Academic literature on the topic 'Non circular jet'

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Journal articles on the topic "Non circular jet"

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Manivannan, Ponnambalam, and Banbla Sridhar. "Characteristic study of non-circular incompressible free jet." Thermal Science 17, no. 3 (2013): 787–800. http://dx.doi.org/10.2298/tsci110208116m.

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This paper reports an experimental investigation of bulk properties of turbulent, which is three dimensional, incompressible, air jets issuing into still air surrounding from the nozzles. The jet orifices utilized included circular, hexagonal and cruciform geometries. Experimental results of pertinent mean flow properties such as axis velocity decay, half width growth, potential core and turbulence intensities are reported. Single Hotwire anemometer was used for measurements of the velocity field. The experiment for the three jets was conducted under the same nominal conditions with the exit R
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Jiang, Yue, Hong Li, Lin Hua, Daming Zhang, and Zakaria Issaka. "Experimental Study on Jet Breakup Morphologies and Jet Characteristic Parameters of Non-circular Nozzles under Low-intermediate Pressures." Applied Engineering in Agriculture 35, no. 4 (2019): 617–32. http://dx.doi.org/10.13031/aea.13291.

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Abstract. A High-Speed Photography (HSP) technique was used to investigate the breakup process and flow behavior of low-intermediate pressure water jets issued from square and triangular shaped nozzles. The non-circular orifices were designed based on the principle of equal flowrate with the same pressure in relation to the circular orifice. The breakup morphologies and boundary structures of the jets were studied under different nozzles and working pressures. Two forms of droplet formation and the process of droplet formation, in addition to the jet breakup lengths, initial amplitudes of surf
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Balakrishnan, P., and K. Srinivasan. "Impinging jet noise reduction using non-circular jets." Applied Acoustics 143 (January 2019): 19–30. http://dx.doi.org/10.1016/j.apacoust.2018.08.016.

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Hua, Lin, Hong Li, and Yue Jiang. "Axis-Switching Behavior of Liquid Jets Issued from Non-Circular Nozzles Under Low-Intermediate Pressure." Applied Engineering in Agriculture 37, no. 2 (2021): 367–78. http://dx.doi.org/10.13031/aea.14245.

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HighlightsThe flow behavior of water jets discharged from different orifices was investigated.High-speed photography (HSP) was used to obtain surface structures and spread characteristics of water jets.The deformation process in axis switching related to the corner vortices effect of non-circular jets was researched by numerical simulation.The axis switching of non-circular jets enhances entrainment ability of the jet.ABSTRACT. Low-intermediate pressure sprinkler irrigation systems are important research topics in the field of water-saving irrigation. Non-circular nozzles improve spray uniform
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Jiang, Yue, Hong Li, Chao Chen, Lin Hua, and Daming Zhang. "Hydraulic Performance and Jet Breakup Characteristics of the Impact Sprinkler with Circular and Non-circular Nozzles." Applied Engineering in Agriculture 35, no. 6 (2019): 911–24. http://dx.doi.org/10.13031/aea.13268.

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HighlightsThe hydraulic performance of the impact sprinkler with circular and non-circular nozzles were measured.A High-Speed Photography (HSP) technique was employed to extract the jet breakup process of the impact sprinkler.Two index equations of jet characteristic lengths and equivalent diameters of non-circular nozzles were fitted. Abstract. An experiment was carried out to investigate the hydraulic performance of an impact sprinkler by using circular and non-circular nozzles. A High-Speed Photography (HSP) technique was employed to extract the breakup process and flow behavior of low-inte
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Manigandan, S., and K. Vijayaraja. "Energy decay characteristics of a non-circular supersonic jet." International Journal of Ambient Energy 40, no. 8 (2018): 854–57. http://dx.doi.org/10.1080/01430750.2018.1437558.

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Li, Zhi-wei, Yang Xiao, and Hong-wu Tang. "Mixing of a non-circular jet into a counterflow." China Ocean Engineering 29, no. 1 (2015): 91–104. http://dx.doi.org/10.1007/s13344-015-0007-1.

