Academic literature on the topic 'Coherent Jet'
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Journal articles on the topic "Coherent Jet"
Zhao, Fei, Rong Zhu, and Wenrui Wang. "Characteristics of the Supersonic Combustion Coherent Jet for Electric Arc Furnace Steelmaking." Materials 12, no. 21 (October 25, 2019): 3504. http://dx.doi.org/10.3390/ma12213504.
Full textSTEFFEN, JOACHIM, ROBERT BAUER, ANDREW WARKENTIN, and ED BECZE. "PERFORMANCE OF A COHERENT JET COOLANT SYSTEM IN NON-CONTINUOUS DRESS CREEP-FEED GRINDING OF INCONEL 718." Journal of Advanced Manufacturing Systems 04, no. 02 (December 2005): 117–30. http://dx.doi.org/10.1142/s021968670500062x.
Full textLv, Ming, and Rong Zhu. "Research on coherent jet oxygen lance in BOF steelmaking process." Metallurgical Research & Technology 116, no. 5 (2019): 502. http://dx.doi.org/10.1051/metal/2019020.
Full textZhao, Fei, Tianhao Di, Rong Zhu, and Wenrui Wang. "Supersonic Shrouding Methane Mixtures for Supersonic Combustion Coherent Jets." Metals 13, no. 1 (January 7, 2023): 123. http://dx.doi.org/10.3390/met13010123.
Full textNoblesse, Francis, Douglas G. Anthony, and Chi Yang. "Water Waves Radiated by Coherent Vortices in a Submerged Jet." Journal of Ship Research 37, no. 01 (March 1, 1993): 13–15. http://dx.doi.org/10.5957/jsr.1993.37.1.13.
Full textDeguchi, Kengo, and Philip Hall. "Free-stream coherent structures in a planar jet." Journal of Fluid Mechanics 837 (January 5, 2018): 916–30. http://dx.doi.org/10.1017/jfm.2017.842.
Full textLi, Xin, Guangsheng Wei, Rong Zhu, Bohan Tian, Ruimin Zhao, and Xinyi Lan. "Study on the Characteristics of Coherent Supersonic Jet with Superheated Steam." Metals 12, no. 5 (May 13, 2022): 835. http://dx.doi.org/10.3390/met12050835.
Full textLiu, Kun, Ren Zhi Han, and Chun Yang. "The Experimentation and Imitation Study on Flow Field of Coherent Jet." Advanced Materials Research 150-151 (October 2010): 930–36. http://dx.doi.org/10.4028/www.scientific.net/amr.150-151.930.
Full textMorgan, Michael N., and V. Baines-Jones. "On the Coherent Length of Fluid Nozzles in Grinding." Key Engineering Materials 404 (January 2009): 61–67. http://dx.doi.org/10.4028/www.scientific.net/kem.404.61.
Full textWu, Xuetao, Rong Zhu, Guangsheng Wei, and Kai Dong. "Influence of lance height and angle on the penetration depth of inclined coherent and conventional supersonic jets in electric arc furnace steelmaking." Journal of Mining and Metallurgy, Section B: Metallurgy, no. 00 (2020): 19. http://dx.doi.org/10.2298/jmmb190225019w.
Full textDissertations / Theses on the topic "Coherent Jet"
Bin, Baqui Yamin. "Sound generation from coherent structures in subsonic jets." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709362.
Full textMalla, Bhupatindra. "Study of High-speed Subsonic Jets using Proper Orthogonal Decomposition." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1352397174.
Full textValsecchi, Pietro. "Temporal Numerical Simulations of Turbulent Coanda Wall Jets." Diss., The University of Arizona, 2006. http://hdl.handle.net/10150/195025.
Full textSAKAI, Yasuhiko, Nobuhiko TANAKA, and Takehiro KUSHIDA. "On the Development of Coherent Structure in a Planet Jet (Part2, Investigation of Spatio-Temporal Velocity Structure by the KL Expansion)." The Japan Society of Mechanical Engineers, 2006. http://hdl.handle.net/2237/9010.
