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  • Effect of Nozzle Geometry on Air-Jet Texturing

    2020-4-22 · determine the effect of air inlet angle are inconclusive and require further investigation. The air-jet texturing process is widely known for its ability to produce spun-like synthetic continuous filament yarns. Structural modification is achieved by contact of the continuous feed yarn with a supersonic air stream delivered by a nozzle. The

    Get Price
  • (PDF) Effect of Nozzle Geometry on Air-Jet Texturing ...

    '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 ...

    Get Price
  • Effect of Nozzle Geometry on Air-Jet Texturing

    2018-2-17 · The best texturing comes from nozzles with a slightly diverging main channel and a single air inlet hole located far from the nozzle exit. A curved diverging exit profile is essential for successful texturing. The results of the tests to determine the effect of air inlet angk are inconclusive and require further investigation.

    Get Price
  • (PDF) The effect of nozzle geometry on the flow ...

    Results are presented of a wide-ranging investigation of geometry effects on the flow parameters and jet characteristics of nozzles with diameters between 120 and 170 mu m. Nozzles with circular ...

    Get Price
  • (PDF) Effect of nozzle geometry on pressure drop and

    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 Stagnation Point Heat Transfer.

    Get Price
  • EFFECT OF NOZZLE GEOMETRY ON THE

    2016-7-19 · a stepped nozzle (Figure 1), a straight pipe, a converging-diverging nozzle (Figure 3) and an energy-efficient nozzle (Figure 4). The energy efficient nozzle is a combination of a stepped nozzle and a diverging part connected at the back. This geometry permits the surrounding air to be entrained. NOMENCLATURE

    Get Price
  • Effect of nozzle geometry on critical-subcritical flow ...

    2019-2-1 · Nozzle geometry does have a significant impact of nozzle performance. Effect of single-phase air flow through a nozzle revealed the effect of different nozzle parameters on nozzle performance. A lower diverging angle and no elongated throat gave the best critical pressure ratio and a low pressure drop.

    Get Price
  • Effect of Geometry on the Performance of Intermingling

    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.

    Get Price
  • Influence of nozzle geometry on underexpanded

    2012-7-4 · The effect of nozzle geometry on the structure of a supersonic free jet is investigated both experimentally and numerically for three simple nozzle geometries. In the experiments, the relation between the Mach disk height and diameter and the nozzle pressure ratio are investigated using the schlieren method. In contrast to results …

    Get Price
  • Effect of axisymmetric sonic nozzle geometry on ...

    The effect of nozzle geometry on sonic line and characteristics of supersonic air jet was studied. Computational fluid dynamics was applied in this study. The axisymmetric nozzle geometries investigated were two different contour converging nozzles, two different conically converging sharp-edged nozzles and a sharp-edged orifice. The results show that the supersonic jet …

    Get Price
  • Effect of Nozzle Geometry on Air-Jet Texturing

    2020-4-22 · determine the effect of air inlet angle are inconclusive and require further investigation. The air-jet texturing process is widely known for its ability to produce spun-like synthetic continuous filament yarns. Structural modification is achieved by contact of the continuous feed yarn with a supersonic air stream delivered by a nozzle. The

    Get Price
  • (PDF) Effect of Nozzle Geometry on Air-Jet Texturing ...

    '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 ...

    Get Price
  • Effect of Nozzle Geometry on Air-Jet Texturing

    2018-2-17 · The best texturing comes from nozzles with a slightly diverging main channel and a single air inlet hole located far from the nozzle exit. A curved diverging exit profile is essential for successful texturing. The results of the tests to determine the effect of air inlet angk are inconclusive and require further investigation.

    Get Price
  • (PDF) The effect of nozzle geometry on the flow ...

    Results are presented of a wide-ranging investigation of geometry effects on the flow parameters and jet characteristics of nozzles with diameters between 120 and 170 mu m. Nozzles with circular ...

    Get Price
  • (PDF) Effect of nozzle geometry on pressure drop and

    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 Stagnation Point Heat Transfer.

    Get Price
  • EFFECT OF NOZZLE GEOMETRY ON THE

    2016-7-19 · a stepped nozzle (Figure 1), a straight pipe, a converging-diverging nozzle (Figure 3) and an energy-efficient nozzle (Figure 4). The energy efficient nozzle is a combination of a stepped nozzle and a diverging part connected at the back. This geometry permits the surrounding air to be entrained. NOMENCLATURE

    Get Price
  • Effect of nozzle geometry on critical-subcritical flow ...

