Academic literature on the topic 'Edge velocity'
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Journal articles on the topic "Edge velocity"
Anagaw, Amsalu Y., and Mauricio D. Sacchi. "Edge-preserving smoothing for simultaneous-source full-waveform inversion model updates in high-contrast velocity models." GEOPHYSICS 83, no. 2 (March 1, 2018): A33—A37. http://dx.doi.org/10.1190/geo2017-0563.1.
Full textReif, Dylan W., Howard B. Bluestein, Tammy M. Weckwerth, Zachary B. Wienhoff, and Manda B. Chasteen. "Estimating the Maximum Vertical Velocity at the Leading Edge of a Density Current." Journal of the Atmospheric Sciences 77, no. 11 (November 2020): 3683–700. http://dx.doi.org/10.1175/jas-d-20-0028.1.
Full textVaivads, A., A. Retinò, Yu V. Khotyaintsev, and M. André. "The Alfvén edge in asymmetric reconnection." Annales Geophysicae 28, no. 6 (June 23, 2010): 1327–31. http://dx.doi.org/10.5194/angeo-28-1327-2010.
Full textNAYAGAM, VEDHA, and F. A. WILLIAMS. "Lewis-number effects on edge-flame propagation." Journal of Fluid Mechanics 458 (May 10, 2002): 219–28. http://dx.doi.org/10.1017/s0022112002008017.
Full textPitts, R. A. "Ion velocity distributions at the tokamak edge." Physics of Fluids B: Plasma Physics 3, no. 10 (October 1991): 2871–76. http://dx.doi.org/10.1063/1.859919.
Full textSHAN, H., B. MA, Z. ZHANG, and F. T. M. NIEUWSTADT. "Direct numerical simulation of a puff and a slug in transitional cylindrical pipe flow." Journal of Fluid Mechanics 387 (May 25, 1999): 39–60. http://dx.doi.org/10.1017/s0022112099004681.
Full textSun, Keke, Ke Yang, Zhaoyu Ku, Yu Liu, and Huajun Dong. "Motion Velocity Detection of Circuit Breaker Operating Mechanism." Journal of Physics: Conference Series 2303, no. 1 (July 1, 2022): 012067. http://dx.doi.org/10.1088/1742-6596/2303/1/012067.
Full textГлухова, О. Е., А. П. Четвериков, and В. В. Шунаев. "Динамика локализованной кольцевой нелинейной волны в углеродной нанотрубке." Письма в журнал технической физики 47, no. 19 (2021): 15. http://dx.doi.org/10.21883/pjtf.2021.19.51506.18895.
Full textWu, Jian, and Rong Di Han. "Experimental Investigation on Chip Deformation in Drilling 1Cr18Ni9Ti." Advanced Materials Research 426 (January 2012): 48–51. http://dx.doi.org/10.4028/www.scientific.net/amr.426.48.
Full textGlukhova O. E., Chetverikov A. P., and Shunaev V. V. "Dynamics of a localized ring nonlinear wave in a carbon nanotube." Technical Physics Letters 48, no. 13 (2022): 37. http://dx.doi.org/10.21883/tpl.2022.13.53350.18895.
Full textDissertations / Theses on the topic "Edge velocity"
Spitz, Nicolas. "Prediction of Trailing Edge Noise from Two-Point Velocity Correlations." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/32637.
Full textMaster of Science
Eisenman, Adam. "Estimating light edge velocity based on retinal ganglion cell spike trains." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40323.
Full textThis electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Includes bibliographical references (p. 136-137).
