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  • Effect of impact force for dual-hose dry blasting nozzle ...

    2020-2-18 · Dry ice blasting plays an essential role in today’s cleaning industry, where many industry players have used it after realizing its advantages. The disadvantage of dry ice blasting is relatively small kinetic energy and offer less aggressive clean effect, especially for dual-hose nozzle geometry. This project was mainly to study the impact force of nozzle geometry of dry ice blasting ...

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  • Influence of nozzle area ratio on the gas-particle flow ...

    2020-4-30 · In this paper, a numerical study was performed to examine the effect of divergent nozzle length of single-hose dry ice blasting on the development of acoustic power level. The active working medium is the mixture of solid dry ice particles and compressible air fluid at the inlet section. The two-dimensional planar model was solved using the finite volume method. The model has been verified ...

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  • Influence of inlet pressure and geometric variations on ...

    2021-4-16 · Primary nozzle geometry, position and corresponding influence on performance (critical back pressure, entrainment ratio, pressure distribution, etc) were studied by Ariafar & Toorani (2012), Behtash et al. (2011), Sharifi & Sharifi (2013), Seckin (2018), Xu et. al. for application in the refrigerant system and air-jet …

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  • Fluidic mechanism for dual-axis gyroscope

    2018-2-17 · nozzle for the subsequent circulation. The insets illustrate shapes of rectifying nozzle, driving channel, and jet shaping nozzle. At the junction of the nozzle, the cross-section of the two opposite inlets is designed larger than one of the outlets, which yields a lower fluidic resistance at …

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  • Particle precipitation by bipolar corona discharge ion winds

    2018-7-28 · 34 depends on the air jet characteristics the nozzle geometry and the particlesuch as diameter [6–8]s’. Several 35 commercial devices using this technique include Coriolis® μ air sampler [9] and Bio -sampler [10]. For the filtration 36 method, particles are collectedby driving air through a membrane of [11–14]. Similar to the high density

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  • STUDY ON HEAT TRANSFER AND FLOW VISUALIZATION

    An appropriate configuration of cooling jet and target plate geometry helps in optimizing an efficient heat-transfer design. This part of research investigation is an experimental study carried out over wide range of parameters: the Reynolds number Re from 1589.5 to 5881.6, the relative nozzle …

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  • A new structure of Tesla coupled nozzle in synthetic jet ...

    2020-11-1 · The present technique is based on the combination of the nozzle-diffuser and a Tesla element to rectify the synthetic jet. The new structure called Tesla coupled nozzle (TCN) enhances the rectifying effect owing to a created side channel that can attenuate and/or block the reversed flow while the chamber draws liquid into the pump.

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  • A circulatory ionic wind for inertial sensing application

    2019-6-27 · when going through a nozzle of the main chamber entrance and create a jet flow. In the anew configuration, the residual charge of ion wind flow is removed by a master-ring electrode located at one end of the main chamber. Under the effect of the angular speed of gyroscope, the jet flow is deflected and this deflection is sensed using hotwires.

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  • (PDF) Optimizing Replaced Nozzle Diameter of Abrasive ...

    2020-6-4 · The blasting technique has been broadly utilized to prepare new surfaces for painting, engraving, etc., in industry. In fact, the minimization of the cleaning cost system is essential.

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  • CRN Application to Predict the NOx Emissions for ...

    2015-11-13 · CRN Application to Predict the NOx Emissions for Industrial Combustion Chamber Nguyen Thanh Hao 1 and Park Jungkyu2 1Industrial University of HoChiMinh City, 12, NguyenVanBao, GoVap, HoChiMinh, Vietnam 2Depatment of Mechanical Engineering, Konkuk University, 120 Neungdong, Gwangjin, Seoul, Korea Email: [email protected] (Received on 15 March 2013 and accepted on 15 May 2013)

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  • Particle precipitation by bipolar corona discharge ion winds

    2018-7-28 · 34 depends on the air jet characteristics the nozzle geometry and the particlesuch as diameter [6–8]s’. Several 35 commercial devices using this technique include Coriolis® μ air sampler [9] and Bio -sampler [10]. For the filtration 36 method, particles are collectedby driving air through a membrane of [11–14]. Similar to the high density

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  • Particle precipitation by bipolar corona discharge ion ...

