Search Results - "Gee, Kent L"

Phase and amplitude gradient method for the estimation of acoustic vector quantities by Thomas, Derek C, Christensen, Benjamin Y, Gee, Kent L

“…An alternative pressure-sensor based method for estimating the acoustic intensity, the phase and amplitude gradient estimation (PAGE) method, is presented…”
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Experimental validation of acoustic intensity bandwidth extension by phase unwrapping by Gee, Kent L., Neilsen, Tracianne B., Sommerfeldt, Scott D., Akamine, Masahito, Okamoto, Koji

“…The phase and amplitude gradient estimator (PAGE) method for active acoustic intensity uses pairwise microphone transfer functions to obtain the phase…”
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Infrasonic crackle and supersonic jet noise from the eruption of Nabro Volcano, Eritrea by Fee, David, Matoza, Robin S., Gee, Kent L., Neilsen, Tracianne B., Ogden, Darcy E.

“…The lowermost portion of an explosive volcanic eruption column is considered a momentum‐driven jet. Understanding volcanic jets is critical for determining…”
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Asymptotic behavior of a frequency-domain nonlinearity indicator for solutions to the generalized Burgers equation by Miller, Kyle G., Gee, Kent L., Reichman, Brent O.

“…A frequency-domain nonlinearity indicator has previously been characterized for two analytical solutions to the generalized Burgers equation (GBE) [Reichman,…”
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Quantitative analysis of a frequency-domain nonlinearity indicator by Reichman, Brent O., Gee, Kent L., Neilsen, Tracianne B., Miller, Kyle G.

“…In this paper, quantitative understanding of a frequency-domain nonlinearity indicator is developed. The indicator is derived from an ensemble-averaged,…”
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Skewness and shock formation in laboratory-scale supersonic jet data by Gee, Kent L, Neilsen, Tracianne B, Atchley, Anthony A

“…Spatial properties of noise statistics near unheated, laboratory-scale supersonic jets yield insights into source characteristics and near-field shock…”
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K-Means Clustering of 51 Geospatial Layers Identified for Use in Continental-Scale Modeling of Outdoor Acoustic Environments by Pedersen, Katrina, Jensen, Ryan R., Hall, Lucas K., Cutler, Mitchell C., Transtrum, Mark K., Gee, Kent L., Lympany, Shane V.

“…Applying machine learning methods to geographic data provides insights into spatial patterns in the data as well as assists in interpreting and describing…”
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Improving low-frequency response of sonic boom measurements through digital filtering by Rasband, Reese D, Gee, Kent L, Gabrielson, Thomas B, Loubeau, Alexandra

“…High-fidelity measurement of sonic boom waveforms requires microphones and data acquisition hardware with flat frequency responses extending below 1 Hz…”
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The role of nonlinear effects in the propagation of noise from high-power jet aircraft by Gee, Kent L., Sparrow, Victor W., James, Michael M., Downing, J. Micah, Hobbs, Christopher M., Gabrielson, Thomas B., Atchley, Anthony A.

“…To address the question of the role of nonlinear effects in the propagation of noise radiated by high-power jet aircraft, extensive measurements were made of…”
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A tale of two curves and their influence on rocket and supersonic jet noise research by Gee, Kent L

“…This letter describes how a landmark 1960s supersonic jet noise experiment influenced subsequent noise models. A discrepancy in other researchers' application…”
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Comparison of multimicrophone probe design and processing methods in measuring acoustic intensity by Wiederhold, Curtis P, Gee, Kent L, Blotter, Jonathan D, Sommerfeldt, Scott D, Giraud, Jarom H

“…Three multimicrophone probe arrangements used to measure acoustic intensity are the four-microphone regular tetrahedral, the four-microphone orthogonal, and…”
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Acoustic intensity near a high-powered military jet aircraft by Stout, Trevor A, Gee, Kent L, Neilsen, Tracianne B, Wall, Alan T, James, Michael M

“…The spatial variation in vector acoustic intensity has been calculated between 100 and 3000 Hz near a high-performance military aircraft. With one engine of a…”
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Aeroacoustics of volcanic jets: Acoustic power estimation and jet velocity dependence by Matoza, Robin S., Fee, David, Neilsen, Tracianne B., Gee, Kent L., Ogden, Darcy E.

“…A fundamental goal of volcano acoustics is to relate observed infrasonic signals to the eruptive processes generating them. A link between acoustic power Π¯…”
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Space Launch System acoustics: Far-field noise measurements of the Artemis-I launch by Gee, Kent L, Hart, Grant W, Cunningham, Carson F, Anderson, Mark C, Bassett, Michael S, Mathews, Logan T, Durrant, J Taggart, Moats, Levi T, Coyle, Whitney L, Kellison, Makayle S, Kuffskie, Margaret J

“…To improve understanding of super heavy-lift rocket acoustics, this letter documents initial findings from noise measurements during liftoff of the Space…”
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Resource Letter APPO-1: Acoustics for Physics Pedagogy and Outreach by Gee, K. L, Neilsen, T. B

“…This Resource Letter provides a guide to the use of acoustics in physics pedagogy, whether in stand-alone courses, or as examples, analogies, or demonstrations…”
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Investigating Spectral Distortion of Local Volcano Infrasound by Nonlinear Propagation at Sakurajima Volcano, Japan by Maher, Sean P., Matoza, Robin S., Groot‐Hedlin, Catherine D., Gee, Kent L., Fee, David, Yokoo, Akihiko

“…Sound waves generated by erupting volcanoes can be used to infer important source dynamics, yet acoustic source‐time functions may be distorted during…”
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Supersonic jet noise from launch vehicles: 50 years since NASA SP-8072 by Lubert, Caroline P, Gee, Kent L, Tsutsumi, Seiji

“…In 1971, the U.S. National Aeronautics and Space Administration (NASA) published a seminal report-NASA SP-8072-which compiled the results of the early…”
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A characteristic nonlinear distortion length for broadband Gaussian noise by Muhlestein, Michael B., Gee, Kent L.

“…The nonlinear evolution of high-amplitude broadband noise is important to the psychoacoustic perception, usually annoyance, of high-speed jet noise. One method…”
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Bicoherence analysis of model-scale jet noise by Gee, Kent L., Atchley, Anthony A., Falco, Lauren E., Shepherd, Micah R., Ukeiley, Lawrence S., Jansen, Bernard J., Seiner, John M.

“…Bicoherence analysis has been used to characterize nonlinear effects in the propagation of noise from a model-scale, Mach-2.0, unheated jet. Nonlinear…”
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Near-field vector intensity measurements of a small solid rocket motor by Gee, Kent L., Giraud, Jarom H., Blotter, Jonathan D., Sommerfeldt, Scott D.

“…Near-field vector intensity measurements have been made of a 12.7-cm diameter nozzle solid rocket motor. The measurements utilized a test rig comprised of four…”
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