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Kito, Mizuki, Takahiro Fujimatsu, and Kunikazu Kondo. "Orifice Jet Control Using Sub-Flows Issuing from Circular and Non-Circular Openings." Flow, Turbulence and Combustion 102, no. 2 (2018): 345–53. http://dx.doi.org/10.1007/s10494-018-9969-4.

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Scholler, Marek, and Udo Fritsching. "Oscillating Jet Flow in Enclosures with Non-circular Cross Section." International Journal of Flow Control 1, no. 2 (2009): 167–73. http://dx.doi.org/10.1260/175682509788913308.

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Wang, Fujun, and Tiegang Fang. "Liquid jet breakup for non-circular orifices under low pressures." International Journal of Multiphase Flow 72 (June 2015): 248–62. http://dx.doi.org/10.1016/j.ijmultiphaseflow.2015.02.015.

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Dissertations / Theses on the topic "Non circular jet"

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Tasar, Gursu. "Experimental Investigation Of Near And Far Field Flow Characteristics Of Circular And Non-circular Turbulent Jets." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12610256/index.pdf.

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The atomization problem of high speed viscous jets has many applications in industrial processes and machines. In all these applications, it is required that the droplets have high surface area/volume ratio meaning that the droplets should be as small as possible. This can be achieved with high rates of turbulence and mixing of the flow. In order to constitute a foresight of geometry eects on droplet size, experimental investigation and the determination of flow characteristics in near and far fields of a low-speed air jet have been performed. In order to fulfill this task, three components of
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Danielsson, Rebecka, and Ida Briland. "The shape transformation to a circular form of a fluid jet exiting a non-circular orifice of a nozzle." Thesis, KTH, Materialvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-189643.

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Nozzles are used in a wide range of applications. Nevertheless, the geometric of non-circular orifices have not been widely studied. This project has examined fluid jets exiting through a non-circular orifice, in the gravitational direction. Furthermore, its transformation to a circular cross-section due to a surface tension forces. How the length to a circular cross-section changes with the nozzles geometry and bath depth of the tundish was the main focus of this studied. A water model and high-speed camera was used to capture the profile of the fluid jet. Four different nozzles were attached
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Aloqaily, Arafat. "Interaction between two non-parallel jets in a confined circular duct." 2004. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=81016&T=F.

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Books on the topic "Non circular jet"

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Experiments in dilution jet mixing effects of multiple rows and non-circular orifices. National Aeronautics and Space Administration, 1985.

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Aloqaily, Arafat. Interaction between two non-parallel jets in a confined circular duct. 2004.

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Book chapters on the topic "Non circular jet"

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Jiang, Zonglin, and Kazuyoshi Takayama. "Numerical Simulations of Shock/ Vortex Interaction in Non-Circular Jets." In Computational Fluid Dynamics 2000. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56535-9_24.

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Conference papers on the topic "Non circular jet"

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Boopathi sabareesh, V., K. Srinivasan, and T. Sundararajan. "Screech Tone Suppression in Non Circular Twin Jet." In ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30472.

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The acoustic characteristics of twin jet screech tone is studied for various jet configurations such as both square and diamond. The measurement is carried out along the jet direction for various angles at two different planes using a microphone and the jet flow visualization is done by the shadowgraph technique. It is observed that the screech tone suppression is taken place for diamond jet configuration for the small jet spacing S = 0.5. By comparing the directivity pattern of twin jets with single jet, it is found that the twin jet behave as a single jet at higher nozzle pressure ratio.
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Gogineni, Sivaram, Jason Bitting, and Dimitris Nikitopoulos. "Visualization and DPIV measurements of non-circular coaxial jet flows." In 38th Aerospace Sciences Meeting and Exhibit. American Institute of Aeronautics and Astronautics, 2000. http://dx.doi.org/10.2514/6.2000-660.

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Hasegawa, Hiroaki, Kazuo Matsuuchi, and Yasuhiro Komatsuzaki. "Suppression Effect of Vortex Generator Jets With Non-Circular Orifices on Separating Flow." In ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45189.

