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  • EFFECT OF COLLAR AND BEVEL ANGLE IN MIXING

    2011-5-11 · Jet pump plays a major role in transporting materials. The efficiency of jet pump is poor and it usually has a sharp peak in the efficiency–discharge ratio curve. These are undesirable. In the past, experiments were conducted to understand the functioning of each component of the jet pump.

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  • EXPERIMENTAL AND STATISTICAL ANALYSIS ON THE

    2021-6-9 · 1Department of Mechanical Engineering, National Institute of Technology Patna, India 2Department of Mechanical Engineering, Motilal Nehru National Institute of Technology Allahabad, India Abstract: The present work focuses on the effect of nozzle collar exit inclination on the mixing characteristics of Mach 1.76 jet in both design and off-design

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  • Numerical Analysis Of Turbulence Mixing By Shockwave ...

    To improve the efficiency of the air-jet during weft insertion and to reduce air consumption, a better air jet nozzle design was developed by Ishida and Okajima [1,2], and also by Jeong et al. [3].

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  • Numerical Analysis of Flow and Heat Transfer through a ...

    2016-8-10 · Experimental and statistical analysis […] reduction using Chevron nozzle in supersonic free jet 25 The effect of nozzle pressure ratio and No. of Chevrons on noise level is shown in Fig.2. The results were plotted for three different nozzle pressure ratios(2.5, 3,and 3.5) and No. of chevrons (0, 10, and 14) at the exit of the CD-nozzle.

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  • Numerical Analysis of Fuel Spray Angle on the Emission ...

    2019-7-12 · 3+, turbo machinery is no longer useful, and ram-style compression becomes the preferred method. Ramjets utilize high speed characteristics of air to literally ‘ram’ air through inlet nozzle into the combustor. At transonic and supersonic flight speeds, the air upstream of the nozzle …

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  • Analysis of effect of injection pressure on emissions of ...

    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 text...

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  • Design Development and Manufacturing of Air Intake

    2009-8-24 · Whelan, BP, & Robinson, AJ. 'The Effect of Nozzle Geometry on Pressure Drop and Heat Transfer to Free Surface Liquid Jet Arrays.' Proceedings of the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference.

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  • Design Development and Manufacturing of Air Intake

    ASME 2015 Gas Turbine India Conference December 2–3, 2015 Hyderabad, India ... PDF. Topics: Axial flow , Blades ... (Dynamics) , Geometry , Reynolds-averaged Navier–Stokes equations , Rotors , Steady state . Computational Analysis of Effect of Circumferential Groove Casing Treatment With Different Axial Coverage Over Rotor Blade Tip Chord ...

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  • Lean Combustion Technology for Internal Combustion

    Select Volume. ASME 2013 Gas Turbine India Conference. ASME 2013 Gas Turbine India Conference. December 5–6, 2013. Bangalore, Karnataka, India. Conference Sponsors: International Gas Turbine Institute. ISBN: 978-0-7918-5616-1.

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  • Optimization of Process Parameters in MIG Welding of

    Nozzle diameter (d) of 2 cm is fixed as constant, nozzle-to-plate spacing (H) of 4cm is used for validation and 8cm for all the other simulations. The jet flow is in the range of fully turbulent flow with Reynolds number of 23,000. Grid independent study reveals each model has its own style of dependency.

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  • CFD Analysis of Nozzle Jet Plume Effects on Sonic Boom ...

    An axisymmetric full Navier-Stokes computational fluid dynamics study is conducted to examine nozzle exhaust jet plume effects on the sonic boom signature of a supersonic aircraft. A simplified axisymmetric nozzle geometry, representative of the nozzle on the NASA Dryden NF-15B Lift and Nozzle Change Effects on Tail Shock research airplane, is considered.

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  • Impact of Jet Reynolds Number and Feed Channel

    2011-5-9 · the effect of inclination of an impinging air jet on heat transfer characteristics. Roy and Patel [7] studied the effect of jet angle impingement on local Nu and nozzle to target plane spacing at different Re. Ekkad et al [8] studied the effect of impinging jet angle ±45 on …

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  • Jet Impingement Heat Transfer: Physics, Correlations, and ...

    2011-5-31 · The same air canbe routed to a perforated internal wall to form ... The jet emerges from a nozzle or opening with a velocity and temperature profile and turbulence characteristics dependent upon the upstream flow. For a pipe-shaped nozzle, also called a tube nozzle ... effect of the wall upstream. The nonuniform turning flow experiences high

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  • Effect of Tabs on the Flow and Noise Field of an ...

    2019-12-18 · when two tabs were located 180 deg apart at the jet nozzle exit. They also observed two high velocity cores on either side of the jet centerline on a plane normal to two tabs. For a subsonic jet, the effect of the tabs is much more pronounced than that produced by other mixing enhancement techniques such as periodic forcing.

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  • Effect of nozzle-exit conditions on the near-field ...