    2018-10-1 · Meanwhile in the impingement scheme, a flow of particles is channelled to a collection chamber through nozzles of an air jet. The number of collected particles depends on the air jet characteristics such as the nozzle geometry and the particles’ diameter (Grinshpun et al., 1997, Han and Mainelis, 2012, Lin et al., 1997).

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  • Analysis of an Ar plasma jet in a dielectric barrier ...

    2019-6-28 · The jet length was measured from the nozzle exit to the jet tip by a ruler placed parallel to the plasma jet. ... the effect of power frequency along with applied voltage on the plasma jet was examined and is shown in ... The interaction between the Ar plasma jet and the ambient air resulted in strong lines of N 2 in the second positive ...

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  • Experimental investigation of a round jet instability in a ...

    695Page The 14th Asian Congress of Fluid Mechanics - 14ACFM October 15 - 19, 2013; Hanoi and Halong, Vietnam Experimental investigation of a round jet instability in a cross -flow Kozlov V.V ...

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  • (PDF) Experimental investigation of a round jet ...

    2013-10-15 · This paper reports the results of an experimental investigation on the effects of jet velocity profiles on the flow field of a round jet in cross-flow (JICF) using laser-induced fluorescence and ...

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  • (PDF) Optimizing Replaced Nozzle Diameter of Abrasive ...

    2020-6-4 · The blasting technique has been broadly utilized to prepare new surfaces for painting, engraving, etc., in industry. In fact, the minimization of the cleaning cost system is essential.

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  • Optimizing nozzle convergent angle using central composite ...

    2020-8-3 · Mesh for nozzle geometry. In order to compute the solution, the finite volume method is utilized in the ANSYS FLUENT. Therefore, the discretization of the domain creation must be carried out in the ANSYS meshing [].As shown in Fig. 1, the mesh geometry is divided into three sections, which are the convergent, divergent, and throat sections.As the throat is located in a smaller cross-sectional ...

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  • (PDF) The Water Rocket Contest: Afterthoughts on ...

    The water jet thrust created by rapid expansion of compressed air is modeled as adiabatic process. ... and study the effect of such fuel change on the size reduction of the system as well as its ...

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  • (PDF) Microjet Based Active Flow Control on a Fixed Wing UAV

    A fixed wing, remote controlled, unmanned aerial vehicle (UAV), has been retrofitted with a system of microjet-based actuators to test microjet efficacy for flow control during flight. This allows ...

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  • OT : F4 Phantom air intakes - The Technical Forum Archive ...

    2004-2-11 · Page 1 of 2 - OT : F4 Phantom air intakes - posted in The Technical Forum Archive: I received a letter from a Forum reader who was lucky enough to be a F4 pilot. He asked some info about the peculiar air intakes of that plane. There are many aerodynamicists here, and I think its an interesting subject. These intakes have two features that strike the eye at first : 1) no shock cone : something ...

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  • Effect of nozzle geometry on the efficiency of compressed ...

    All nozzles showed comparable mass flow rates for the same impact force and the difference was in the order of 5% better than a straight pipe geometry. Only the energy saving nozzle used around 10% less mass flow and is the best solution to reduce compressed air consumption without losing performance. en_ZA. dc.description.librarian.

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  • Effect of Geometry on the Performance of Intermingling Nozzles

    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 …

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  • Numerical investigation of the effect of geometry on the ...

    2011-5-11 · In this study, numerical simulations were carried out to determine the effects of area ratio, setback distance, mixing tube length, and shape of the driving nozzle on the performance of the jet pump. It was seen that major losses arise in the jet pump primarily due to an improper mixing of …

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  • Effect of Nozzle Type and Abrasive on Machinablity in ...

    Micro abrasive jet machining (MAJM) is a high effective economical technology for three dimensional micro structure fabrications of brittle materials. It is widely used in the fabrication of semiconductors, electronic devices, micro electro-mechanical systems (MEMS), optical-electronic and optical devices, and medical instruments. In this paper, based on the experimental study of MAJM for ...

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  • What Determines the Drop Size in Sprays?

