• 103 Citations
  • 5 h-Index
20042019
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Research Output 2004 2019

  • 103 Citations
  • 5 h-Index
  • 23 Article
  • 6 Conference contribution
  • 3 Conference article
2019

Active control of low-frequency noise in bubbly water-filled pipes

Noh, E., Woo, S., Lee, D. J., Song, M. H., Lee, J. W., Lee, H., Ohm, W. S., Jang, H., Lee, K., Park, Y. & Seo, Y., 2019 Jul 1, In : Journal of Mechanical Science and Technology. 33, 7, p. 3127-3135 9 p.

Research output: Contribution to journalArticle

Adaptive filters
Active noise control
Pipe
Water
Hydrophones

Measurements of nonlinearity parameter B/A of water-saturated glass beads under uniaxial compressive loading

Lee, H., Noh, E., Ohm, W. S. & Kwon, O. C., 2019 Jun 1, In : Journal of the Acoustical Society of America. 145, 6, p. EL514-EL520

Research output: Contribution to journalArticle

beads
nonlinearity
glass
water
sediments
2018
1 Citation (Scopus)

Acoustically sticky topographic metasurfaces for underwater sound absorption

Lee, H., Jung, M., Kim, M., Shin, R., Kang, S., Ohm, W. S. & Kim, Y. T., 2018 Mar 1, In : Journal of the Acoustical Society of America. 143, 3, p. 1537-1547 11 p.

Research output: Contribution to journalArticle

underwater acoustics
sound transmission
acoustics
vorticity
entropy

Application of hugonions for efficient computation of shock and detonation waves

Lee, J. W., Ohm, W. S. & Park, J. S., 2018 Jan 1, In : Proceedings of Meetings on Acoustics. 34, 1, 045009.

Research output: Contribution to journalConference article

detonation waves
shock waves
detonation
sod
shock
3 Citations (Scopus)

Control of electromechanical properties of multilayer ceramic capacitors for vibration reduction

Ohm, W. S., Kim, D., Ko, B. H. & Park, N. C., 2018 May, In : Journal of the American Ceramic Society. 101, 5, p. 1982-1990 9 p.

Research output: Contribution to journalArticle

Electrostriction
Ceramic capacitors
Piezoelectricity
ceramics
vibration

Iterative solutions of the array equations for rapid design and analysis of large projector arrays

Noh, E., Lee, H., Chun, W., Ohm, W. S., Been, K., Moon, W., Chang, W. & Yoon, H., 2018 Oct 1, In : Journal of the Acoustical Society of America. 144, 4, p. 2434-2446 13 p.

Research output: Contribution to journalArticle

iterative solution
projectors
matrix methods
transducers
matrices

Single-point characterization of spectral amplitude and phase changes due to nonlinear propagation

Reichman, B., Gee, K. L. & Ohm, W. S., 2018 Jan 1, In : Proceedings of Meetings on Acoustics. 34, 1, 045018.

Research output: Contribution to journalConference article

Open Access
propagation
noise propagation
jet aircraft noise
Burger equation
sound propagation
2017
1 Citation (Scopus)

Development of disposable membrane hydrophones for a frequency range from 1 MHz to 10 MHz

Lee, J. W., Ohm, W. S. & Kim, Y. T., 2017 Nov 1, In : Ultrasonics. 81, p. 50-58 9 p.

Research output: Contribution to journalArticle

hydrophones
frequency ranges
membranes
fabrication
costs
2 Citations (Scopus)

Structural dynamic analysis of a space launch vehicle using an axisymmetric two-dimensional shell element

Sim, J. S., Lee, S. G., Kim, J. B., Shin, S. J., Park, S. S. & Ohm, W. S., 2017 Sep 1, In : International Journal of Aeronautical and Space Sciences. 18, 3, p. 485-497 13 p.

Research output: Contribution to journalArticle

Launch vehicles
Structural dynamics
Modal analysis
Dynamic analysis
Propulsion
2016
2 Citations (Scopus)

Effect of alumina composition and surface integrity in alumina/epoxy composites on the ultrasonic attenuation properties

Cho, E., Park, G., Lee, J. W., Cho, S. M., Kim, T., Kim, J., Choi, W., Ohm, W. S. & Kang, S., 2016 Mar 1, In : Ultrasonics. 66, p. 133-139 7 p.