This thesis is intended to present a specific sub-problem of a larger one we call the 'Inverse Problem'. We wish to estimate the velocity (speed and direction) of an edge of light which is moving on the photoreceptor layer of a rabbit retinal patch. We make these estimates based solely on the electrical response measured from the retinal ganglion cells (RGCs). We present various algorithms for doing so and present sensitivity analysis of such algorithms. We test the performance of the algorithms on data recorded from retina and on data produced by simulation. We find that we are able to extract enough information about the edge velocity from ON and OFF RGCs when the edge of light is wide. However, our best algorithm's performance decays significantly as the edge of light gets narrower. This leads us to develop algorithms that use ON-OFF directionally selective (DS) cells in conjunction with non-directional ON and OFF cells to produce better estimates of the velocity for narrow edges of light. In addition, we develop a model to simulate the response of a DS cell to 1-dimensional light motion.
by Adam Eisenman.
S.M.
Malhotra, Anjum. "Low velocity edge impact on composite laminates : damage tolerance and numerical simulations." Thesis, Queen Mary, University of London, 2014. http://qmro.qmul.ac.uk/xmlui/handle/123456789/8571.
Full textJosefsson, Mattias. "3D camera with built-in velocity measurement." Thesis, Linköpings universitet, Datorseende, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-68632.
Full textI dagens industri används ofta 3D-kameror för att inspektera produkter. Kameran producerar en 3D-modell samt en intensitetsbild genom att sätta ihop en serie av profilbilder av objektet som erhålls genom lasertriangulering. I många av dessa uppställningar används en fysisk encoder som återspeglar hastigheten på till exempel transportbandet som produkten ligger på. Utan den här encodern kan bilden som kameran fångar bli förvrängd på grund av hastighetsvariationer. I det här examensarbetet presenteras en metod för att integrera funktionaliteten av encodern in i kamerans mjukvara. För att göra detta krävs att ett mönster placeras längs med objektet som ska bli skannat. Mönstret återfinns i bilden fångad av kameran och med hjälp av detta mönster kan hastigheten bestämmas och objektets korrekta proportioner återställas.
Sierchio, Jennifer Marie. "Comparison of edge turbulence velocity analysis techniques using Gas Puff Imaging data on Alcator C-Mod." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/91073.
Full text30
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 117-119).
In the past, two methods for analyzing data from the Gas Puff Imaging diagnostic on Alcator C-Mod have been used. One uses temporal and spatial Fourier analysis to obtain wavenumber-frequency spectra, from which a phase velocity is computed [1, 2]. The other is based on time-delay cross-correlation of successive images used to track the motion of discrete emission structures [3, 4]. Several Gas-Puff-Imaging experiments were conducted to obtain data taken using the GPI Phantom Camera. The analysis of and results from these data are discussed in [3]. The results showed that the tracking time-delay-estimation technique found poloidal velocity magnitudes in the 0.1-1.4 km/sec range. However, independent examination of these data using the Fourier analysis yielded magnitudes up to a factor of 10 larger for the same data, and sometimes even disagreed with the direction of motion found. To understand the reasons for these discrepancies, we designed and generated synthetic data that mimics the real data. The user inputs the velocities, sizes, intensities, and distributions of the synthetic emission structures. We have used the synthetic data to test each code rigorously for strengths, weaknesses, and weighting. We have found that the Fourier analysis perfectly returns the correct poloidal velocity when there is no radial velocity component present. We have found that the tracking TDE analysis weights low frequency, low wavenumber features most heavily since they are typically the most intense, but systematically returns a smaller velocity than expected due to issues associated with averaging. After adjusting for these issues, the tracking TDE code now returns the correct value of the poloidal and radial velocities to within 10% for synthetic data as long as there is only one velocity present in the synthetic simulation. We applied these corrections to the analysis of the real data, and found that the measurements changed little in most cases. We then examined, in detail, the Fourier-analysis-derived "conditional" spectra for each shot, and determined that the likely causes for the discrepancies are due either to multiple velocities with emission structures moving in opposite directions in the same field of view or to non-zero "dispersion" in which lower-frequency/lower-wavenumber features are moving with one phase velocity and higher-frequency/higher-wavenumber features are moving with a different phase velocity. In a couple of cases, there may be a radial component in the actual images that may affect the poloidal velocity measurement for the Fourier analysis. Accounting for these explanations, we believe that we have resolved the discrepancies in many cases, and can explain it in the others.
by Jennifer Marie Sierchio.