    What Determines the Drop Size in Sprays? Stefan Kooij,1 Rick Sijs,1 Morton M. Denn,2 Emmanuel Villermaux,3,4 and Daniel Bonn1 1Van der Waals-Zeeman Institute, University of Amsterdam, Science Park 904, Amsterdam, Netherlands 2Benjamin Levich Institute, City College of New York, CUNY, New York, New York 10031, USA 3Aix Marseille Universit´e, CNRS, Centrale Marseille, IRPHE UMR 7342, 13384 ...

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  • Effect of Fuel Nozzle Configuration on Premix Combustion ...

    2014-12-23 · To date, the effect of premix fuel nozzle geometry on combustion dynamics has not been well-documented. This paper presents experimental stability data from several different fuel nozzle geometries (i.e., changing the axial position of fuel injection in the premixer, and …

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  • EFFECT OF FIBRE LENGTH AND SUSPENSION

    2019-12-19 · the effect of nozzle exit geometry on fibre aligning quality. Details of the nozzles are given in Table 2. The dimensions of the aligned mats were 115mm in width by 900mm in length. Fibre Length Fibre concentration in slurry Nozzle Exit geometry Areal density, gsm 3mm 0.1% Nozzle A 45.58 Nozzle B 63.18 6mm 0.1% Nozzle A 62.01 0.15% 72.22 12mm

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  • [PDF] An Analytical Investigation Of The Effect Of Nozzle ...

    Conventional gasdynamic laser nozzles incorporate minimum length supersonic contours with sharp throats in order to obtain rapid vibrational freezing of the gas. The study considers the effect of complete rounding of the throat (on both the subsonic and supersonic sides), up to a radius of cruvature equal to three throat heights.

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  • CFD Modelling of Primary Atomisation of Diesel Spray

    2014-12-18 · 19 th Australasian Fluid Mechanics Conference Melbourne, Australia 8-11 December 2014 CFD Modelling of Primary Atomisation of Diesel Spray M. Ghiji 1, L. Goldsworthy 1, V. Garaniya 1, P.A. Brandner 1, and P. Hield 2 1Australian Maritime College, University of Tasmania, Launceston, Tasmania 7250, Australia 2Defence Science and Technology Organisation, Melbourne, Victoria 3010, Australia

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  • (PDF) Experimental investigation of a round jet ...

    2013-10-15 · This paper reports the results of an experimental investigation on the effects of jet velocity profiles on the flow field of a round jet in cross-flow (JICF) using laser-induced fluorescence and ...

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  • Parameters for Properly Designed and Operated Flares

    2015-9-10 · Appendix H. Effect of Nitrogen and Carbon Dioxide on the LFL of Various Components: A Comparison of Le Chatelier Equation to Experimental LFL Values. Appendix I. Methodology for Calculating Unobstructed Cross Sectional Area of Several Flare Tip Designs.

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  • A tale of two curves and their influence on rocket and ...

    2021-4-1 · The nitrogen jet rig with a 2.54 cm diameter nozzle was mounted on a traverse and oriented so the jet exhausted through a small orifice in the reverberation chamber wall. By moving the jet in and out of the chamber, the overall sound power, W OA , and associated power level, OAPWL, were measured by the reverberation method.

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  • Anions dramatically enhance proton transfer through ...

    2012-6-26 · Proton transfer (PT) through and across aqueous interfaces is a fundamental process in chemistry and biology. Notwithstanding its importance, it is not generally realized that interfacial PT is quite different from conventional PT in bulk water. Here we show that, in contrast with the behavior of strong nitric acid in aqueous solution, gas-phase HNO3 does not dissociate upon collision with the ...

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  • Republic Aviation Corporation F-105 Thunderchief 'Thud ...