    2019-2-1 · Nozzle geometry does have a significant impact of nozzle performance. Effect of single-phase air flow through a nozzle revealed the effect of different nozzle parameters on nozzle performance. A lower diverging angle and no elongated throat gave the best critical pressure ratio and a low pressure drop.

    Get Price
  • Effect of Geometry on the Performance of

    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.

    Get Price
  • Influence of nozzle geometry on underexpanded

    2012-7-4 · The effect of nozzle geometry on the structure of a supersonic free jet is investigated both experimentally and numerically for three simple nozzle geometries. In the experiments, the relation between the Mach disk height and diameter and the nozzle pressure ratio are investigated using the schlieren method. In contrast to results …

    Get Price
  • Effect of axisymmetric sonic nozzle geometry on ...

    The effect of nozzle geometry on sonic line and characteristics of supersonic air jet was studied. Computational fluid dynamics was applied in this study. The axisymmetric nozzle geometries investigated were two different contour converging nozzles, two different conically converging sharp-edged nozzles and a sharp-edged orifice. The results show that the supersonic jet …

    Get Price
  • ADVANCES in FLUID MECHANICS - WSEAS

    2012-9-20 · Istanbul, Turkey August 21-23, 2012 ISSN: 2227-4596 ... Experiment and Performance Prediction of Bubble-Jet Type Air-Lift Pump for Dredging Sediments on Sea and Lake Beads 27 ... Performance Study of Nozzle Geometry on Heat Transfer Characteristics - Part I: Local Heat Transfer 42

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  • A New Approach to Determination of the Instability of

    2021-7-9 · Air-Jet Texturing of the Yarns . Air-jet texturing of the filaments was carried out on a SSM Stähle RM3-T machine, with the following parameters: 250 m/min texturing speed, Hemajet A347 type of nozzle, 0.8 MPa air pressure. The filaments were fed to the machine as single end method with two different overfeeds (15%, 30%).

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  • Slot air jet impingement cooling over a heated circular ...

    2018-3-5 · In this study, a two-dimensional slot air jet impingement cooling of a circular cylinder of diameter, D is investigated numerically.Fig. 1 shows the geometries of slot impingement configurations with and without a flat horizontal confinement at the nozzle exit. The width of the nozzle is S and the distance from the nozzle exit to the cylinder is H.In order to study the effect …

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  • NUMERICAL STUDY OF HEAT TRANSFER DUE TO

    2016-3-10 · jet is used as a promising candidate to remove more heat from electrical components [2]. The nozzle geometry of impinging jets can be rectangular or circular. According to many studies conducted on impinging jets for circular and slot jets, the flow field and thermal characteristics are different in slot jets compared to circular jets. Jet ...

    Get Price
  • Experimental Study of Direct Contact Condensation

    2015-7-20 · Effect of water spray on air humidity ratio (75°C-80 % RH – Counter Flow) In the meantime, relative humidity starts to increase and it reaches saturation point (%100 RH) represented in Figure 4. If air cooled below the dew point, water vapor starts to condensed as droplets. Figure 5 represents the effect of water injection on

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  • (PDF) A Cfd and Experimental Study on Open Jet Flows ...

    ICCHMT 2016, Cracow, Poland, 23-26 May 2016 Table 1 Various geometry of open jet equipment Geometric Short Long Area Areas Length (mm) Lentgh (mm2) (mm) Circle 15 15 706.85 Square 30 30 900 Triangle 25.92 25.92 290.91 Figure 1 Schematic of the facility Rectangle 20 30 600 Air passes through the different geometric areas and exit …

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  • Estimating column diameters in jet grouting processes

    2018-8-11 · 1 Estimating column diameters in jet grouting processes Kimpritis, T.1, Standing, J.R.2 and Thurner, R.3 1 Keller Hellas S.A., formerly Imperial College London 2 Department of Civil and Environmental Engineering, Imperial College London 3 Keller Grundbau GmbH, Technical and Commercial Director Middle East and Turkey Abstract Jet …

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  • Water Jet Guided Laser vs. Conventional Laser ...

    2021-4-9 · terials. Water jet guided laser is a technology that overcomes most of these issues, where pressurized water in the process provides focusing, cooling and cleaning on the cut region, eliminating undesired side effects of the laser. In this study, cutting performanceof a water jet guided laser system and a s conventional laser system were …

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  • Life Assessment of a Jet Engine Component

    2005-9-5 · Life Assessment of a Jet Engine Component E. Acar 1, M. A. Akgün Summary Thermo-mechanical fatigue life of pins connecting the first stage low pressure turbine (LPT) nozzle to the LPT nozzle support in an F110-GE-100 engine has been assessed. A commercial finite element code is used for thermal and stress analysis.