Full text田中, 伸彦, Nobuhiko TANAKA, 康彦 酒井, Yasuhiko SAKAI, 睦. 山本, Mutsumi YAMAMOTO, 貴. 久保, and Takashi KUBO. "二次元噴流のコヒーレント構造発展に関する実験的研究 (第4報、速度二成分多点同時測定とKL展開による大スケール構造モデル)." 日本機械学会, 2005. http://hdl.handle.net/2237/9007.
Full textDecker, Rodrigo Koerich. "Analise de estruturas coerentes de larga escala em jatos de dispersão bifasicos." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/266338.
Full textTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Quimica
Made available in DSpace on 2018-08-10T10:03:01Z (GMT). No. of bitstreams: 1 Decker_RodrigoKoerich_D.pdf: 3679156 bytes, checksum: 9c914896fd9d31753adf9c1bed158cac (MD5) Previous issue date: 2008
Resumo: Este trabalho propõe o estudo de estruturas coerentes de larga escala por meio da utilização da metodologia ¿Interparticle Arrival Time¿ (IAT) no escoamento de um jato bifásico. Experimentos foram desenvolvidos em relação a diferentes condições de velocidade inicial com diâmetro médio de partícula igual a 50 µm, e para duas diferentes misturas de partículas, 50 µm e 90 µm, em diferentes proporções, e comparados em relação a perfis de velocidade média, intensidade de turbulência e velocidade RMS. Medidas relacionadas à distribuição IAT foram também adquiridas para todas as condições analisadas. Os experimentos foram desenvolvidos para diferentes posições axiais e radiais a partir da saída do orifício de formação do jato. Perfis radiais de velocidade média, flutuação de velocidade (velocidade RMS), intensidade de turbulência e ¿interparticle arrival time¿ (em termos de distribuição Chi2 e número de desvios) foram obtidos pelo sistema de ¿Phase Doppler Anemometry¿, atravessando o sistema de medição ponto a ponto na direção desejada. Além disto, as variações das condições de velocidade inicial, distribuição de partículas e razão de carga permitem a obtenção de importantes informações em relação às estruturas locais do escoamento e seus efeitos sobre o transporte macroscópico e turbulento de partículas entre o centro do jato e as regiões de contorno do mesmo. Assim é possível identificar que no centro do jato não existe a formação de Estruturas Coerentes de Larga Escala (ECLE), ou seja, o escoamento é dominado por estruturas incoerentes. Existem também fortes indícios de formação de ECLE em uma região radial entre o centro e a região de contorno, sendo estas dependentes da condição inicial de velocidade da fase gás. Além disto, partículas com maior diâmetro suprimem a formação de ECLE. A distribuição IAT prova ser uma ferramenta importante na identificação dos locais onde ECLEs vêm a influenciar a distribuição de partículas, formando ¿clusters¿. A investigação extensiva de dados experimentais em relação ao comportamento da fase dispersa no escoamento gás sólido em um jato pode ser utilizada como uma importante fonte de dados para uma validação detalhada, por meio de simulação numérica, do escoamento disperso bifásico, incluindo as fortes interações entre as fases gás e particulada
Abstract: A study of large scale coherent structures by Interparticle Arrival Time (IAT) of a two phase jet flow is proposed. Measurements were carried out for different initial velocities with 50 µm particle mean diameter, and for two different particle mixtures with mean particle diameter of 50 µm and 90 µm, in different proportions, and analyzed in relation to different variables. Measurements related to IAT were also acquired for all analysis conditions. The experiments were developed for different axial and radial distances from the nozzle outlet. Radial profiles of mean velocity, RMS velocity, turbulence intensity and the IAT (in terms of Chi2 and number of deviation) were measured by a Phase Doppler Anemometry system, traversing the measuring device stepwise in