Research output: Contribution to journalArticle

backups
integrity
aluminum oxides
ultrasonics
attenuation

In defense of the Morfey-Howell single-point nonlinearity indicator: An impedance-based interpretation

Ohm, W. S., Gee, K. L. & Reichman, B. O., 2016 Nov 28, In : Proceedings of Meetings on Acoustics. 29, 1, 045003.

Research output: Contribution to journalConference article

nonlinearity
impedance
Burger equation
propagation
absorptivity
2015

Derivation of the nonlinearity parameter B / A of saturated, unconsolidated marine sediments via a statistical approach

Lee, H., Noh, E., Ohm, W. S. & Kwon, O. C., 2015 Oct 28, Recent Developments in Nonlinear Acoustics: 20th International Symposium on Nonlinear Acoustics including the 2nd International Sonic Boom Forum. Sparrow, V. W., Dragna, D. & Blanc-Benon, P. (eds.). American Institute of Physics Inc., 030001. (AIP Conference Proceedings; vol. 1685).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

sediments
derivation
nonlinearity
fluids
interstitials
1 Citation (Scopus)

Modeling of strongly-nonlinear wave propagation using the extended Rankine-Hugoniot shock relations

Lee, J. W., Ohm, W. S. & Shim, W., 2015 Oct 28, Recent Developments in Nonlinear Acoustics: 20th International Symposium on Nonlinear Acoustics including the 2nd International Sonic Boom Forum. Sparrow, V. W., Dragna, D. & Blanc-Benon, P. (eds.). American Institute of Physics Inc., 070011. (AIP Conference Proceedings; vol. 1685).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

wave propagation
shock
Rankine-Hugoniot relation
Cauchy problem
rarefaction
2011
3 Citations (Scopus)

A method for evaluation of an optical image stabilizer in an image sensor module

Shin, S. C., Ohm, W. S., Kim, S. M. & Kang, S., 2011 Apr 1, In : International Journal of Precision Engineering and Manufacturing. 12, 2, p. 367-370 4 p.

Research output: Contribution to journalArticle

Optical transfer function
Benchmarking
Jitter
Image sensors
4 Citations (Scopus)

Combined effects of saturation pressure and gas desorption on foaming characteristics of microcellular plastics

Seo, J. H., Ohm, W. S., Cho, S. H. & Cha, S. W., 2011 Oct 1, In : Polymer - Plastics Technology and Engineering. 50, 14, p. 1399-1404 6 p.

Research output: Contribution to journalArticle

Desorption
Gases
Plastics
Molecules
10 Citations (Scopus)

Effects of repeated microcellular foaming process on cell morphology and foaming ratio of microcellular plastics

Seo, J. H., Ohm, W. S., Cho, S. H. & Cha, S. W., 2011 Jan 1, In : Polymer - Plastics Technology and Engineering. 50, 6, p. 588-592 5 p.

Research output: Contribution to journalArticle

Plastics
Gases
Pressure vessels
Molecules
Experiments
3 Citations (Scopus)

The effect of gas desorption on foaming ratio of microcellular foamed plastics

Seo, J. H., Ohm, W. S., Cho, S. H. & Cha, S. W., 2011 Jan 1, In : Polymer - Plastics Technology and Engineering. 50, 1, p. 8-14 7 p.

Research output: Contribution to journalArticle

Foamed plastics
Desorption
Gases
Plastics
Plastics industry
5 Citations (Scopus)

Two-dimensional virtual array for ultrasonic nondestructive evaluation using a time-reversal chaotic cavity

Choi, Y., Lee, H., Hong, H. & Ohm, W. S., 2011 Nov 1, In : Journal of the Acoustical Society of America. 130, 5, p. 2720-2727 8 p.

Research output: Contribution to journalArticle

ultrasonics
cavities
evaluation
rods
aluminum
2 Citations (Scopus)

Two-port network model of fluid-loaded saw delay-line sensors

Kim, J., Ohm, W. S. & Park, N. C., 2011 Dec 1, ASME 2011 International Mechanical Engineering Congress and Exposition, IMECE 2011. p. 925-926 2 p. (ASME 2011 International Mechanical Engineering Congress and Exposition, IMECE 2011; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric delay lines
Fluids
Sensors
2010
3 Citations (Scopus)

A mechanism for the oxidation-related influence on the thermoelectric behavior of palladium

Ohm, W. S. & Hill, K. D., 2010 Sep 1, In : International Journal of Thermophysics. 31, 8-9, p. 1402-1416 15 p.

