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Relevant bibliographies by topics / Photon-Doppler Velocimeter, PDV

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Journal articles
Dissertations / Theses
Conference papers

Academic literature on the topic 'Photon-Doppler Velocimeter, PDV'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Photon-Doppler Velocimeter, PDV"

1

Chu, Pinghan, Velat Kilic, Mark A. Foster, and Zhehui Wang. "Time-lens photon Doppler velocimetry (TL-PDV)." Review of Scientific Instruments 92, no. 4 (2021): 044703. http://dx.doi.org/10.1063/5.0043079.

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2

Zellner, M. B., and G. B. Vunni. "Photon Doppler Velocimetry (PDV) Characterization of Shaped Charge Jet Formation." Procedia Engineering 58 (2013): 88–97. http://dx.doi.org/10.1016/j.proeng.2013.05.012.

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3

Farbaniec, Lukasz, Yuan Xu, Junyi Zhou, et al. "Application of the Photon Doppler Velocimetry (PDV) technique in tension-torsion Hopkinson bar experiments." EPJ Web of Conferences 250 (2021): 01025. http://dx.doi.org/10.1051/epjconf/202125001025.

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The Photon Doppler Velocimetry (PDV) technique is used to capture simultaneously propagating elastic waves of longitudinal and shear nature in a Tension-Torsion Hopkinson Bar (TTHB) apparatus. The system uses a pair of probes per velocity measurement, which were taken on the opposite sides of the TTHB bar with a laser irradiated spot size of ~35 µm. The collected data were compared to the measurements obtained from the conventional strain gauge technique, and were in good agreement. The PDV method was effective in separating longitudinal and rotation signals even when they were superimposed on

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4

Fensin, Saryu, David Jones, Daniel Martinez, Calvin Lear, and Jeremy Payton. "The Role of Helium on Ejecta Production in Copper." Materials 13, no. 6 (2020): 1270. http://dx.doi.org/10.3390/ma13061270.

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The effect of helium (He) concentration on ejecta production in OFHC-Copper was investigated using Richtmyer–Meshkov Instability (RMI) experiments. The experiments involved complex samples with periodic surface perturbations machined onto the surface. Each of the four target was implanted with a unique helium concentration that varied from 0 to 4000 appm. The perturbation’s wavelengths were λ ≈ 65 μ m, and their amplitudes h 0 were varied to determine the wavenumber ( 2 π / λ ) amplitude product k h 0 at which ejecta production beganfor Cu with and without He. The velocity and mass of the ejec

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Thibaudeau, E., B. Turner, T. Gross, and B. L. Kinsey. "Analysis of Fiber Optic Sensor to Measure Velocities During High Deformation Rate Material Forming Processes." Journal of Manufacturing Science and Engineering 137, no. 3 (2015). http://dx.doi.org/10.1115/1.4029650.

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Previous methods of measuring high velocities, e.g., during electromagnetic forming (EMF) and magnetic pulse welding processes where the workpiece is deforming, include photon Doppler velocimetry (PDV), laser micrometers, and high speed photography. In this paper, an alternative method is presented, implementing a fiber optic, reflectance dependent sensor. The sensor is shown to be an attractive, low purchase cost solution to measure high velocities. Data are shown with respect to sensor characterization including various surface reflectivity values, curvatures, and misalignments; implementati

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6

Lee, Taeseon, Shunyi Zhang, Anupam Vivek, Brad Kinsey, and Glenn Daehn. "Flyer Thickness Effect in the Impact Welding of Aluminum to Steel." Journal of Manufacturing Science and Engineering 140, no. 12 (2018). http://dx.doi.org/10.1115/1.4041247.

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Impact welding is a material processing technology that enables metallurgical bonding in the solid state using a high-speed oblique collision. In this study, the effects of thickness of the flier and collision angle on weld interface morphology were investigated through the vaporizing foil actuator welding (VFAW) of AA1100-O to AISI 1018 Steel. The weld interfaces at various controlled conditions show wavelength increasing with the flier thickness and collision angle. The AA1100-O flier sheets ranged in thickness from 0.127 to 1.016 mm. The velocity of the fliers was directly measured by in si

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7

Zhang, Shunyi, Joern Lueg-Althoff, Marlon Hahn, A. Erman Tekkaya, and Brad Kinsey. "Effect of Process Parameters on Wavy Interfacial Morphology During Magnetic Pulse Welding." Journal of Manufacturing Science and Engineering 143, no. 1 (2020). http://dx.doi.org/10.1115/1.4048516.

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Abstract Magnetic pulse welding (MPW) is a solid-state welding process that bonds similar and dissimilar metals using a high velocity collision. In this paper, effects of impact velocity, target tube thickness, and mandrel inclusion on the interfacial morphology were investigated through the welding of tubular parts, Al6060T4 (flyer) to Cu-ETP (target), by electromagnetic compression. The hypothesis tested in this research is that a “well-supported target,” i.e., either a thick target or the support of a mandrel, allows for vortices to be created at the interface during MPW provided that the i

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Dissertations / Theses on the topic "Photon-Doppler Velocimeter, PDV"

1

Windholtz, Timothy Nolan. "Plane-Strain Formability of Sheet Metal at High Velocity." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1332509672.

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Johnson, Jason R. "Developing the Axisymmetric Expanding Ring: A High Strain-Rate Materials Characterization Test." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1387807565.

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Conference papers on the topic "Photon-Doppler Velocimeter, PDV"

1

Johnson, Christopher R., John P. Borg, and C. Scott Alexander. "A direct comparison of transverse velocimetry techniques using photon Doppler velocimetry (PDV) in oblique impact experiments." In SHOCK COMPRESSION OF CONDENSED MATTER - 2019: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP Publishing, 2020. http://dx.doi.org/10.1063/12.0000883.

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2

Thibaudeau, E., B. Turner, T. Gross, and B. L. Kinsey. "Analysis of Fiber Optic Sensor to Measure Velocity During Electromagnetic Forming and Welding." In ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/msec2013-1242.

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Previous methods of measuring high velocity deformation in electromagnetic forming and magnetic pulse welding include Photon Doppler Velocimetry (PDV), laser micrometers, and high speed photography. In this paper an alternative method is presented, implementing a fiber optic, reflectance dependent displacement sensor. The sensor is shown to be an attractive low cost solution to measurement of high velocities in high voltage, magnetic environments. Data is shown with respect to sensor characterization including various surface reflectivity values, curvatures, and misalignments; implementation i

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3

Burkett, M. W. "Eulerian Hydrocode Modeling of a Dynamic Tensile Extrusion Experiment." In 2019 15th Hypervelocity Impact Symposium. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/hvis2019-057.

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Abstract Eulerian hydrocode simulations using the Mechanical Threshold Stress (MTS), Zerilli-Armstrong (Z-A), and Johnson Cook (J-C) flow stress models were performed to provide insights into dynamic tensile extrusion (DTE) experiments with copper (Cu) and tantalum (Ta). The extrusion of Cu and Ta projectiles was simulated with an explicit, two-dimensional Eulerian continuum mechanics hydrocode and compared with data to determine if this extrusion concept is a useful indirect hydrocode material strength model evaluation experiment. The data consisted of high-speed images of the extrusion proce

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