the desired direction. Furthermore, the variation of the initial velocity conditions, particle diameter distributions, and particle loadings yield important information about the local flow structures and its effect on the macroscopic as well as the turbulent particle transport between the jet centre and the outer shear layer. Thus, it is possible to identify that in the centre line of the jet there is no formation of large scale coherent structures (ECLE), i. e., the flow is dominated by incoherent structures. There is also strong evidence of ECLE formation in a radial position between the centre and the outer shear layer of the jet, which are dependent on the gas initial velocity. Furthermore, particles with large diameter suppress ECLE formation. The IAT distribution proofs to be an important tool to identify regions where large scale coherent structures influence the particle distribution and tend to form particle clusters. The derived extensive experimental data set for the particle behaviour at the two-phase jet may serve as a basis for the detailed validation of numerical simulations of dispersed two phase flow behaviour including strong phase interactions between gaseous and particulate phases
Doutorado
Desenvolvimento de Processos Químicos
Doutor em Engenharia Química
SAKAI, Yasuhiko, Nobuhiko TANAKA, and Takehiro KUSHIDA. "On the Development of Coherent Structure in a Plane Jet (Part1, Characteristics of Two-Point Velocity Correlation and Analysis of Eigenmodes by the KL Expansion)." The Japan Society of Mechanical Engineers, 2006. http://hdl.handle.net/2237/9011.
Full textKaffel, Ahmed. "Analyse des structures des écoulements et des instabilités développées par un rideau d'air cisaillé latéralement par un courant externe : application au cas des meubles frigorifiques de vente." Thesis, Valenciennes, 2017. http://www.theses.fr/2017VALE0011/document.
Full textIn this study, the aerodynamic behavior of the plane wall jet (Re = 8000) sheared laterally by an external lateral stream (ELS) of a uniform velocity profile (Ulf) was studied and analyzed. The experiments were carried out by PIV and LDV on a reduced-scale isothermal aeraulic model of a refrigerated display cabinet. The study focuses on the near-field region of the jet (x / e <10) which corresponds to the zone of transition to turbulence and onset and development of instabilities. The results obtained with and without perturbation showed a significant decrease in the entrainment rate, a strong decrease in the maximum velocity decay rate, a lower jet expansion and an overall increase in the values of second order moments of the Reynolds stress components. The time-resolved PIV analysis (10 kHz) shows a distorted and elongated topology of the Kelvin-Helmholtz (K-H) structures for (Ulf = 0,5 ms-1) and a detached topology for (Ulf = 1 ms-1). The results of the mutual interaction between the inner and outer layers indicate that the ELS partially breaks the vortex dipole formation mechanism which becomes irregular and less predictive, leading to the elongation of the transitional region and a lag effect in the beginning of the self-similarity region. POD technique reveals the role of the ELS in redistributing energy between the modes. The ELS also affects the K-H instabilities by disrupting their two-dimensional organization, topology, alignment and shedding frequency, highlighting the inhibitory effect exerted on the development of primary structures. The spatial correlations Rvv reflect the decrease of the length scales in the case of a perturbed jet
Itasse, Maxime. "Effet sur le bruit de jet de l'excitation de modes instables : rôle des interactions non linéaires." Thesis, Toulouse, ISAE, 2015. http://www.theses.fr/2015ESAE0028/document.