Research output: Contribution to journalArticle

thermocouples
palladium
oxidation
Seebeck effect
temperature measurement
2 Citations (Scopus)
Bubble
Acoustics
bubbles
acoustics
Cell
26 Citations (Scopus)
illuminance
reflectors
light emitting diodes
chips
luminance
8 Citations (Scopus)

SAW-based capacitive sensor with hemispherical electrode for nano-precision gap measurement

Kim, J. G., Lee, T. J., Park, N. C., Park, Y. P., Park, K. S., Lim, S. C. & Ohm, W. S., 2010 Sep 1, In : Sensors and Actuators, A: Physical. 163, 1, p. 54-60 7 p.

Research output: Contribution to journalArticle

Capacitive sensors
Electrodes
electrodes
sensors
Sensors
2008

Feasibility of time reversal acoustics in diagnostic ultrasound imaging

Ohm, W. S., 2008 Aug 15, Nonlinear Acoustics - Fundamentals and Applications - ISNA18 - 18th International Symposium on Nonlinear Acoustics. p. 452-455 4 p. (AIP Conference Proceedings; vol. 1022).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

acoustics
harmonics
transducers
engineering
mirrors
4 Citations (Scopus)

Prediction of surface temperature rise of ultrasonic diagnostic array transducers

Ohm, W. S., Kim, J. H. & Kim, E. C., 2008 Jan 1, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 55, 1, p. 125-135 11 p., 4454308.

Research output: Contribution to journalArticle

surface temperature
Transducers
transducers
ultrasonics
Ultrasonics
2006
9 Citations (Scopus)

Generation of low-frequency vibration using a cantilever beam for calibration of accelerometers

Ohm, W. S., Wu, L., Hanes, P. & Wong, G. S. K., 2006 Jan 3, In : Journal of Sound and Vibration. 289, 1-2, p. 192-209 18 p.

Research output: Contribution to journalArticle

cantilever beams
Harmonic distortion
Cantilever beams
accelerometers
Accelerometers
1 Citation (Scopus)

Time-domain evolution equation for dispersive nonlinear Rayleigh waves

Ohm, W. S. & Hamilton, M. F., 2006 Dec 1, INNOVATIONS IN NONLINEAR ACOUSTICS - ISNA 17: 17th International Symposium on Nonlinear Acoustics including the International Sonic Boom Forum. p. 139-142 4 p. (AIP Conference Proceedings; vol. 838).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rayleigh waves
isotropic media
solitary waves
nonlinearity
coatings
2005
7 Citations (Scopus)

Measurement of sensitivity level pressure corrections for LS2P laboratory standard microphones

Wu, L., Wong, G. S. K., Hanes, P. & Ohm, W. S., 2005 Feb 1, In : Metrologia. 42, 1, p. 45-48 4 p.

Research output: Contribution to journalArticle

Microphones
Atmospheric pressure

Some recent developments at the Institute for National Measurement Standards Canada

Wong, G. S. K., Wu, L., Hanes, P. & Ohm, W. S., 2005 Dec 1, International Congress on Noise Control Engineering 2005, INTERNOISE 2005. p. 2473-2481 9 p. (International Congress on Noise Control Engineering 2005, INTERNOISE 2005; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Canada
microphones
electromagnetic interference
accelerometers
sound pressure
2004
5 Citations (Scopus)

Evolution of nonlinear Rayleigh waves in a coated substrate

Ohm, W. S. & Hamilton, M. F., 2004 Jun 1, In : Journal of the Acoustical Society of America. 115, 6, p. 2798-2806 9 p.

Research output: Contribution to journalArticle

Rayleigh waves
stiffening
film thickness
Substrate
Waves

Laboratory accreditation of the acoustical standards program at the institute for national measurement standards

Wong, G. S. K., Wu, L. & Ohm, W. S., 2004 Sep 1, In : Canadian Acoustics - Acoustique Canadienne. 32, 3, p. 88-89 2 p.

Research output: Contribution to journalArticle

requirements
1 Citation (Scopus)

The effect of mass loading on the sensitivity of shock accelerometers

Wu, L., Wong, G. S. K., Hanes, P. & Ohm, W. S., 2004 Sep 1, In : Canadian Acoustics - Acoustique Canadienne. 32, 3, p. 96-97 2 p.

Research output: Contribution to journalArticle

accelerometers
shock
sensitivity
vibration meters
output