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Jets issuing through small holes in a wall into a freestream have proven effective in the control of boundary layer separation. Longitudinal (streamwise) vortices are produced by the interaction between the jets and the freestream. This technique is known as the vortex generator jet method of separation or stall control because it controls separation in the same general way as the well-known method using solid vortex generators. The vortex generator jet method is active control of flow separation that has the ability to provide a time-varying control action to optimize performance under wide r
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Wang, Wenxi, and Roger Khayat. "Non-Circular Hydraulic Jump For Impinging Jet Flow For High-Viscosity Liquids." In Canadian Society for Mechanical Engineering International Congress (2021 : Charlottetown, PE). University of Prince Edward Island. Robertson Library, 2021. http://dx.doi.org/10.32393/csme.2021.76.

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HOLDEMAN, J., R. SRINIVASAN, E. COLEMAN, G. MEYERS, and C. WHITE. "Experiments in dilution jet mixing - Effects of multiple rows and non-circular orifices." In 21st Joint Propulsion Conference. American Institute of Aeronautics and Astronautics, 1985. http://dx.doi.org/10.2514/6.1985-1104.

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Ge, Bing, Shu-Sheng Zang, and Xin Gu. "Experimental Study on Velocity Characteristic Distribution in Non-Premixed Circular-Disc Stabilized Flames." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-27098.

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Experiments have been performed to investigate the characteristic modes and structures of non-premixed circular-disc stabilized flames under different operation conditions, and a combustion regime diagram between recirculation zone flame and central-jet dominated flame was presented. By PIV technique, the experiment measured the velocity distributions of the non-premixed circular-disc stabilized flames with different fuel jet to annular air flow velocity ratios, and the characteristic modes and structures were observed. The results show the fuel jet to airflow velocity ratio is a controlling p
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Dano, Bertrand P. E., and James A. Liburdy. "Structure Detection and Analysis of Non-Circular Impinging Jets in a Semi-Confined Array Configuration." In ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ht-fed2004-56265.

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The modal kinetic energy distribution and instantaneous vortex field of an impinging confined jet array is investigated. The jet array consists of 7-by-7 equally spaced orifice nozzles, using two nozzle cross sections: circular and cusped ellipse. Digital Particle Image Velocimetry (DPIV) is used to determine the velocity field of the impinging jets along the center row in the plane parallel with the cross flow direction. Proper Orthogonal Decomposition (POD) and vortex detection algorithms are used to analyze the results of 50 instantaneous velocity fields in the impingement regions for each
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Ishii, Michiharu, Xiao Feng Yang, Masaharu Matsubara, Yoshiaki Tsuchiya, and Takashi Yoshida. "Experimental Study of a Rectangular Jet Impinging on a Circular Cylinder." In ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45195.

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It was known that development of a jet from a rectangular orifice could be divided into three regions, which are 1) potential core region 2) characteristic decay region and 3) axisymmetric decay region. When a circular cylinder is placed in the rectangular jet, characteristic separation occurs around the cylinder and shapes of non-separation area on the cylinder are distinguished with the streamwise position of the cylinder. This flow geometry can be frequently seen in the industrial applications and drag and heat transfer of the cylinder would be important for the designs. In this study the r
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Jiang, Yue, Hong Li, Daming Zhang, and Lin Hua. "Comparative studies on jet breakup morphologies of non-circular nozzles by using high-speed photography technique." In 2019 Boston, Massachusetts July 7- July 10, 2019. American Society of Agricultural and Biological Engineers, 2019. http://dx.doi.org/10.13031/aim.201900455.

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Kimiaghalam, M., and M. Passandideh-Fard. "A Numerical Study on Flow Characteristics of 2D Vertical Liquid Jet Striking a Horizontal Surface." In ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-25136.

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We studied numerically impingement of vertical liquid jets of moderate Reynolds number for both Newtonian and non-Newtonian liquids to clarify the structure formation of circular hydraulic jump and the phenomenon of jet buckling. First, we have studied the hydraulic jump characteristics and governing parameters for a laminar water jet. Moreover, different types of hydraulic jump have been investigated by varying the height of a circular wall around the bed in flow downstream. The results show that a circular hydraulic jump has two kinds of steady states which can be reached by changing wall he
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