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  • Effect of Nozzle Geometry on Air-Jet Texturing Performance

    'Effect of Nozzle Geometry on the Flow Charact eris tics of Small W ater Jets', Proceedings of the Institution of Mechanical Engineers, Part C, Journal of M echanical Engineering Science, Vol. 220 ...

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  • [PDF] The effect of nozzle geometry on the flow ...

    DOI: 10.1243/0954406JMES430 Corpus ID: 55945825. The effect of nozzle geometry on the flow characteristics of small water jets @article{Ghassemieh2006TheEO, title={The effect of nozzle geometry on the flow characteristics of small water jets}, author={E. Ghassemieh and H. Versteeg and M. Acar}, journal={Proceedings of the Institution of Mechanical Engineers, Part C: Journal of …

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  • (PDF) Effect of nozzle geometry on pressure drop and heat ...

    Effect of nozzle geometry on pressure drop and heat transfer in submerged jet arrays ... Download Free PDF. ... Influence of the shape of the nozzle on local heat transfer distribution between smooth flat surface and impinging air jet. By Vadiraj Katti. Single-Phase Microscale Jet …

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  • Effect of Nozzle Geometry on Air-Jet Texturing Performance ...

    2018-2-17 · This paper systematically investigates the effect of a number of geometric parameters on the texturing performance of air-jet texturing nozzles. In order to facilitate the research, an air-jet …

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  • The Effect of Nozzle Geometry on Pressure Drop and Heat ...

    The 3.0 mm thick jet nozzle plate contained 45 individual jets of 1mm diameter with 5 mm spacing between each jet. The arrays impinged onto a copper surface of 31.5 mm diameter, which dissipated approximately 200 W of heat. The inlet and outlet geometries of the jets were varied with a view of determining an optimal configuration with regards ...

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  • Effects of nozzle-inlet chamfering on pressure drop and ...

    Download PDF Download. International Journal of Heat and Mass Transfer. Volume 43, Issue 7, ... The effect of changing the nozzle geometry on the pressure drop and local heat transfer distribution in confined air jet impingement on a small heat source was experimentally investigated. Heat transfer and pressure drop measurements obtained with ...

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  • The Effects of Nozzle Diameter on Impinging Jet Heat ...

    2003-12-16 · This may be attributed to an increase in the jet momentum and turbulence intensity level with the larger nozzle diameter, which results in the heat transfer augmentation. In the mean time, the effect of the nozzle diameter on the local Nusselt numbers is negligibly small at the wall jet region corresponding to r d > 0.5 .

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  • Effect of a Wedge on Coannular Jet Noise

    2006-5-18 · The effect of the wedge is the focus of the present paper. The wedge cases tried in the UCI experiment were limited. There could be ma ny variations of the wedge geometry, e.g., half -angle, base width relative to nozzle perimeter, shape of the side walls, etc.

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  • Research on geometrical parameters effect of fan nozzle ...

    2018-11-15 · The pressure-inlet, pressure-outlet and wall of nozzle jet were defined by Grigore et al. , in which the mesh of nozzle fluid area was formatted and structured by Gambit. Khan researched the effects of nozzle geometry on air flow jet in an enclosed space. He connected the jet area to the nozzle outlet and built up a model of nozzle jet.

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  • The effect of air swirl profile on the instability of a ...

    E ect of air swirl pro le on viscous jet instability 3 Liquid r Swirling air x a 0 W g U g U l g Figure1.A liquid jet surrounded by swirling air. More importantly, the flow conditions considered in these studies are quite di erent from those involved in practical fuel injection processes of combustion engines, and air swirl and swirl pro le e ...

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  • IEEE TRANSACTIONS ON PLASMA SCIENCE, VOL. 32, NO. 2,

    2019-4-29 · thalpy probe method. Two types of anode nozzle geometry, i.e., cylindrical and stepped nozzles, are employed for the torch in this experiment. As a result of gas composition measurements, the new stepped nozzle turns out to produce a thermal plasma jet having lower air content in it compared with the conventional cylindrical nozzle.

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  • Influence of Nozzle geometry on spray shape, particle size ...

    DOI: 10.1243/0954406JMES430 Corpus ID: 55945825. The effect of nozzle geometry on the flow characteristics of small water jets @article{Ghassemieh2006TheEO, title={The effect of nozzle geometry on the flow characteristics of small water jets}, author={E. Ghassemieh and H. Versteeg and M. Acar}, journal={Proceedings of the Institution of Mechanical Engineers, Part C: Journal of …

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  • An Investigation of the Inuence of Nozzle Aspect Ratio on ...

    2019-8-15 · A fully structured 2-D axis-symmetric mesh is used to model the geometry. Fig. 1 (a), (b), (c) and (d) provides the dimensions for the nozzles. A description of the boundary conditions is given in Table 1 and Fig. 2, these conditions are within the range of typical operating conditions for a SHVOF thermal spray [].The gas phase is solved for using a QUICK scheme for the convective …

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  • EVALUATION OF BOATTAIL GEOMETRY AND EXHAUST

    2018-2-23 · This study investigates the effect of nozzle geometry on the intermingling process. The dimensions of intermingling nozzles with single air inlets extended across the width of a rectangular yam channel are systematically varied. Nozzles with this cross-sectional shape prove to be easy to manufacture and efficient at intermingling.

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  • Plant Engineering & Construction Division

    Peng X, Zhao M, Yuan M and Wang Z (2020) Solution Anode Glow Discharge Optical Emission Spectrometry: Volatile Hydride Introduction from the Gas Jet Nozzle Cathode for Ultrasensitive Determination of Lead, Talanta, 10.1016/j.talanta.2020.121995, (121995), …

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  • Sundstrand Aps 2000 Manual

    2021-3-30 · 840 million people living in rural areas across the world lack access to electricity, creating a large imbalance in the development potential between urban and rural areas. Pico-hydropower offers a cost-effective way of accessing electricity, where the resource exists. This paper discusses and critically examines several challenges that remain in implementing pico …

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  • THE EFFECT OF SECOND THROAT GEOMETRY ON THE

    The nozzle aspect ratio has a more significant effect on the near-field jet stream characteristics for both fluids than the orifice inlet shape. Longer nozzles (l /d = 20) form more stable jet streams and delay the breakup of sheets, leading to greater breakup length than that attained with shorter nozzles (l /d = 5). For similar Reynolds ...

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  • Mixing Process in a Lobed Jet Flow - Iowa State University

    2011-9-2 · The effect of a nozzle’s internal geometry was studied experimentally to determine the breakup of the emitted water jet when it was injected perpendicularly into a quiescent atmosphere or a subsonic air crossflow. The nozzle’s diameter, nominal surface roughness, length-to-diameter ratio and contraction angle were varied, together with the ...

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  • Effect of Wedge-Shaped Deflectors on Flow Fields of Dual ...

    2018-6-10 · AbstractReynolds-Averaged Navier-Stokes simulations have been performed to investigate the effect of nozzle geometry on the turbulence characteristics of incompressible fluid flow through nozzles at Reynolds number of approximately 50,000. Four nozzles have been considered: a baseline nozzle and three modified nozzles (extended, grooved and ringed).

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