaces. The different scales of roughness will be discussed, and a simulation technique based on the Distributed Point Source Method (DPSM) to model the scattering and its experimental validation will be presented. The need for statistical results makes both the speed and accuracy of the simulation very important. Finally, based on the simulations, results of the estimated ultrasonic measurement errors due to roughness are presented.

Journal article

Duxbury D, Russell J, Lowe M, 2013, The effect of variation in phased array element performance for Non-Destructive Evaluation (NDE), ULTRASONICS, Vol: 53, Pages: 1065-1078, ISSN: 0041-624X

Journal article

Huthwaite P, Ribichini R, Cawley P, Lowe MJSet al., 2013, Mode Selection for Corrosion Detection in Pipes and Vessels via Guided Wave Tomography, IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, Vol: 60, Pages: 1165-1177, ISSN: 0885-3010

Journal article

Duxbury DJ, Russell JD, Lowe MJS, 2013, Accurate two-dimensional modelling of piezo-composite array transducer elements, NDT & E INTERNATIONAL, Vol: 56, Pages: 17-27, ISSN: 0963-8695

Journal article

Wagner R, Goncalves O, Demma A, Lowe Met al., 2013, Guided wave testing performance studies: comparison with ultrasonic and magnetic flux leakage pigs, INSIGHT, Vol: 55, Pages: 187-196, ISSN: 1354-2575

Journal article

Fan Z, Castaings M, Lowe MJS, Biateau C, Fromme Pet al., 2013, Feature-guided waves for monitoring adhesive shear modulus in bonded stiffeners, NDT & E INTERNATIONAL, Vol: 54, Pages: 96-102, ISSN: 0963-8695

Journal article

Lhémery A, Saffari N, Lowe M, 2013, Preface, Journal of Physics: Conference Series, Vol: 457, ISSN: 1742-6588

Journal article

Fan Z, Lowe MJS, 2013, CHARACTERIZATION OF INHOMOGENEOUS AND ANISOTROPIC STEEL WELDS BY ULTRASONIC ARRAY MEASUREMENTS, 39th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE), Publisher: AMER INST PHYSICS, Pages: 849-856, ISSN: 0094-243X

Conference paper

Huthwaite P, Simonetti F, Lowe MJS, 2013, ULTRASONIC QUANTITATIVE IMAGING WITH LIMITED VIEW ARRAYS, 39th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE), Publisher: AMER INST PHYSICS, Pages: 714-721, ISSN: 0094-243X

Conference paper

Choi W, Skelton E, Lowe MJS, Craster Ret al., 2013, UNIT CELL FINITE ELEMENT MODELLING FOR ULTRASONIC SCATTERING FROM PERIODIC SURFACES, 39th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE), Publisher: AMER INST PHYSICS, Pages: 83-90, ISSN: 0094-243X

Conference paper

Huthwaite P, Simonetti F, Lowe MJS, 2013, Ultrasonic quantitative imaging with limited view arrays, Pages: 714-721, ISSN: 0094-243X

© 2013 American Institute of Physics. Quantitative imaging has potential to improve the reliability of damage detection over traditional reflection imaging. However, it is particularly prone to severe artefacts when only a limited aperture is used to measure data. We have introduced VISCIT, the virtual image space component iterative technique, to address this, providing significantly more accurate velocity map reconstructions from both numerical and experimental data.

Conference paper

Huthwaite P, Ribichini R, Simonetti F, Cawley P, Lowe MJSet al., 2013, HIGH RESOLUTION GUIDED WAVE TOMOGRAPHY, 39th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE), Publisher: AMER INST PHYSICS, Pages: 729-736, ISSN: 0094-243X

Conference paper

Lowe MJ, Cawley P, Galvagni A, 2012, Monitoring of corrosion in pipelines using guided waves and permanently installed transducers., J Acoust Soc Am, Vol: 132

Guided Wave Testing (GWT) of pipelines for the detection of corrosion has been developed over about 20 years and is now a well established method worldwide, used mostly in the oil and gas industry. The established approach is as a screening tool: GWT is used to detect the presence of significant reflectors which are then examined locally in detail using conventional methods of NDE. To date most of the equipment has been developed for deployment solely at the time of test. However recent developments include permanently-attached transducers which can be left in place after testing, for example to allow easier access for future testing at difficult locations such as buried pipes. This is enabling a new approach, in which improved sensitivity may be achieved by detecting changes with respect to earlier reference signals, and also continuous monitoring which may follow degradation during service. The presentation will include a summary of the GWT method and discussion of current research for monitoring.

Journal article

Jones RE, Simonetti F, Lowe MJS, Bradley IPet al., 2012, The Effect of Bends on the Long-Range Microwave Inspection of Thermally Insulated Pipelines for the Detection of Water, JOURNAL OF NONDESTRUCTIVE EVALUATION, Vol: 31, Pages: 117-127, ISSN: 0195-9298

Journal article

Fan Z, Lowe MJS, 2012, Interaction of weld-guided waves with defects, NDT & E INTERNATIONAL, Vol: 47, Pages: 124-133, ISSN: 0963-8695

Journal article

Fletcher S, Lowe MJS, Ratassepp M, Brett Cet al., 2012, Detection of Axial Cracks in Pipes Using Focused Guided Waves, JOURNAL OF NONDESTRUCTIVE EVALUATION, Vol: 31, Pages: 56-64, ISSN: 0195-9298

Journal article

Jones RE, Simonetti F, Lowe MJS, Bradley IPet al., 2012, USE OF MICROWAVES FOR THE DETECTION OF CORROSION UNDER INSULATION: THE EFFECT OF BENDS, 38th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE), Publisher: AMER INST PHYSICS, Pages: 1665-1672, ISSN: 0094-243X

Conference paper

Fan Z, Lowe MJS, 2012, INVESTIGATION OF ULTRASONIC ARRAY MEASUREMENTS TO REFINE WELD MAPS OF AUSTENITIC STEEL WELDS, 38th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE), Publisher: AMER INST PHYSICS, Pages: 873-880, ISSN: 0094-243X

Conference paper

Choi W, Skelton E, Lowe MJS, Craster R, Rajagopal Pet al., 2012, GENERIC HYBRID MODELS FOR THREE-DIMENSIONAL ULTRASONIC NDE, 38th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE), Publisher: AMER INST PHYSICS, Pages: 126-133, ISSN: 0094-243X

Conference paper

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