    Get Price
  • International Journal of Turbo & Jet-Engines

    1985-3-1 · Lip thickness is defined as the thickness of primary nozzle wall separating primary jet and secondary jet at the co-flowing nozzle exit. Co-flowing jets from a primary nozzle of diameter 10 mm (1.0 D p ) and a secondary duct with lip thickness (LT) 0.2 D p , 1.0 D p and 1.5 D p at Mach numbers 0.6, 0.8 and 1.0 have been studied.

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  • NUMERICAL STUDY OF HEAT TRANSFER DUE TO

    2016-3-10 · jet is used as a promising candidate to remove more heat from electrical components [2]. The nozzle geometry of impinging jets can be rectangular or circular. According to many studies conducted on impinging jets for circular and slot jets, the flow field and thermal characteristics are different in slot jets compared to circular jets. Jet ...

    Get Price
  • A New Approach to Determination of the Instability

    2021-7-9 · Air-Jet Texturing of the Yarns . Air-jet texturing of the filaments was carried out on a SSM Stähle RM3-T machine, with the following parameters: 250 m/min texturing speed, Hemajet A347 type of nozzle, 0.8 MPa air pressure. The filaments were fed to the machine as single end method with two different overfeeds (15%, 30%).

    Get Price
  • Life Assessment of a Jet Engine Component

    2005-9-5 · Life Assessment of a Jet Engine Component E. Acar 1, M. A. Akgün Summary Thermo-mechanical fatigue life of pins connecting the first stage low pressure turbine (LPT) nozzle to the LPT nozzle support in an F110-GE-100 engine has been assessed. A commercial finite element code is used for thermal and stress analysis.

    Get Price
  • A LAGRANGIAN APPROACH FOR MODELING

    2018-1-4 · the downstream body position and also the free jet Reynolds number, u∞D/υ. Figure 2 shows the research geometry for this study. The jet flow is generated from a nozzle exit by using source elements inside the nozzle. The source distribution is chosen to be parabolic so as to provide a correct initial velocity profile at the nozzle exit.

    Get Price
  • Estimating column diameters in jet grouting processes

    2018-8-11 · 1 Estimating column diameters in jet grouting processes Kimpritis, T.1, Standing, J.R.2 and Thurner, R.3 1 Keller Hellas S.A., formerly Imperial College London 2 Department of Civil and Environmental Engineering, Imperial College London 3 Keller Grundbau GmbH, Technical and Commercial Director Middle East and Turkey Abstract Jet …

    Get Price
  • Water Jet Guided Laser vs. Conventional Laser ...

    2021-4-9 · terials. Water jet guided laser is a technology that overcomes most of these issues, where pressurized water in the process provides focusing, cooling and cleaning on the cut region, eliminating undesired side effects of the laser. In this study, cutting performanceof a water jet guided laser system and a s conventional laser system were …

    Get Price
  • PERFORMANCE OF RECTANGULAR PIN-FIN HEAT

    2021-8-10 · formed by the cooling fins. The effect of air flow entrance is obvious on the coefficient of heat transfer and fin efficiency. Engineers need to select the high efficient heat sink with the best performance among a wide range sorts of heat sinks working under impinging jet from the comparison of thermal resistances of the optimized pin

    Get Price
  • (PDF) Multiple Jet Impingement - a Review

    Int. Symp. on Heat Transfer in Gas Turbine Systems 9*14 August 2009, Antalya, Turkey MULTIPLE JET IMPINGEMENT – A REVIEW Bernhard Weigand* and Sebastian Spring Institute of Aersoapce Thermoynamics (ITLR) Universität Stuttgart Pfaffenwaldring 31, 70569 Stuttgart, Germany (* Corresponding author: [email protected]) Jet …

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  • COMPUTATIONAL SIMULATIONS OF FORE AND

    2017-9-1 · retaining critical features of the geometry. For example, the trailing edge, beginning of the centerbody, the aft end of the nozzle, and the corner points at the junction of the axis and the farfield are maintained in the coarse grids as constraining parameters in much the same manner as they appear in the finest grid. In our …

