Littérature scientifique sur le sujet « Side-Jets »
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Articles de revues sur le sujet "Side-Jets"
MURAMATSU, Akinori, Kuu Kashino et Seiichi Terahara. « Side jets in strongly-forced round air jets ». Journal of the Visualization Society of Japan 28-1, no 2 (2008) : 1009. http://dx.doi.org/10.3154/jvs.28.1009.
Texte intégralMORIMOTO, Kenta, et Yuichi ITOH. « 20615 Numerical Simulation of Side-jets generated from Round Jets ». Proceedings of Conference of Kanto Branch 2014.20 (2014) : _20615–1_—_20615–2_. http://dx.doi.org/10.1299/jsmekanto.2014.20._20615-1_.
Texte intégralMonkewitz, Peter A., Bernhard Lehmann, Bernd Barsikow et Dietrich W. Bechert. « The spreading of self‐excited hot jets by side jets ». Physics of Fluids A : Fluid Dynamics 1, no 3 (mars 1989) : 446–48. http://dx.doi.org/10.1063/1.857467.
Texte intégralMURAMATSU, Akinori, Mirko GAMBA et Noel T. CLEMENS. « Flow Visualization of Side Jets in Helium Gas Jets by PLMS ». Journal of the Visualization Society of Japan 27, Supplement2 (2007) : 59–60. http://dx.doi.org/10.3154/jvs.27.supplement2_59.
Texte intégralBrancher, P., J. M. Chomaz et P. Huerre. « Direct numerical simulations of round jets : Vortex induction and side jets ». Physics of Fluids 6, no 5 (mai 1994) : 1768–74. http://dx.doi.org/10.1063/1.868238.
Texte intégralMonkewitz, Peter A., et Eberhard Pfizenmaier. « Mixing by side jets’’ in strongly forced and self‐excited round jets ». Physics of Fluids A : Fluid Dynamics 3, no 5 (mai 1991) : 1356–61. http://dx.doi.org/10.1063/1.858065.
Texte intégralMIZUSHIMA, J., et Y. KAWAGUCHI. « Transitions of flow past a row of square bars ». Journal of Fluid Mechanics 405 (25 février 2000) : 305–23. http://dx.doi.org/10.1017/s0022112099007399.
Texte intégralYAO, YUFENG. « DIRECT NUMERICAL SIMULATION OF MULTIPLE JETS IN CROSS-FLOW ». Modern Physics Letters B 23, no 03 (30 janvier 2009) : 249–52. http://dx.doi.org/10.1142/s0217984909018126.
Texte intégralBRUNA, ELENA. « DI-JET MEASUREMENTS IN HEAVY-ION COLLISIONS AT STAR ». International Journal of Modern Physics E 20, no 07 (juillet 2011) : 1551–55. http://dx.doi.org/10.1142/s0218301311019854.
Texte intégralKATO, Yushi, et Akinori MURAMATSU. « Effect on Initial Velocity Gradient on Side-Jets Formation in a Round Jets ». Proceedings of the Fluids engineering conference 2018 (2018) : OS5–9. http://dx.doi.org/10.1299/jsmefed.2018.os5-9.
Texte intégralThèses sur le sujet "Side-Jets"
Al-Hasnawi, Adnan Ghareeb Tuaamah [Verfasser], et Eckehard [Akademischer Betreuer] Specht. « Mixing behaviour of side injection of air jets and gaseous fuel jets into the axial flow of tunnel kilns / Adnan Ghareeb Tuaamah Al-Hasnawi ; Betreuer : Eckehard Specht ». Magdeburg : Universitätsbibliothek, 2016. http://d-nb.info/1117085953/34.
Texte intégralAl-Hasnawi, Adnan Ghareeb Tuaamah Verfasser], et Eckehard [Akademischer Betreuer] [Specht. « Mixing behaviour of side injection of air jets and gaseous fuel jets into the axial flow of tunnel kilns / Adnan Ghareeb Tuaamah Al-Hasnawi ; Betreuer : Eckehard Specht ». Magdeburg : Universitätsbibliothek, 2016. http://nbn-resolving.de/urn:nbn:de:gbv:ma9:1-8342.