    2004-11-26 · The F-105 'Thud' in Vietnam. Later in the 1960s, Republic's F-105 Thunderchief played a significant role in bombing North Vietnamese targets during Operation Rolling Thunder, with close air support of the F-4 Phantom, during the Vietnam war. No other aircraft has put as much ordnance on North Vietnam …

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  • Frontiers of Fluid Mechanics - 1st Edition

    1988-1-1 · Frontiers of Fluid Mechanics documents the proceedings of the Beijing International Conference on Fluid Mechanics, held in Beijing, People's Republic of China, 1-4 July 1987. The aims of the conference were to provide a forum for a cross …

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  • Plant Engineering & Construction Division

    2014-10-8 · Effect of lBr & Off line methodology raw Material Handling Facilities Specialized in technology of large-scale Blast Furnace & Sinter Plant, which provides high productivity & availability with low operating cost to the clients. One million dollars can be …

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  • A Century of Ramjet Propulsion Technology Evolution

    2004-5-31 · and exhaust nozzle (Fig. 1). The inlet collects and compresses air and conducts it via the diffuser to the combustor at reduced velocity thereby developing ram pressure and an elevated temperature. The combustor adds heat and mass to the compressed air by the injection and burning of fuel. Finally, the nozzle converts some of the energy

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  • The Advanced Tactical Fighter - Air Power Australia

    2018-3-26 · The rollout and first flights last year of the YF-22A and YF-23A Advanced Tactical Fighter (ATF) demonstrator aircraft represents another quantum leap in the evolution of air superiority aircraft design. Unlike earlier designs, the ATF is a careful blend of advanced aerodynamics, propulsion and electronics and involves a degree of system ...

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  • OT : F4 Phantom air intakes - The Technical Forum Archive ...

    2004-2-11 · Page 1 of 2 - OT : F4 Phantom air intakes - posted in The Technical Forum Archive: I received a letter from a Forum reader who was lucky enough to be a F4 pilot. He asked some info about the peculiar air intakes of that plane. There are many aerodynamicists here, and I think its an interesting subject. These intakes have two features that strike the eye at first : 1) no shock cone : something ...

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  • Mikoyan-Gurevich MiG-23 (Flogger) - Military Factory

    2021-7-22 · The Ye-231, MiG-23, MiG-23S and MiG-23SM fell under the NATO first generation 'Flogger-A' codename. The MiG-23M was the first 'true' mass-production form of the Flogger. First flight occurred in June of 1972 and production followed soon after. The powerplant was further uprated and sensor equipment was installed.

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  • Air-Powered Liquid Needle Free Injectors: Design,

    2013-4-2 · Air-Powered Liquid Needle Free Injectors: Design, ... nozzle geometry can be varied. ... stagnation pressures of the jet based on the effect of different parameters such as driver pressure (400-800 kPa), nozzle size (130-250 μm) and injection chamber length (10-25 mm). The results of these tests are then compared to the behaviour prescribed by the

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  • THRUST VECTORING NOZZLE FOR MILITARY AIRCRAFT

    2013-1-3 · These are called “Variable geometry convergent-divergent” (or Con-Di) nozzles. Depending on the level of control upon this divergent section, Con-Di nozzles can be of two types: • One-parameter Nozzles: also called 1-DOF nozzles; A8 is fully controlled, and A9 follows a pre-defined relationship to A8. The current EJ200 nozzle is of this type.

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  • Porous geometry effects on the generation of turbulence ...

    2021-7-28 · The effect of the porous leading edges were quantified by direct noise measurement and was compared to the results of a solid leading edge. It is found that far-field noise was reduced for low frequency in most cases, but incorporation of the porous material introduces a penalty of high frequency noise. An increase in the porous-occupied volume ...

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  • Influences of nozzle flow and nozzle geometry on the

    2003-2-1 · Influences of nozzle flow and nozzle geometry on the shape and size of an air core in a hollow cone swirl nozzle M R Halder, S K Dash, and S K Som Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 2003 217 : 2 , 207-217

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  • Influence of nozzle asymmetry on supersonic jets

    2012-5-17 · 27 January 2016 | The Aeronautical Journal, Vol. 118, No. 1209. Effects of area-ratio on the near-field flow characteristics and deflection of circular inclined coaxial jets. Experimental Thermal and Fluid Science, Vol. 54. Effect of a tab on the aerodynamical development and noise of an underexpanded supersonic jet.