    Furthermore, one has to point out that the stability of jets may be influenced by the turbulence in the nozzle and the velocity profile. This work presents the experimental result about the effect of the nozzle length on the breakup length of liquid jets in the air and in the immiscible liquid, as the beginning of a systematic investigation of the influence by these factors on the breakup of jet.

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  • Effect of Nozzle Length on Breakup Length of Liquid Jet ...

    Figure 5.9 Dual Nozzle Jet Penetration and Liquid Trapped % with Adjusted Velocities for Evaporation - 'The Effect of Scale on Spray Nozzle Performance'

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  • Figure 5.9 from The Effect of Scale on Spray Nozzle ...

    effect on the jet impact energy and the highest reduction of the impact energy was found at the centre of the jet impact area [25]. However, there is little understanding of stagnation formation and its effect on the jet impact process, particularly under ultrahigh pressure, ultrahigh pressure conditions rele-vant to …

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  • Impact characteristics and stagnation formation on a

    Nozzle diameter (d) of 2 cm is fixed as constant, nozzle-to-plate spacing (H) of 4cm is used for validation and 8cm for all the other simulations. The jet flow is in the range of fully turbulent flow with Reynolds number of 23,000. Grid independent study reveals each model has its own style of dependency.

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  • KANNAN B T | SRM UNIVERSITY - Academia.edu

    2021-3-4 · more air for combustion which can be achieved by increase in mass flow rate, but the 20mm restrictor area being less, air has to pass with very high velocity to fill the engine with required amount of air. The main purpose of 20mm restrictor in intake manifold is to restrict mass flow passing to the engine thus reducing its maximum power.

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  • Lean Combustion Technology for Internal Combustion

    2012-2-1 · chamber geometry and its location were investigated. It was found that varying the rate of swirl of the charge would have a significant effect on the octane requirement, fuel economy and exhaust emissions. The optimum s wirl ratio was found to be 0.3. It made very little difference with the …

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  • Air Atomizing Spray Nozzles - Products

    No Drip Internal Mix Air Atomizing Spray Nozzle. - perform like Internal Mix Atomizing Nozzles but have the added benefit of positively stopping liquid flow when the compressed air is shut off. They mix liquid and compressed air inside the nozzle to provide fine atomization. They can be used with liquids that have a viscosity up to 300 cP.

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  • Pressure Relief Valve Engineering Handbook

    2015-3-6 · equipped with a nozzle ring which can be adjusted to vary the geometry of the control chamber to meet a particular system operating requirement (Figures F2-2 and F2-3). Liquid Trim Designs For liquid applications, Crosby offers a unique, patented liquid trim design designated as Style JLT-JOS or JLT-JBS. See Figure F2-4 showing liquid trim ...

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  • Lean Combustion Technology for Internal Combustion

    2012-2-1 · Lean burn is an effective way to improve spark ignition engine fuel economy. Lean combustion is generally considered as a timely solution to the more stringent environmental regulations and global weather concerns in the new era. However, the instability associated with the lean flame significantly keeps the lean combustion technique from being widely accepted as a major combustion technique ...

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  • 5AE2A: DYNAMICS OF MACHINES

    2015-6-7 · Engine emissions and air pollution: Constituents of engine exhaust responsible for air pollution and their effect on human health, ozone layer depletion and global warming, Photochemical smog, greenhouse gases, Kyoto protocol and carbon trading. 3 Formation of Pollutants: Combustion generated and other pollutants,

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  • IJRE ORG | International Journal of Research and ...

    The researchers such as Guang Xu et al. (2017), Raase and Nordström (2015), and Frigg et al. (2009) concluded that CFD is the science of the future as it cares in all aspects of life in the present and the future, CFD science treats the fluids mainly the air and the water as good and bad, bad when the CFD tries to find a way through the air ...

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  • Pump Troubleshooting - Problems and Failures | Pumps &

    2011-12-17 · As the liquid enters the pump through the suction nozzle, the pressure drops slightly. The amount of reduction will depend on the geometry of that section of the particular pump and will vary from pump to pump. The liquid then moves into the eye of the rotating impeller where an even more significant drop in pressure occurs.

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  • Types of mounting of cylinders - HAWE Hydraulics India

    Types of mounting of cylinders. In the types of mounting of cylinders a differentiation is made between four basic forms (Figure B 4): Flange mounting: The flange can be attached to the head (item a) or to the base (b). In a, position B, the fastening screws must absorb the force from the piston, in a, position A, on the other hand only the ...

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  • Tejas Pant, Ph.D. - Director of AI Research - Accrete ...

    • Investigated effect of nozzle geometry, compressibility, pre-chamber pressure build up, volume ratio of main chamber to pre-chamber on flammaibility limit 5. Direct Numerical Studies of ...

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  • Types of Agitators, Agitator's Design and Significance ...

    2021-8-2 · Agitation is the process of keeping a mixture that has been mixed in the proper mixed state required for the 'end' product. Mixing refers to the actual stirring of different liquids and/or materials to blend them together into an end product or mixture. Once this mixture is 'mixed' it may require agitation to keep the mixture in the proper 'mixed' state.

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