Dr. Jeong K. Na Profile

Dr. Jeong K. Na

Chief Engineer at Wyle

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Publications (11)

Proceedings Article | 1 April 2015 Paper

Nonlinear acoustics for practical applications

To Kang, Jeong Na, Sung-Jin Song, Jin-Ho Park

Proceedings Volume 9437, 94370U (2015) https://doi.org/10.1117/12.2084101

KEYWORDS: Signal detection, Transducers, Calibration, Acoustics, Ultrasonics, Crystals, Copper, Bandpass filters, Linear filtering, Sensors

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Proceedings Article | 9 March 2014 Paper

Assessment of weld quality of aerospace grade metals by using ultrasonic matrix phased array technology

Jeong Na, Sean Gleeson

Proceedings Volume 9063, 906304 (2014) https://doi.org/10.1117/12.2044952

KEYWORDS: Ultrasonics, Phased arrays, Aerospace engineering, Resistance, Metals, Nondestructive evaluation, Visualization, Carbon, Aluminum, Titanium

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Proceedings Article | 17 April 2013 Paper

Applications of inter-digitized transducers (IDTs) for structural health monitoring (SHM) of bridge structures

Jeong Na, Sean Gleeson

Proceedings Volume 8695, 869509 (2013) https://doi.org/10.1117/12.2009806

KEYWORDS: Sensors, Bridges, Structural health monitoring, Signal detection, Inspection, Ultrasonics, Wave plates, Transducers, Wave propagation, Wave sensors

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Proceedings Article | 18 April 2011 Paper

Interaction of surface waves induced by IDT sensors with flaws in fiberglass composite panels

Jeong Na, Vijay Nalladega, Carl Druffner

Proceedings Volume 7983, 79830Q (2011) https://doi.org/10.1117/12.881227

KEYWORDS: Sensors, Composites, Glasses, Signal attenuation, Structural health monitoring, Wave propagation, Ferroelectric materials, Ceramics, Crystals, Electrodes

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Proceedings Article | 8 April 2009 Paper

Detection of surface breaking fatigue crack on a complex aircraft structure with Rayleigh surface waves

Jeong Na, James Blackshire, Samuel Kuhr

Proceedings Volume 7295, 72950G (2009) https://doi.org/10.1117/12.815079

KEYWORDS: Sensors, Signal detection, Structural health monitoring, Aircraft structures, Ultrasonics, Wave propagation, Wave sensors, Transducers, Optical inspection, Electrodes

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Proceedings Article | 7 April 2009 Paper

Spatially distributed damage detection in CMC thermal protection materials using thin-film piezoelectric sensors

Samuel Kuhr, James Blackshire, Jeong Na

Proceedings Volume 7293, 72930R (2009) https://doi.org/10.1117/12.815493

KEYWORDS: Sensors, Ferroelectric polymers, Ceramics, Thin films, Composites, Foam, Data acquisition, Aerospace engineering, Damage detection, Error analysis

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Proceedings Article | 29 April 2008 Paper

Detection of impact damage on thermal protection systems using thin-film piezoelectric sensors for integrated structural health monitoring

Jeong Na, Samuel Kuhr, Kumar Jata

Proceedings Volume 6935, 693503 (2008) https://doi.org/10.1117/12.778071

KEYWORDS: Sensors, Ferroelectric polymers, Signal detection, Laser damage threshold, Optical interferometry, Imaging systems, Titanium, Resistance, Structural health monitoring, Digital photography

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Proceedings Article | 10 April 2007 Paper

Investigation of bond quality effects on piezoelectric sensing of impact damage

Jeong Na, James Blackshire

Proceedings Volume 6530, 653012 (2007) https://doi.org/10.1117/12.715234

KEYWORDS: Sensors, Ferroelectric polymers, Epoxies, Signal detection, Adhesives, Piezoelectric effects, Polymers, Aluminum, Aerospace engineering, Structural health monitoring

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Proceedings Article | 10 April 2007 Paper

Disbonding effects on elastic wave generation and reception by bonded piezoelectric sensor systems

James Blackshire, Steven Martin, Jeong Na

Proceedings Volume 6530, 65300L (2007) https://doi.org/10.1117/12.715760

KEYWORDS: Sensors, Finite element methods, Image sensors, Structural health monitoring, Adhesives, Sensor performance, Ultrasonography, Wave propagation, Vibrometry, Signal detection

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Proceedings Article | 13 May 2000 Paper

Real-time monitoring of acoustic linear and nonlinear behavior of titanium alloys during low-cycle fatigue and high-cycle fatigue

Jerome Frouin, Shamachary Sathish, Jeong Na

Proceedings Volume 3993, (2000) https://doi.org/10.1117/12.385477

KEYWORDS: Acoustics, Ultrasonics, Titanium, Signal detection, Velocity measurements, Transducers, Wave propagation, Software development, Signal attenuation, Aerospace engineering

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Proceedings Article | 8 February 1999 Paper

In-situ monitoring of acoustic linear and nonlinear behavior of titanium alloys during cycling loading

Jerome Frouin, Theodore Matikas, Jeong Na, Shamachary Sathish

Proceedings Volume 3585, (1999) https://doi.org/10.1117/12.339838

KEYWORDS: Acoustics, Transducers, Ultrasonics, Signal attenuation, Wave propagation, Solids, Signal detection, Titanium, Bone, Velocity measurements

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Showing 5 of 11 publications

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