Texte intégralKisieliauskas, Vaidas. « Vėjo įtaka purkštukų išpurškiamų lašelių sklaidai ». Master's thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2009~D_20090609_120811-84776.
Texte intégralSummary Scope of work page 53, including 51 picture, 5 tables. The information sources listed 26 sources. Beginning in 2007 09 01, the end of 2009 05 29. Work item – the construction of the nozzles (conical flow skyline, Slit flat flow and injector nozzles (pneumohydraulic)). The aim – to explore the wind velocity influence on the design of different nozzles spray liquid dispersion of droplets. Working methods. Literature sources used for logic analysis method. The study as were used for construction of 3 different nozzles. They sprayed the liquid was mutual axial fan creates a difference in the strength (speed) of air flow. To obtain data to assess the dispersed and the correlation-regression analysis. Results of the work. The analysis of the information submitted by the nozzles and on the basis of research carried out by the results of research can be said that the wind speed is the most important meteorological factor, which relies heavily on sprayed liquid droplets leeway tailwind. In addition, the sprayed liquid droplets leeway tailwind significantly depends on the injector design. The synthesis of all three nozzles studies found that, on average, an area remote from the nozzles built of local wind direction from 0.5 m to 2.0 m, at the 30% and from 2.0 m to 4.5 m – still about 7 % droplets, when the lateral wind speed is 8.2 ± 0.1 m • s-1. Injector nozzles (pneumohydraulic) nozzles test results compared with Slit flat flow results can be said that the tailwind of... [to full text]
Walter, Léo. « Étude expérimentale et théorique du mélange d'un jet léger ». Electronic Thesis or Diss., Toulouse, ISAE, 2024. http://www.theses.fr/2024ESAE0071.
Texte intégralThe aim of this PhD thesis is to study the physical mechanisms which govern the evolution and the mixing of side-jets in low-density binary mixing round jets, using a complementary numerical and experimental approach. The physical mechanisms which are responsible for the generation of side-jets, closely related to the three-dimensionalisation of the jet through the development of secondary instabilities, are as of yet not fully understood. As such, a better understanding of the mechanisms at play is a prerequisite for the design of an efficient control strategy to promote the mixing between the jet and ambient fluid.The objective of the numerical study is to identify the transient mechanisms which influence the growth of three-dimensional disturbances in the low-density round jet, specifically under the physical conditions in which side-jets appear. To that aim, a linear non-modal stability analysis was conducted over the non-linear evolution of a two dimensional axisymmetric Kelvin-Helmholtz vortex ring which develops in low-density round jets due to the Kelvin-Helmholtz primary instability.The stability analysis was implemented through further numerical development of the existing dalsa academic code. Through the use of a direct-adjoint optimisation method, we identify the spatial structure and temporal evolution of three-dimensional disturbances which yield the highest growth of generalised energy, as well as the underlying physical mechanisms and their relation to side-jets generation in low-density round jets at low Atwood numbers. In particular, we seek to bring a new perspective in order to settle between the two current hypotheses concerning the physical mechanisms at the origin of side-jets. The first hypothesis suggested by Monkewitz & Pfizenmaier (1991) relies on a velocity induction mechanism induced by the longitudinal counter-rotating vortex dipoles developing in the constant-density case. The second one is based on the three-dimensionalisation mechanism associated with longitudinal velocity streaks of opposite sign developing on either side of the hyperbolic stagnation point in the braid identified by Lopez-Zazueta et al. (2016) in the case of variable-density plane mixing layers.The numerical analysis is conducted in close relation to an experimental investigation of the structure of side-jets in a helium-air binary mixture round jet. The parameters used in the numerical analysis, such as the Reynolds number, the Atwood number and jet aspect ratio, are based on the operating conditions used in the experiment, allowing the theoretical predictions to be compared with the empirical evolution of the helium-air jet. To that aim, we conduct hot-wire anemometry measurements of the jet radial profile and frequency of the primary instability under several operating conditions to characterise the evolution of the governing parameters and relate the experimental conditions to the existing scientific literature.The objective of the experimental investigation is to study the structure of side-jets and their effect on the mixing of the jet and ambient fluids. To do so, we have designed and assembled a tomographic Background Oriented Schlieren (3DBOS) experimental bench. This bench is designed to observe the deviations of light-rays of the order of 0.5 mrad induced by the change in refractive index in the helium-air jet. The 3DBOS technique employed in this study provides novel reconstructions of three-dimensional density maps of the side-jets which develop over the helium-air jet. Through these novel density maps, we can provide new insight into the structure of side-jets and their induced mixing, and relate them to the predictions of the stability analysis
Bakulu, Natungadio Florian. « Analyse et modélisation de la dynamique de jets décollés en tuyère supersonique ». Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2019. http://www.theses.fr/2019ESMA0020.