    Get Price
  • Original Research (AR) JEMS, 2020; 8(1): 38-52

    2020-3-31 · the effects of injection timing and nozzle angle on various blends formation and combustion performance in 3D model. The study has been conducted for 25 different cases. Wang et al. [10] have numerically analyzed the effect of ignition position and fuel injection timing on the engine performance and combustion in a direct-

    Get Price
  • Propelling nozzle - 3D CAD Models & 2D Drawings

    A propelling nozzle is a nozzle that converts the internal energy of a working gas into propulsive force; it is the nozzle, which forms a jet, that separates a gas turbine, being gas generator, from a jet engine.. Propelling nozzles accelerate the available gas to subsonic, transonic, or supersonic velocities depending on the power setting of the engine, their …

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  • Dielectric Behavior Characterization of a Fibrous

    2017-7-17 · nozzle onto the collector due to high electrostatic force acting on the polymer droplet at the tip of the nozzle [27]. As the polymer jet traveled through air, a fiber was formed, and its diameter was reduced significantly by the solvent evaporation. The randomly oriented, fine fibers collected on the screen positioned above the collector

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  • COMPUTATIONAL SIMULATIONS OF FORE AND

    2017-9-1 · retaining critical features of the geometry. For example, the trailing edge, beginning of the centerbody, the aft end of the nozzle, and the corner points at the junction of the axis and the farfield are maintained in the coarse grids as constraining parameters in much the same manner as they appear in the finest grid. In our …

    Get Price
  • Modeling and Simulation of MEMS - DTIC

    2012-5-10 · Effect of To and Po on Performance Axisymmetric nozzle, Diffuse wall, Tw=300 T=300 K T=2000 K T=1000 K To~2,300 K •For high To, a shorter nozzle would give better performance at lower Re. •Need to optimize geometry of high temperature nozzles. •For lower pressures, the peak value of Isp is closer to the nozzle throat.

    Get Price
  • Analysis of the performance of a new developed

    2019-11-25 · K. Bilen, “ An experimental investigation of heat transfer characteristics of a normal and oblique air jet impinging on heated flat plate,” Ph.D. thesis, KTU University, Turkey, 1994. Google Scholar; 46. L. Huang and M. S. El-Genk, “ Heat transfer of an impinging jet on a flat surface,” Int. J. Heat Mass Transfer 37, 1915– 1923 (1994).

    Get Price
  • PERFORMANCE OF RECTANGULAR PIN-FIN HEAT

    2021-8-10 · formed by the cooling fins. The effect of air flow entrance is obvious on the coefficient of heat transfer and fin efficiency. Engineers need to select the high efficient heat sink with the best performance among a wide range sorts of heat sinks working under impinging jet from the comparison of thermal resistances of the optimized pin

    Get Price
  • Internal Flow Physics of a Fluidic Oscillator in the ...

    2020-11-13 · [11]) if the certain parameters such as the distance between nozzles and the characteristic jet velocity are selected properly. One of the early fluidic oscil-lators based on internal jet interactions is the so-called “feedback-free” fluid-ic oscillator developed by Raghu [12]. This oscillator creates self-sustained

    Get Price
  • Spray Nozzle

    EXAIR's spray nozzle is ideal for creating fine mists for dust control, lubrication, and coatings. Available in multiple patterns. CE compliant. Shop Online!

    Get Price
  • Original Research (AR) JEMS, 2020; 8(1): 38-52

    2020-3-31 · the effects of injection timing and nozzle angle on various blends formation and combustion performance in 3D model. The study has been conducted for 25 different cases. Wang et al. [10] have numerically analyzed the effect of ignition position and fuel injection timing on the engine performance and combustion in a direct-

    Get Price
  • Comparison of Jameson cell and jet diffuser

    2017-10-20 · Comparison of Jameson cell and jet diffuser flotation column Kemal Bilir 1, Ali Ucar 2, Oktay Sahbaz 2, Hakan Gursoy 1, ... designed a new equipment considering diffusers and their effect on turbulence in any discharge point. The most suitable diffuser geometry to provide optimum flow from the downcomer to separation tank was …

    Get Price
  • Jet Impingement Heat Transfer: Physics,

    2011-5-31 · targets with very uneven surfaces, the jet nozzles may have to be located too far from the surface. For jets starting at a large height above the target (over 20 jet nozzle diameters) the decay in kinetic energy of the jet as it travels to the surface may reduce average Nu by 20% or more. (2) The hardware

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  • NOZZLES - UPM

    2021-1-2 · The classical quasi-one-dimensional Laval nozzle, which has a slender geometry, with a rapidly converging short entrance, a rounded throat, and a long conical exhaust of some 15º half-cone angle (the loss of thrust due to jet …