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  • Effect of Wedge-Shaped Deflectors on Flow Fields of

    2008-1-12 · The Reynolds number of the jet, based on fan diameter, was 0.2 × 106. Exit conditions are listed in Tables 1-3 for the baseline nozzle. The 5BB nozzle has convergent exit flow lines for the fan and core ducts, typical of a realistic turbofan engine nozzle geometry. Figure 6 shows the radial coordinates of the 5BB nozzle. Photos of the nozzle are

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  • EFFECT OF FIBRE LENGTH AND SUSPENSION

    2019-12-19 · the effect of nozzle exit geometry on fibre aligning quality. Details of the nozzles are given in Table 2. The dimensions of the aligned mats were 115mm in width by 900mm in length. Fibre Length Fibre concentration in slurry Nozzle Exit geometry Areal density, gsm 3mm 0.1% Nozzle A 45.58 Nozzle B 63.18 6mm 0.1% Nozzle A 62.01 0.15% 72.22 12mm

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  • Structure Optimization and Numerical Simulation of

    Three kinds of nozzles normally used in industrial production are numerically simulated, and the structure of nozzle with the best jetting performance out of the three nozzles is optimized. The R 90 nozzle displays the most optimal jetting properties, including the smooth transition of the nozzle’s inner surface. Simulation results of all sample nozzles in this study show that the helix ...

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  • Heat transfer of swirling impinging jets ejected from ...

    2015-9-1 · The effect of jet geometry on the flow and the heat transfer characteristics was investigated experimentally and numerically for elliptic and rectangular impinging jet arrays by Caliskan et al. . Recently, San and Chen [20] , studied the effect of cross flow, jet interaction and jet interference on heat transfer distribution for five confined ...

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  • OT : F4 Phantom air intakes - The Technical Forum Archive ...

    2004-2-11 · Page 1 of 2 - OT : F4 Phantom air intakes - posted in The Technical Forum Archive: I received a letter from a Forum reader who was lucky enough to be a F4 pilot. He asked some info about the peculiar air intakes of that plane. There are many aerodynamicists here, and I think its an interesting subject. These intakes have two features that strike the eye at first : 1) no shock cone : something ...

    Get Price
  • A tale of two curves and their influence on rocket and ...

    2021-4-1 · The nitrogen jet rig with a 2.54 cm diameter nozzle was mounted on a traverse and oriented so the jet exhausted through a small orifice in the reverberation chamber wall. By moving the jet in and out of the chamber, the overall sound power, W OA , and associated power level, OAPWL, were measured by the reverberation method.

    Get Price
  • Publications - Continuous Casting Consortium - U of I

    2021-8-4 · Bai, H. and B. G. Thomas, “Effect of Clogging, Argon Injection and Casting Conditions on Flow Rate and Air Aspiration in Submerged Entry Nozzles,” Proceedings of the 59th Ironmaking Conference, Pittsburgh, PA, March 26-29, 2000; 83, 183-197, Iron and Steel Society, Warrendale, PA, 2000. Click here for a PDF …

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  • A Century of Ramjet Propulsion Technology Evolution

    2004-5-31 · and exhaust nozzle (Fig. 1). The inlet collects and compresses air and conducts it via the diffuser to the combustor at reduced velocity thereby developing ram pressure and an elevated temperature. The combustor adds heat and mass to the compressed air by the injection and burning of fuel. Finally, the nozzle converts some of the energy

    Get Price
  • Republic Aviation Corporation F-105 Thunderchief 'Thud ...

    2004-11-26 · The F-105 'Thud' in Vietnam. Later in the 1960s, Republic's F-105 Thunderchief played a significant role in bombing North Vietnamese targets during Operation Rolling Thunder, with close air support of the F-4 Phantom, during the Vietnam war. No other aircraft has put as much ordnance on North Vietnam …

    Get Price
  • Anions dramatically enhance proton transfer through ...

    2012-6-26 · Proton transfer (PT) through and across aqueous interfaces is a fundamental process in chemistry and biology. Notwithstanding its importance, it is not generally realized that interfacial PT is quite different from conventional PT in bulk water. Here we show that, in contrast with the behavior of strong nitric acid in aqueous solution, gas-phase HNO3 does not dissociate upon collision with the ...