Texte intégralThis thesis, conducted in collaboration with CNES and Pprime Institut, has the objective of enhancing the dynamic phenomena understanding present in supersonic rocket nozzle. These phenomena may cause lateral loads that can damage the nozzle.The study focused on an ideal nozzle geometry and 3 operating points. The work is based on the exploitation and analysis of experimental and numerical data. The experimental data come from a campaign carried out within the Pprime Institute involving measurements of wall pressure synchronized with measurements of velocity fields by PIV. In addition, a numerical part reproducing the experimental tests using high-performance numerical simulations based on hybrid RANS/LES approaches is carried out.The experimental and numerical data show a particular organization of the wall pressure fluctuations observed in some work whose origin remains unknown. The study shows that this organisation is also present in the velocity field of the jet where links with wall pressure have been established by correlation calculations. Numerical simulations show that such a coordination of the pressure field drives the lateral force dynamics. Some scenarios on the origin of this organised fluctuation are discarded by the use of reduced flow models
Piquet, Arthur. « Analyse physique et simulation numérique des phénomènes de décollement de jet dans les tuyères supersoniques ». Thesis, Normandie, 2017. http://www.theses.fr/2017NORMIR09/document.
Texte intégralThe present thesis, sponsored by a Franco-British cooperation program between the DGA and the DSTL, is devoted to the study of separation phenomenon in over-expanded nozzle. The aerothermodynamic of propulsion systems (missile, supersonic aircraft or launcher) is one the fields of fluid mechanics where important progress remains to be made in order to improve the performance of the engine, in terms of thrust, stability, reliability and pollutant (noise reduction, pollutant emissions, etc.). Since the flight conditions and the complexity of the characteristic phenomena are not reproducible on experimental benches, the use of numerical simulation would allow a thorough and precise study of the phenomena involved. The instationnarity observed in the separation of the boundary layer is becoming a main concern nowadays, especially the low-frequency phenomenon observed in some experiments, the use of large scale simulations (LES) would fit perfectly the computational power allocated on supercomputer compared to the prohibitive cost of direct simulations (DNS). Over-expanded nozzles are known to suffer from side loads, characterized by undesired unsteady forces orthogonal to the flow direction. They are caused by boundary-layer separation that causes significant and asymmetrical shock excursions within the nozzle. These phenomena have been studied experimentally and numerically. They emerge from a combination of complex unsteady flow phenomena, not yet fully understood, such as shock/boundary-layer interactions at the nozzle walls, detached mixing layers, and large regions of recirculating flow, all producing energetic motions at frequencies one or two orders of magnitudes lower than the characteristic frequency of the incoming turbulence. Capturing the phenomenon is a real challenge due to the need to resolve at least four decades of time scales, from the energetic scales of the incoming turbulence. This makes both direct (DNS) and wall-resolved large-eddy simulations (WR-LES) rather impractical. Instead, a wall-modelled LES (WM-LES) strategy is employed here, following the approach of Kawai & Larsson (2013) together with the eddy-viscosity modification of Duprat et al. (2011) so as to account for pressure gradients. The WM-LES is found to accurately reproduce the flow topology, as well as the spectral content obtained by a reference WR-LES. The development of a curvilinear code has allowed us to decrease the cost of computation of the simulations by using a stretched mesh close to the wall. The results obtained from the wall-modeled simulations (WM-LES) allowed us to capture and study the phenomena of instationnarity leading to the problem of side-loads. The WM-LES being about 40 times cheaper, the low-frequency motions may be statistically converged, enabling the study of the very low frequencies. The comparison of the modeled simulations with the resolved simulations and the experimental data confirms the good implementation of the model for LES computations of over-expanded nozzle flow. The characterization of the different phenomena is done through spectral analyses, carried out on the LES database allowing the highlight of the low-frequency phenomenon encountered in the over-expanded nozzle flow
Min, Jiesheng. « Comportement transitionnel et stabilisation de flammes-jets non-prémélangés de méthane dans un coflow d’air dilué en CO2 ». Thesis, Rouen, INSA, 2011. http://www.theses.fr/2011ISAM0005/document.