    Get Price
  • PERFORMANCE OF RECTANGULAR PIN-FIN HEAT

    2021-8-10 · formed by the cooling fins. The effect of air flow entrance is obvious on the coefficient of heat transfer and fin efficiency. Engineers need to select the high efficient heat sink with the best performance among a wide range sorts of heat sinks working under impinging jet from the comparison of thermal resistances of the optimized pin

    Get Price
  • Effect of Fuel Nozzle Configuration on Premix

    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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  • EFFECT OF NOZZLE ASSEMBLY, ON PARTIAL

    2017-12-13 · CHAPTER 5 EVALUATION OF THE EFFECT OF NOZZLE ASSEMBLY, OPERATING CONDITION AND INSULATION TO PCU PERFORMANCE 100 5.1 Overview 100 5.2 Effect of Nozzle Assembly Design 100 5.3 Effect of Oxygen Flowrate 113 5.4 Effect of Thermal Insulation 115 5.5 Summary 121

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  • Life Assessment of a Jet Engine Component

    2005-9-5 · Life Assessment of a Jet Engine Component E. Acar 1, M. A. Akgün Summary Thermo-mechanical fatigue life of pins connecting the first stage low pressure turbine (LPT) nozzle to the LPT nozzle support in an F110-GE-100 engine has been assessed. A commercial finite element code is used for thermal and stress analysis.

    Get Price
  • Modeling and Simulation of MEMS - DTIC

    2012-5-10 · Effect of To and Po on Performance Axisymmetric nozzle, Diffuse wall, Tw=300 T=300 K T=2000 K T=1000 K To~2,300 K •For high To, a shorter nozzle would give better performance at lower Re. •Need to optimize geometry of high temperature nozzles. •For lower pressures, the peak value of Isp is closer to the nozzle throat.

    Get Price
  • Analysis of the performance of a new developed

    2019-11-25 · K. Bilen, “ An experimental investigation of heat transfer characteristics of a normal and oblique air jet impinging on heated flat plate,” Ph.D. thesis, KTU University, Turkey, 1994. Google Scholar; 46. L. Huang and M. S. El-Genk, “ Heat transfer of an impinging jet on a flat surface,” Int. J. Heat Mass Transfer 37, 1915– 1923 (1994).

    Get Price
  • ALPINE AIR JET SIEVE e200 LS - Amazon Web

    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 an industrial vacuum cleaner connected up to the sieving chamber.

    Get Price
  • Spray Nozzle

    EXAIR's spray nozzle is ideal for creating fine mists for dust control, lubrication, and coatings. Available in multiple patterns. CE compliant. Shop Online!

    Get Price
  • Effect of Nozzle Geometry on Air-Jet Texturing

    2020-4-22 · determine the effect of air inlet angle are inconclusive and require further investigation. The air-jet texturing process is widely known for its ability to produce spun-like synthetic continuous filament yarns. Structural modification is achieved by contact of the continuous feed yarn with a supersonic air stream delivered by a nozzle. The

    Get Price
  • (PDF) Effect of Nozzle Geometry on Air-Jet Texturing ...

    '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 ...

    Get Price
  • Effect of Nozzle Geometry on Air-Jet Texturing

    2018-2-17 · The best texturing comes from nozzles with a slightly diverging main channel and a single air inlet hole located far from the nozzle exit. A curved diverging exit profile is essential for successful texturing. The results of the tests to determine the effect of air inlet angk are inconclusive and require further investigation.

    Get Price
  • (PDF) The effect of nozzle geometry on the flow ...

    Results are presented of a wide-ranging investigation of geometry effects on the flow parameters and jet characteristics of nozzles with diameters between 120 and 170 mu m. Nozzles with circular ...

    Get Price
  • (PDF) Effect of nozzle geometry on pressure drop and

    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 Stagnation Point Heat Transfer.

    Get Price
  • EFFECT OF NOZZLE GEOMETRY ON THE

    2016-7-19 · a stepped nozzle (Figure 1), a straight pipe, a converging-diverging nozzle (Figure 3) and an energy-efficient nozzle (Figure 4). The energy efficient nozzle is a combination of a stepped nozzle and a diverging part connected at the back. This geometry permits the surrounding air to be entrained. NOMENCLATURE

    Get Price
  • Effect of nozzle geometry on critical-subcritical flow ...