S.M.
Glenn, Timothy Scott 1971. "Velocity measurement of laser energy induced Rayleigh surface waves on bulk substrates employing the optical beam deflection (knife-edge detection) method." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/49947.
Full textWhitehouse, David Richard Carleton University Dissertation Engineering Aerospace. "The effect of axial velocity ratio, turbulence intensity, incidence and leading edge geometry on the off-design performance of a turbine blade cascade." Ottawa, 1993.
Find full textAbraham, Rohit Mathew. "An Experimental Study of Scuffing Performance of a Helical Gear Pair Subjected to Different Lubrication Methods." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1397228984.
Full textLeybros, Robin. "Etude des vitesses de dérive fluides dans le plasma de bord des tokamaks : modélisation numérique et comparaison simulation/expérience." Thesis, Ecole centrale de Marseille, 2015. http://www.theses.fr/2015ECDM0006/document.
Full textThe transport of heat and particles in the edge of tokamaks plays a key role in both the performance of the confined plasma and the extraction of power and thus the lifetime of the plasma facing components. It’s in this context that this thesis is inscribed, which focuses on the role played by the transverse magnetic field flows in the balance between parallel and perpendicular dynamic that governs the edge region of a tokamak. These flows can produce poloidal asymmetries of heat and particles deposit on plasma facing components and generally asymmetries of various amounts in plasma. The radial drift velocities are due to the presence of a radial electric field resulting from charge balance (electric drift velocity) or related to effects of the toroidal geometry inducing a magnetic field inhomogeneity (curvature drift velocity). To advance the understanding of these phenomena, numerical modeling of transport and turbulence in complex geometries is essential. In addition, synthetic diagnostic tools for modeling the measurement process in numerical plasmas are developed to enable a realistic comparison between models and experiments. Modeling of perpendicular drift velocities was introduced into the SOLEDGE2D code describing the transport of the density, momentum and energy of a tokamak plasma. We first studied the impact of a prescribed electric field on plasma equilibrium to understand the mechanisms behind plasma asymmetries and study the establishment of parallel flows and asymmetry of the heat flux on plasma facing components. Then we implemented a self-consistent model solving the electric potential in SOLEDGE2D fluid equations to understand the equilibrium of the electric field and to study the effect of the magnetic configuration of the tokamak and the curvature drift velocity on it. In the second part of this thesis, a synthetic diagnosis modeling the experimental measurements of Doppler backscattering was developed and tested in order to be applied to simulations of 3D turbulent fluid code TOKAM3X. This diagnosis measures the perpendicular velocity of the plasma from the movement of the density fluctuations. It was used to compare the perpendicular velocity asymmetries observed experimentally to asymmetries measured in numericalsimulations
Lismonde, Baudouin. "Champ de vitesse au bord d'attaque et dans le spot laminaire d'un écoulement sur une plaque plane." Grenoble 1, 1987. http://www.theses.fr/1987GRE10074.
Full textBooks on the topic "Edge velocity"
Yu, S. C. M. Velocity measurements downstream of a lobed forced mixer with different trailing edge configurations. Washington, D. C: American Institute of Aeronautics and Astronautics, 1994.
Find full textThe high-velocity edge: How market leaders leverage operational excellence to beat the competition. 2nd ed. New York: McGraw-Hill, 2009.
Find full textMueller, T. J. The structure of separated flow regions occurring near the leading edge of airfoils, including transition: Semi-annual status report, February 1986-July 1986. [Washington, D.C: National Aeronautics and Space Administration, 1986.
Find full textThe High-Velocity Edge. New York: McGraw-Hill, 2010.
Find full textTurbulence measurements on a flap-edge model: Final report : NASA-Ames university consortium, NCC2-5140. [Washington, DC: National Aeronautics and Space Administration, 1996.