Full textThis study is part of the effort to reduce aircraft noise during take-off. Jet noise is oneof the main contributors, of which lower frequency component can be attributed to thedirective acoustic field generated by the large-scale coherent structures arising from jetmixing-layer instabilities. The development of these instability waves can be describedusing Parabolized Stability Equations (PSE). A first objective was to determine if inthe case of a natural turbulent jet, nonlinear interactions between instability waveshave a significant impact on its dynamic and acoustic behaviour. For this purpose,a nonlinear PSE model has been developed and applied to a realistic configuration.Then, the possibility to manipulate these instability waves by means of nonlinearity wasinvestigated with a view to reduce noise. To this end, a PSE analysis has been carried outto assess the impact on jet noise of exciting one or more unstable modes. The findingsof this doctoral work demonstrate a minor impact of nonlinearities on the dynamics ofinstability waves for natural turbulent jets on the one hand, and the possibility to makethe initially dominant instability acoustically ineffective using nonlinear interactions onthe other hand
SAKAI, Yasuhiko, Nobuhiko TANAKA, Mutsumi YAMAMOTO, and Takehiro KUSHIDA. "On the Development of Coherent Structure in a Planet Jet (Part 3, Multi-Point Simultaneous Measurement of Main Streamwise Velocity and the Reconstruction of Velocity Field by the KL Expansion)." The Japan Society of Mechanical Engineers, 2006. http://hdl.handle.net/2237/9008.
Full textBooks on the topic "Coherent Jet"
Lepicovsky, J. Coherent large-scale structures in high Reynolds number supersonic jets. Marietta, Ga: Lockheed-Georgia Company, 1985.
Find full textBurke, Donald Ernest. Hope for your future: the composition and coherence of Jer 30-33. Ottawa: National Library of Canada, 1988.
Find full textEiff, Olivier Simon Hermann. Experimental analysis of the coherent structures within a turbulent jet in a crossflow. 1996.
Find full textNational Aeronautics and Space Administration (NASA) Staff. Elliptic Jets, Part 2. Dynamics of Coherent Structures: Pairing. Independently Published, 2018.
Find full textCoherent large-scale structures in high Reynolds number supersonic jets. [Washington, D.C.]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.
Find full textJ, Lepicovsky, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., eds. Coherent large-scale structures in high Reynolds number supersonic jets. [Washington, D.C.]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.
Find full textBreuel, Brett D. Transient behavior of large-scale coherent structures in axisymmetric buoyant jets. 1992.
Find full textBurke, Donald Ernest. Hope for your future: The composition and coherence of Jer 30-33. Toronto, 1988.
Find full textCohen, Richard I., ed. Benjamin Schreier, The Impossible Jew: Identity and Reconstruction of Jewish American Literary History. New York: New York University Press, 2015. 269 pp. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190912628.003.0034.
Full textBook chapters on the topic "Coherent Jet"
Glauser, Mark N., Stewart J. Leib, and William K. George. "Coherent Structures in the Axisymmetric Turbulent Jet Mixing Layer." In Turbulent Shear Flows 5, 134–45. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-71435-1_13.
Full textNarasimha, R., and I. V. R. Sivakumar. "Manipulating Coherent Structures by Heat in a Boussinesq Jet." In IUTAM Symposium on Mechanics of Passive and Active Flow Control, 209–16. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4199-4_34.
Full textKozlov, Victor V., Genrich R. Grek, and Yury A. Litvinenko. "Origination and Evolution of Coherent Structures in Laminar and Turbulent Round Jets." In Visualization of Conventional and Combusting Subsonic Jet Instabilities, 43–49. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-26958-0_5.
Full textKloeker, J. J., and E. Krause. "Numerical Simulation of Vortical and Coherent Structures in Compressible Jet Flows." In Advances in Turbulence IV, 331–35. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1689-3_53.
Full textPerkins, R. J., S. Ghosh, and J. C. Phillips. "The Interaction Between Particles and Coherent Structures in a Plane Turbulent Jet." In Advances in Turbulence 3, 93–100. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84399-0_10.
Full textGlauser, Mark, Xiaowei Zheng, and William K. George. "The Streamwise Evolution of Coherent Structures in the Axisymmetric Jet Mixing Layer." In Studies in Turbulence, 207–22. New York, NY: Springer New York, 1992. http://dx.doi.org/10.1007/978-1-4612-2792-2_14.
Full textNychas, S. G., J. N. E. Papaspyros, P. N. Papanicolaou, and E. G. Kastrinakis. "Coherent Contribution to the Turbulent Mixing of a Buoyant Jet in Cross Flow." In Advances in Turbulence VI, 125–28. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0297-8_36.