    Get Price
  • Advances in Hydraulics and Water Engineering

    2002-8-8 · Turbulence measurements in unsteady open-channel flows over a smooth bed were conducted with a two-component laser Doppler anemometer (LDA). It was confirmed that the peaks of the water-surface slope, the bulk mean velocity, water discharge and finally the flow depth appear in these turn in flooded flows and this tendency becomes more remarkable with an increase of the unsteadiness.

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  • Science of Flight: Paper Airplanes - Cheapflights

    2015-5-8 · The science of flight: Paper airplanes. Paper airplanes are models of real (or imaginary) aircraft that are made from paper. Some people call it aerogami, since it is somewhat similar to the traditional Japanese craft of folding paper. Making paper airplanes …

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  • Recent Publications - IIT Kanpur

    Manisha B. P. and D. P. Mishra, Effect of Air Injection Configuration on the atomization of gelled JetA1 fuel in an air-assist internally mixed atomizer, Atomization and Spray, 23(4), pp.327-341, 2013. V Murari, CS Upadhyay.

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  • Learn More About 3D Printing Technology

    2014-4-23 · Joan Horvath and Rich Cameron, authors of Make: Geometry, explain how to use 3D models to teach geometry, which can help students visualize and grasp the basic shapes. Joan describes herself as a recovering rocket scientist who worked at JPL. Rich was an early RepRap 3D printer enthusiast.

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  • (PDF) Fundamentos de Mecanica de Fluidos Munson

    Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 12 Full PDFs related to this paper. Read Paper. Fundamentos de Mecanica de Fluidos Munson Young Okiishi 6ed.

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  • Fuel Injection: Breaking Up is Hard to Do - Ansys

    2020-11-11 · effect on spray simulation. CFD simulation with LES has substantially improved engineers’ understanding of the fundamental physics of the primary breakup process and the impact of the nozzle geometry on spray structure. Delphi engineers are moving forward to …

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  • Generating Particle Beams of Controlled Dimensions and ...

    2018-6-5 · particle diameter for different nozzle geometries. lated axial velocities. The nozzle geometry apparently has a very small effect on beam velocities. This observation agrees with previous work on conical convergent noz- zles (Dahneke et al. 1982; Dahneke and Cheng 1979) where the beam velocities were insensitive to the cone angle. De-

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  • Computational Modeling and Experimental Evaluation of

    2015-8-18 · air jet, imparted perturbation to fluid jet results in charged droplet formation [16, 17]. The performance parameters of electrostatic spray nozzle i.e. charge-to-mass ratio is a result of complex interactions of input parameters i.e. compressed air supply, liquid flow and electrostatic field within the designed nozzle…

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  • Atmospheric Spraying - Geoengineering Watch

    This engine is a jet powered fan that is designed for maximum fuel efficiency. 85% of the air that passes through this jet engine is NON COMBUSTED. By design, the “high bypass turbofan” jet engine is nearly incapable of producing any “condensation trail” except under the most rare and extreme of circumstances.

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  • Effect of Fuel Nozzle Configuration on Premix Combustion ...

    2014-12-23 · To date, the effect of premix fuel nozzle geometry on combustion dynamics has not been well-documented. This paper presents experimental stability data from several different fuel nozzle geometries (i.e., changing the axial position of fuel injection in the premixer, and considering simultaneous injection from two axial positions).

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  • ALPINE AIR JET SIEVE e200 LS - Amazon Web Services

    2020-5-11 · sieve, the air jet sieve is the device of choice for sieving fine powders. This is where the air jet sieve e200 LS develops maximum effectiveness. Not just one, but two compo-nents work together here: a slotted nozzle which rotates inside the sieving chamber and …

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  • Effect of the plasma-induced magnetic field on a magnetic ...

    2016-6-21 · A magnetic nozzle (MN) is an axisymmetric, longitudinal magnetic field with a convergent-divergent (or merely divergent) geometry that can guide, expand and accelerate a plasma [1–6].MNs are promising for space plasma propulsion thanks to their ability to contactlessly accelerate and control in-flight a high velocity plasma jet.

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  • (PDF) Effect of Viscosity and Heating Temperature on an ...