Find full textJames, VanFossen G., and United States. National Aeronautics and Space Administration., eds. Increased heat transfer to a cylindrical leading edge due to spanwise variations in the freestream velocity. [Washington, D.C.]: National Aeronautics and Space Administration, 1991.
Find full textUnited States. National Aeronautics and Space Administration., ed. The structure of separated flow regions occurring near the leading edge of airfoils, including transition: Semi-annual status report, November 1984 - April 1985. Notre Dame, Ind: Dept. of Aerospace and Mechanical Engineering, University of Notre Dame, 1985.
Find full textK, Takahashi R., Ames Research Center, and United States. Army Aviation Systems Command., eds. NACA 0015 wing pressure and trailing vortex measurements. Washington, D.C: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1991.
Find full textNumerical studies of boundary-layer receptivity: A progress report. [Washington, DC: National Aeronautics and Space Administration, 1995.
Find full textUnited States. National Aeronautics and Space Administration., ed. Numerical studies of boundary-layer receptivity: A progress report. [Washington, DC: National Aeronautics and Space Administration, 1995.
Find full textBook chapters on the topic "Edge velocity"
Gu, J., F. Alamos, D. Schoch, J. Bornhorst, and H. Kim. "The Effects of the High-Velocity Shearing Speed on the Sheared Edge Quality and Edge Cracking." In Forming the Future, 1245–54. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_103.
Full textWada, Keiichi, Tetsuo Hasegawa, Yoshiaki Sofue, Yoshiaki Taniguchi, and Asao Habe. "Position-Velocity Diagrams as a Probe of the Bar in Edge-On Galaxies." In Unsolved Problems of the Milky Way, 147–48. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1687-6_19.
Full textKim, Woo-Joong, and Chan-Hyun Youn. "A Low-Cost Video Analytics System with Velocity Based Configuration Adaptation in Edge Computing." In Transactions on Computational Science and Computational Intelligence, 667–77. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70296-0_48.
Full textMahesh and K. K. Singh. "Numerical Simulation of GFRP Laminate Under Low-Velocity Impact at Different Edge-Constrained Boundary Conditions." In Lecture Notes on Multidisciplinary Industrial Engineering, 87–95. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9016-6_10.
Full textJodin, G., J. F. Rouchon, J. Schller, N. Simiriotis, M. Triantafyllou, S. Cazin, P. Elyakime, M. Marchal, and M. Braza. "Electroactive Morphing Vibrating Trailing Edge of a Cambered Wing: PIV, Turbulence Manipulation and Velocity Effects." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 427–39. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-55594-8_35.
Full textRahul, G. R., V. Jayaram, and S. Bose. "Dependence of Crack Velocity on Stress Intensity Factor in PMMA Using Single-Edge-Notched Clamped Beams." In Advances in Structural Integrity, 205–14. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-7197-3_18.
Full textKosbi, Klaus, Wieland Weise, Ulla Scheer, Uwe Laun, and Siegfried Boseck. "Measurement of Surface Wave Velocity and Anisotropy at Edges Using Point-Focus Acoustic Microscopy." In Acoustical Imaging, 677–82. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4419-8772-3_110.
Full text"edge velocity." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 455. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_50506.
Full textYu, YinQuan. "Optimization of Manufacturing Production and Process." In Smart Manufacturing - When Artificial Intelligence Meets the Internet of Things. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.92304.
Full textLebedev, S. A., A. G. Kostianoy, and S. K. Popov. "Satellite altimetry of the Barents sea." In THE BARENTS SEA SYSTEM, 194–212. Shirshov Institute of Oceanology Publishing House, 2021. http://dx.doi.org/10.29006/978-5-6045110-0-8/(16).