    2019-2-1 · Nozzle geometry does have a significant impact of nozzle performance. Effect of single-phase air flow through a nozzle revealed the effect of different nozzle parameters on nozzle performance. A lower diverging angle and no elongated throat gave the best critical pressure ratio and a low pressure drop.

    Get Price
  • Effect of Geometry on the Performance of

    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.

    Get Price
  • Influence of nozzle geometry on underexpanded

    2012-7-4 · The effect of nozzle geometry on the structure of a supersonic free jet is investigated both experimentally and numerically for three simple nozzle geometries. In the experiments, the relation between the Mach disk height and diameter and the nozzle pressure ratio are investigated using the schlieren method. In contrast to results …

    Get Price
  • Effect of axisymmetric sonic nozzle geometry on ...

    The effect of nozzle geometry on sonic line and characteristics of supersonic air jet was studied. Computational fluid dynamics was applied in this study. The axisymmetric nozzle geometries investigated were two different contour converging nozzles, two different conically converging sharp-edged nozzles and a sharp-edged orifice. The results show that the supersonic jet …

    Get Price
  • Internal Flow Physics of a Fluidic Oscillator in the ...

    2020-11-13 · [11]) if the certain parameters such as the distance between nozzles and the characteristic jet velocity are selected properly. One of the early fluidic oscil-lators based on internal jet interactions is the so-called “feedback-free” fluid-ic oscillator developed by Raghu [12]. This oscillator creates self-sustained

    Get Price
  • Design and fabrication of a vigorous “cavitation-on-a

    2021-6-2 · In another study, Mishra and Peles fabricated microfluidic devices with a micro-Venturi to reveal the effect of the geometry on the generation of cavitation 16. The results of these studies ...

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  • Nozzle - PARTcommunity - 3D & 2D CAD Models

    2011-6-15 · A jet exhaust produces a net thrust from the energy obtained from combusting fuel which is added to the inducted air. This hot air is passed through a high speed nozzle, a propelling nozzle which enormously increases its kinetic energy. [1]For a given mass flow, greater thrust is obtained with a higher exhaust velocity, but the best …

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  • Invented for life

    2021-8-24 · Moving stories and inspiring interviews. Experience the meaning of 'invented for life' by Bosch completely new. Visit our international website.

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  • Numerical Investigation of Turbulent Hydrogen

    This nozzle was used for supplying the co-flowing dry air to the lower part of the flame at an exit velocity of typically 0.3 m/s. Fuel exited from the inner tube with the exit velocity of 42.2 m/s. The fuel was a mixture of 33.2% H 2, 22.1% CH 4, and 44.7% N 2 (by volume). The Reynolds number of the fuel jet in the inlet section was 15200 ...

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  • Commingled and Air Jet-textured Hybrid Yarns for ...

    2004-4-1 · Effect of Raw Material Characteristics (of the Feed Yarn) on Structure and Properties of Air Jet Textured Yarns. II. Effect of Filament Cross-Sectional Shape, Melliand Textilberichte, 71(12): 935-937 & E421-E422. Google Scholar

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  • th International Conference on Fluid Dynamics &

    2019-3-27 · Title: The Effect of the height of the horizontal layer of a liquid and pressure on hydrodynamic regimes of evaporation/boiling and critical heat flux Vladimir Zhukov, Novosibirsk State Technical University, Russia Title: The modification of Ekman-Hartmann layer by the imposition of axial velocity Satyanarayana Badeti, VIT - AP University, India

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  • Application of design of experiments to plasma Arc

    Mohan and Muragan (2009e) analyzed the effect of various parameters such as welding current, open circuit voltage, travel speed, nozzle to work distance, shielding gas flow rate and welding position on bead width, height of reinforcement, depth of penetration and percentage of dilution of PTAW tungsten carbide hardfacing of 316 stainless steel ...

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  • Watch Shock Diamonds and Mach Disks Form In The

    2020-3-30 · Shock Diamonds and Mach Disks in jet engines exhaust can be particularly evident and fascinating at night. The video below shows RAF Lakenheath’s Propulsion Test Cell during a test of an F-15E ...

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  • Adrián Álamo Sanz - Gas Turbine Performance

    Carried out RANS simulations of the jet of a convergent nozzle, in order to observe the effect on noise and propulsion efficiency. - Generated Geometry and Mesh using ANSYS SpaceClaim and ANSYS Meshing. - Processed mesh using ICEM CFD to be able to run simulations afterwards, obtaining the right format. - Ran simulations using DLR-TAU.

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