    With an increase in pressure from 1-5 bar, the jet breakup start time was decreased from 180-101 ms and the breakup completion time was decreased from 475-300 ms. Similarly, the spray cone length which is the axial distance between nozzle exit and complete jet breakup point was also decreased from 463-358 mm.

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  • The Effect of Ambient Pressure on the Spray ...

    2015-3-18 · Drennan, SA, Sowa, WA, & Samuelsen, GS. 'The Effect of Ambient Pressure on the Spray Characteristics of a Twin-Fluid Atomizer.' Proceedings of the ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition.

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  • [PDF] Effect of Shocks on Mixing and Thrust in Over ...

    The flow in the divergent part of a highly over-expanded nozzle suffers strong instability due to formation of shock waves which causes mixing enhancement in the flow and destabilizes the shear layer adjacent to it. The code FLUENT has been used to simulate the flow of two different viscous fluids (air and hydrogen) through five different ConvergentDivergent (C-D) nozzles of varying area ratio ...

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  • Analysis and Design of a Scramjet Engine Inlet Operating ...

    This paper gives a preliminary report of the analysis and design process of a scramjet engine inlet operating over a Mach number range from 5 to 10 without the use of variable geometry (moving parts) in order to find an optimal 2D geometry. An introduction of scramjet engine as well as its first component, the inlet, is given in the beginning and a number of basic inlet configurations are ...

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  • The Post-Tribune And The Geoengineering Elephant In The ...

    2014-11-15 · The climate engineering elephant in the room is getting hard to hide. It is becoming ever more clear that phones and emails are ringing off the hook in the offices of newsrooms and public officials by people that want answers on the climate engineering …

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  • White Phosphorus: Systemic Agent

    DESCRIPTION: White phosphorus is a toxic substance produced from phosphate-containing rocks. White phosphorus is used industrially to manufacture chemicals used in fertilizers, food additives, and cleaning compounds. It has been used in the past as a pesticide and in fireworks. It is used by the military in various types of ammunition as an ...

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  • M.E. Dept.

    K.M. Pandey, Gautam Choubey, Fayez Ahmed, Dilbahar Hussain Laskar, Pushpdeep Ramnani, Effect of variation of hydrogen injection pressure and inlet air temperature on the flow-field of a typical double cavity scramjet combustor, , International Journal of Hydrogen Energy, volume 42(2017), pp20824-20834.

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  • Theses and Dissertations Available from ProQuest

    Dissertations & Theses from 2019. Krishnan, Ankita (2019) Understanding Autism Spectrum Disorder Through a Cultural Lens: Perspectives, Stigma, and Cultural Values among Asians . Suzuki, Takakuni (2019) Quantifying the Relations among Neurophysiological Responses, Dimensional Psychopathology, and Personality Traits . Dissertations & Theses from 2018. Abdel-Salam, Ahmed Nabil (2018) Corporate ...

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  • Press EN - Itema

    PRESS RELEASE – 22/03/2017. Colzate (Italy) and Istanbul (Turkey) – Itema, the world’s largest privately held provider of advanced weaving solutions, including best-in-class weaving machines, spare parts and integrated services, is exhibiting at EGE TMF in Denizli (Booth C2) and KTM in Kahramanmaraş (Booth B1).

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  • Additive Manufacturing for Aerospace: 3D Printing ...

    2019-10-7 · DED and Large-Format Additive Manufacturing Markets: 2021-2030. June 28, 2021 . Report # SMP-AM-DED2021-0621

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  • Home

    With over 50 years of heritage in the aerospace industry, Woodward is a major controls supplier for fixed- and rotor-wing aircraft and a turbine engine controls and combustion supplier across the military aerospace segment. Read more. EXPLORE MORE. MILITARY. Through the ability to provide control over both the generator and the prime mover, our ...

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  • Official HP® Support

    Find support and customer service options to help with your HP products including the latest drivers and troubleshooting articles.

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  • Technology challenges of stealth unmanned combat aerial ...

    2017-6-23 · For jet engines, nozzles with large aspect ratios, defined as nozzle exit width over height, show significant reductions in the IR signature when compared with circular nozzles due to pressure changes in the plume, as well as a more widespread plume, which increases the mixture with cold ambient air, decreasing the overall length of the plume ...

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