Full textConference papers on the topic "Edge velocity"
Valenciano, Alejandro A., Morgan Brown, Antoine Guitton, and Mauricio D. Sacchi. "Interval velocity estimation using edge‐preserving regularization." In SEG Technical Program Expanded Abstracts 2004. Society of Exploration Geophysicists, 2004. http://dx.doi.org/10.1190/1.1845232.
Full textZhao, Peida, Matin Amani, Der-Hsien Lien, Geun Ho Ahn, Daisuke Kiriya, James P. Mastandrea, Joel W. Ager, Eli Yablonovitch, Daryl C. Chrzan, and Ali Javey. "Measuring the edge recombination velocity of monolayer semiconductors." In 2017 Fifth Berkeley Symposium on Energy Efficient Electronic Systems & Steep Transistors Workshop (E3S). IEEE, 2017. http://dx.doi.org/10.1109/e3s.2017.8246197.
Full textEgan, V., D. T. Newport, V. Larcarac, and B. Estebe. "Velocity Field Measurements in Leading Edge Wing Compartments." In ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/ht2008-56321.
Full textChang, Young B., Chang H. Cho, and Peter M. Moretti. "Edge Flutter." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0224.
Full textSeo, Haijin, Yuhwa Lee, Yangmo Yoo, Tai-kyong Song, and Jin Ho Chang. "Estimation of sound velocity based on evaluation of edge conspicuity." In 2010 IEEE Ultrasonics Symposium (IUS). IEEE, 2010. http://dx.doi.org/10.1109/ultsym.2010.5935654.
Full textBenson, Michael, Gregory Laskowski, Chris Elkins, and John K. Eaton. "Film-Cooled Trailing Edge Measurements: 3D Velocity and Scalar Field." In ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-45070.
Full textAnderson, John E., and Carey M. Marcinkovich. "Finding the edge of salt via a dual‐velocity flood." In SEG Technical Program Expanded Abstracts 2005. Society of Exploration Geophysicists, 2005. http://dx.doi.org/10.1190/1.2148094.
Full textAnderson, J. E., and C. M. Marcinkovich. "Finding the Edge of Salt Via a Dual-Velocity Flood." In 68th EAGE Conference and Exhibition incorporating SPE EUROPEC 2006. European Association of Geoscientists & Engineers, 2006. http://dx.doi.org/10.3997/2214-4609.201402013.
Full textRathore, M. Mazhar, Yaser Jararweh, Muhammad Raheel, and Anand Paul. "Securing High-Velocity Data: Authentication and Key Management Model for Smart City Communication." In 2019 Fourth International Conference on Fog and Mobile Edge Computing (FMEC). IEEE, 2019. http://dx.doi.org/10.1109/fmec.2019.8795312.
Full textGutkowicz-Krusin, Dina, and Marek Elbaum. "Performance analysis of wind velocity edge techniques utilizing Fabry-Perot etalons." In SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, edited by Tomasz Jannson. SPIE, 1995. http://dx.doi.org/10.1117/12.221223.
Full textReports on the topic "Edge velocity"
Cao, A., S. J. Zweben, D. P. Stotler, M. Bell, A. Diallo, S. M. Kaye, and B. LeBlanc. Edge Turbulence Velocity Changes with Lithium Coating on NSTX. Office of Scientific and Technical Information (OSTI), August 2012. http://dx.doi.org/10.2172/1056824.
Full textMunsat, Tobin. Assessment of Edge Turbulence and Convective Transport through Velocity Field Analysis. Office of Scientific and Technical Information (OSTI), March 2015. http://dx.doi.org/10.2172/1176964.
Full textRuvinsky, Alicia, Timothy Garton, Daniel Chausse, Rajeev Agrawal, Harland Yu, and Ernest Miller. Accelerating the tactical decision process with High-Performance Computing (HPC) on the edge : motivation, framework, and use cases. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/42169.
Full textAfrican Open Science Platform Part 1: Landscape Study. Academy of Science of South Africa (ASSAf), 2019. http://dx.doi.org/10.17159/assaf.2019/0047.
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