Full textAlekseenko, Sergey V., Vladimir M. Dulin, M. P. Tokarev, and Dmitriy M. Markovich. "Coherent Structures in a Turbulent Swirling Jet Under Vortex Breakdown. 3D PIV Measurements." In Springer Proceedings in Physics, 43–50. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30602-5_6.
Full textUkeiley, L. S., D. R. Cole, and M. N. Glauser. "An Examination of the Axisymmetric Jet Mixing Layer using Coherent Structure Detection Techniques." In Eddy Structure Identification in Free Turbulent Shear Flows, 325–36. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2098-2_28.
Full textDrobniak, S., and J. W. Elsner. "Coherent Structures and Their Relation to Instability Processes in a Round Free Jet." In Advances in Turbulence, 424–34. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-83045-7_48.
Full textConference papers on the topic "Coherent Jet"
Misra, Prabhakar. "Laser spectroscopy of jet-cooled radicals." In PECS'2001: Photon Echo and Coherent Spectroscopy, edited by Vitaly V. Samartsev. SPIE, 2001. http://dx.doi.org/10.1117/12.447939.
Full textPubanz, G. A., M. Maroncelli, and J. W. Nibler. "Free jet spectroscopy by coherent Raman methods." In AIP Conference Proceedings Volume 146. AIP, 1986. http://dx.doi.org/10.1063/1.35764.
Full textWATMUFF, JONATHAN H. "COHERENT STRUCTURES GENERATED BY A SYNTHETIC JET." In Proceedings of the COSNet/CSIRO Workshop on Turbulence and Coherent Structures in Fluids, Plasmas and Nonlinear Media. WORLD SCIENTIFIC, 2007. http://dx.doi.org/10.1142/9789812771025_0012.
Full textShang, Weixiao, and Jun Chen. "The Dynamic Measurement of Impinging Sheet Thickness via Partial Coherent Interferometry." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-5464.
Full textJeong, M., V. Kumar, Hd Kim, T. Setoguchi, and S. Matsuo. "A Computational Characterization of the Supersonic Coherent Jet." In 40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2004. http://dx.doi.org/10.2514/6.2004-3525.
Full text"Numerical Simulation and Application Analysis on Characteristic of Coherent Jet and Traditional Supersonic Jet." In 2020 5th International Conference on Technologies in Manufacturing, Information and Computing. Francis Academic Press, 2020. http://dx.doi.org/10.25236/ictmic.2020.009.
Full textWang, YuLi, MinGuan Yang, Can Kang, and Bo Chen. "Effect of Interfacial Flow on the Coherency of Ultra-High Speed Water Jet in Air." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-22007.
Full textLEE, S., and J. LIU. "Multiple coherent mode interaction in a developing round jet." In 2nd Shear Flow Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1989. http://dx.doi.org/10.2514/6.1989-967.
Full textSCHRECK, S., and C. HO. "Coherent structure induced pressure fluctuations in an elliptic jet." In 13th Aeroacoustics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1990. http://dx.doi.org/10.2514/6.1990-3963.
Full textIzawa, S., H. Ishikawa, and M. Kiya. "Dynamics of Coherent Structures in a Forced Round Jet." In Selected Papers of the First International Conference on Vortex Methods. WORLD SCIENTIFIC, 2000. http://dx.doi.org/10.1142/9789812793232_0011.
Full textReports on the topic "Coherent Jet"
Cullen-Vidal, David Edward. Color Coherent Radiation in Multi - Jet Events from $p\overline{p}$ Collisions at $\sqrt{s}$ = 1.8-TeV. Office of Scientific and Technical Information (OSTI), January 1997. http://dx.doi.org/10.2172/1421725.
Full textBorcherding, F. A search for rapidity gaps in jet events and a study of color coherence in multijet events at D0. Office of Scientific and Technical Information (OSTI), December 1993. http://dx.doi.org/10.2172/10124494.
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