Texte intégralThis work focuses on the understanding of the behaviours of non-premixed methane flame inside an air coflow diluted by carbon dyoxide (CO2) or by other chemically inert diluents in order to discriminate different phenomena involved in dilution. Transitional phenomena (liftoff and extinction) quantified trough the stability limits, are analyzed trough representative physical quantities. The flame stability domain is limited by 3D-surfaces (liftoff and extinction) in the physical domain (Qdiluant/Qair (dilution level), Uair (air velocity), UCH4 (methane velocity)) revealing a competitive effect between aerodynamics and dilution. Generic diagrams of flame liftoff and extinction are proposed for all the diluents. Physical quantities related to flame stabilization process are all submitted to, regardless of diluent, self-similar laws. This is explained by flame burning velocity which is considered as the key element in the flame stabilization mechanism with air-side dilution
Livres sur le sujet "Side-Jets"
Rigney, Mark. Deaf side story : Deaf Sharks, hearing Jets, and a classic American musical. Washington, DC : Gallaudet University Press, 2004.
Trouver le texte intégralDeaf side story : Deaf Sharks, hearing Jets, and a classic American musical. Washington, D.C : Gallaudet University Press, 2003.
Trouver le texte intégralRigney, Mark. Deaf Side Story : Deaf Sharks, Hearing Jets, and a Classic American Musical. Gallaudet University Press, 2003.
Trouver le texte intégralBarrios, Richard. West Side Story : The Jets, the Sharks, and the Making of a Classic. Running Press, 2020.
Trouver le texte intégralBarrios, Richard. West Side Story : The Jets, the Sharks, and the Making of a Classic. Running Press, 2020.
Trouver le texte intégralWest Side Story : The Jets, the Sharks, and the Making of a Classic. Running Press, 2020.
Trouver le texte intégralOur story : Jets & Sharks : then and now. Denver, CO : Outskirts Press, 2011.
Trouver le texte intégralChapitres de livres sur le sujet "Side-Jets"
Abid, M., et M. E. Brachet. « Generation Of Side Jets In Forced Axisymmetric Jets ». Dans Instabilities and Nonequilibrium Structures IV, 333–38. Dordrecht : Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1906-1_33.
Texte intégralJiang, X., et K. H. Luo. « Dynamics of Transitional Noncircular Buoyant Reactive Jets with Side-Wall Effects ». Dans Direct and Large-Eddy Simulation IV, 189–96. Dordrecht : Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-017-1263-7_23.
Texte intégralPitts, William M., et Arthur W. Johnson. « Mixing Behavior of Absolutely Unstable Axisymmetric Shear Layers Forming Side Jets ». Dans Fluid Mechanics and Its Applications, 17–24. Dordrecht : Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5474-1_3.
Texte intégralRaghu, S., B. Lehmann et P. A. Monkewitz. « On the Mechanism of ‘Side-jet’ Generation in Periodically Excited Axisymmetric Jets ». Dans Advances in Turbulence 3, 221–26. Berlin, Heidelberg : Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84399-0_25.
Texte intégralSavary, C., B. Bertin, M. Lenaerts, I. El Ouamari et D. Bousmar. « Transverse Mooring Forces Due to Asymmetrical Filling in a Lock with Longitudinal Culverts and Side Ports ». Dans Lecture Notes in Civil Engineering, 724–35. Singapore : Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-6138-0_63.
Texte intégralOyallon-Koloski, Jenny. « Agency, Control, and Space ». Dans Storytelling in Motion, 56–88. Oxford University PressNew York, 2024. http://dx.doi.org/10.1093/oso/9780197602669.003.0004.
Texte intégralGennaro, Liza. « Taking the Reins ». Dans Making Broadway Dance, 106–44. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780190631093.003.0006.
Texte intégralGodbold Jr., E. Stanly. « The Tightrope to Peace ». Dans Jimmy and Rosalynn Carter, 222—C15.P53. Oxford University PressNew York, 2022. http://dx.doi.org/10.1093/oso/9780197581568.003.0016.
Texte intégralHeller, Joseph. « Johnson, Israel and the Cold War : testing the Memorandum of Understanding (1965–67) ». Dans The United States, the Soviet Union and the Arab-Israeli Conflict, 1948-67. Manchester University Press, 2016. http://dx.doi.org/10.7228/manchester/9781526103826.003.0014.
Texte intégralActes de conférences sur le sujet "Side-Jets"
Tinklenberg, Amy, Bryan Tierney et David J. Forliti. « The Structure of Side Jets in Globally-Unstable Round and Elliptical Jets ». Dans AIAA Scitech 2019 Forum. Reston, Virginia : American Institute of Aeronautics and Astronautics, 2019. http://dx.doi.org/10.2514/6.2019-1876.
Texte intégralOrrala, Carlos, et Hamid Rahai. « Experimental Investigations of Two Side-by-Side Jets in a Cross Flow ». Dans 42nd AIAA Aerospace Sciences Meeting and Exhibit. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2004. http://dx.doi.org/10.2514/6.2004-1109.
Texte intégralBunsirisert, Kelvin, Carlos Orrala et Hamid Rahai. « Profiles of Two Elevated Side-by-Side Turbulent Jets in a Cross Flow ». Dans 43rd AIAA Aerospace Sciences Meeting and Exhibit. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-1062.
Texte intégralPhan, Andy, Khalil Kairouz, Carlos Orrala et Hamid Rahai. « Profiles of Two Side-by-Side Jets with Different Momentum Ratios in a Cross Flow ». Dans 35th AIAA Fluid Dynamics Conference and Exhibit. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-5155.
Texte intégralCao, Yu-chun, et Zheng-wei Wang. « Research on Combustion Characteristics of a Jet Flame With Penetration of Side Micro-Jets ». Dans ASME 2011 Power Conference collocated with JSME ICOPE 2011. ASMEDC, 2011. http://dx.doi.org/10.1115/power2011-55440.
Texte intégralKaneda, Yasuhiro, et Akinori Muramatsu. « Effects on Momentum Thickness and Density Ratio for Side-Jet Formation in Round Jets With Variable-Density ». Dans ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-21004.
Texte intégralZhenchao, Wang, Yang Lingyu, Zhang Jing et Shen Gongzhang. « Integer programming based optimal side jets ignition combination for advanced missile attitude control ». Dans 2014 26th Chinese Control And Decision Conference (CCDC). IEEE, 2014. http://dx.doi.org/10.1109/ccdc.2014.6852833.
Texte intégralKobayashi, Nobuhiro, Koichi Nishibe, Yusuke Watabe, Kotaro Sato et Kazuhiko Yokota. « Study on Flow Around a Rectangular Cylinder With an Asymmetric Slot for Synthetic Jets ». Dans ASME 2016 Fluids Engineering Division Summer Meeting collocated with the ASME 2016 Heat Transfer Summer Conference and the ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/fedsm2016-7647.
Texte intégralArai, Norio, et Jun-Ho Hong. « Active control of aerodynamic forces by inhalation side-jets - Freely vibrating square-section cylinder ». Dans Fluids 2000 Conference and Exhibit. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2000. http://dx.doi.org/10.2514/6.2000-2342.
Texte intégralBohn, Dieter E., et Karsten A. Kusterer. « Aerothermal Investigations of Mixing Flow Phenomena in Case of Radially Inclined Ejection Holes at the Leading Edge ». Dans ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/99-gt-198.
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