Numerical simulation of air flow behavior and nozzle

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  • Numerical simulation of airflow behaviour and nozzle ...

    Numerical simulation of airflow behaviour and nozzle geometry on commingling for thermoplastic composites. ... Air flow behaviour in commingling nozzles and their influence on properties of commingled yarns. Indian J Fibre Text Res, 32 (2007), pp. 414-420. Google Scholar.

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  • Numerical simulation of airflow behaviour and nozzle ...

    Nozzle CONF I and II work on backwards airflow principles among these configures, while CONF III functions with forwarding airflow. Commingling process efficiency of nozzle designs is analysed in terms of vorticity magnitude, turbulence kinetic energy, turbulence intensity and radial velocity values obtained from the simulation study.

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  • Numerical simulation of airflow behaviour and nozzle ...

    Request PDF | Numerical simulation of airflow behaviour and nozzle geometry on commingling for thermoplastic composites | The current study highlights the superiority of nozzles with forwarding ...

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  • Numerical Simulation of Air Flow in the Nozzle of an Air ...

    Download Citation | Numerical Simulation of Air Flow in the Nozzle of an Air-Jet Spinning Machine | A CFD (computational fluid dynamics) model is developed to simulate the air flow patterns inside ...

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  • Numerical Simulation of Air Flow in the Nozzle of an Air ...

    A CFD (computational fluid dynamics) model is developed to simulate the air flow patterns inside the nozzle of an air-jet spinning machine. The design parameters of the nozzle are related to the flow characteristics, so they affect yarn properties. Three parameters are discussed: The effect of nozzle pressure is significant. With increasing ...

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  • Numerical Simulation of Erosion and Flow Behaviour in Nozzle

    We used CFD method to numerical simulation of solid-liquid two-phase flow in nozzle flow inside the nozzle, simplified structure, used the RNGk-ε model for numerical simulation. Through numerical simulation, we get the velocity distribution and the erosion distribution, provide guidance for further improvement and application in structure engineering

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  • Numerical simulation of gas–liquid flow behavior in the ...

    2019-2-18 · The understanding of gas–liquid flow behavior inside the nozzle exit region is the bridge linking internal flow and external flow. Investigation of the gas–liquid two-phase flow behavior in the nozzle …

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  • Three-dimensional numerical simulation of air exhausted ...

    Three-dimensional numerical simulation of air exhausted from submerged nozzles J T Liu, S J Qin, T C Miao and D Z Wu1 Institute of Process Equipment, Zhejiang University, Road 38, Hangzhou, Zhejiang,

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  • Numerical and experimental study of the influence of ...

    Fig. 6 shows the Airflow behavior inside the long nozzle with injector vertical angle 15° with different air pressures from 0.5 to 3 bar. The air flow pattern is divided into three main parts; the first is the air flow, which sent from injectors into the main nozzle hole. This creates the pressurized air swirls along the nozzle.

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  • Three-dimensional numerical simulation of flow and splash ...

    2021-6-3 · The change of bubbles and the position of the tuyere in an oxygen coal combustion melting and separating furnace affect the flow and splash behavior of the molten pool. To analyze this problem further, a three-dimensional numerical simulation method was used to explore the behavior and change of the flow field inside the molten pool during double-row tuyere injection. In addition, the ...

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  • Numerical Simulation of Air Flow in the Nozzle of an Air ...

    A CFD (computational fluid dynamics) model is developed to simulate the air flow patterns inside the nozzle of an air-jet spinning machine. The design parameters of the nozzle are related to the flow characteristics, so they affect yarn properties. Three parameters are discussed: The effect of nozzle pressure is significant. With increasing ...

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  • Three-dimensional numerical simulation of air exhausted ...

    Three-dimensional numerical simulation of air exhausted from submerged nozzles. J T Liu 1, S J Qin 1, T C Miao 1 and D Z Wu. Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering, Volume 72, Issue 4 Citation J T Liu et al 2015 IOP Conf. Ser.: Mater. Sci. Eng. 72 042038

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  • NUMERICAL SIMULATION OF THE AIR FLOW FIELD IN THE MELT ...

    NUMERICAL SIMULATION OF THE AIR FLOW FIELD IN THE MELT BLOWING PROCESS WITH THE USE OF AN AUXILIARY NOZZLE. pages 473-482. DOI: 10.1615/HeatTransRes.2013006087. Get access. Yuanling Cheng

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  • Experimental and Numerical Study on Air Flow Behavior for ...

    Experimental and Numerical Study on Air Flow Behavior for a Novel Retractable Reverse Circulation Drill Bit of Casing-while-Drilling (CwD) Bo Qi ,1,2 Pinlu Cao ,1 He Yang ,1 Wenbo He ,1 Mengke Wang ,1 Baoyi Chen,1 Kun Bo ,1 and Zhichuan Zheng 1 1College of Construction Engineering, Jilin University, No. 938 Ximinzhu Str., Changchun City 130061 ...

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  • Numerical Study of Flow Behavior and Optimization of ...

    Nozzle plays a key role in determining the flow behavior in the mold of the continuous casting process with and without nozzle gas injection. Different modifications applied to the ports are used ...

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  • The Effect of Different Nozzle Configurations on Airflow ...

    In numerical simulation, ANSYS 12.1 package program and Fluid Flow (CFX) analysis method was used. As distinct from the literature, Shear Stress Turbulent (SST) model is preferred. And also air pressure at the nozzle inlet was measured by electronic mass flow meter and these values were used for the simulation of the airflow.

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  • Numerical simulation of the influence of fuel temperature ...

    Numerical simulation of the influence of fuel temperature and ... SMD than cylindrical and conical‐cylindrical nozzles. It also exhibits higher air‐to‐liquid mass ratios, higher airflow rates, ... inner nozzle flow and spray behavior. Furthermore, with the increase in the engine power density, the injection pressure ...

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  • Three-dimensional numerical simulation of flow and splash ...

    The change of bubbles and the position of the tuyere in an oxygen coal combustion melting and separating furnace affect the flow and splash behavior of the molten pool. To analyze this problem further, a three-dimensional numerical simulation method was used to explore the behavior and change of the flow field inside the molten pool during double-row tuyere injection. In addition, the ...

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  • Numerical analysis of supersonic jet flow and dust ...

    Numerical mesh. The mesh sensitivity analysis was performed on three hexahedral structured mesh resolutions created by ICEM (Grid 1, Grid 2, and Grid 3), as shown in Fig. 1.There is minimal difference on the mass flow rates of the three mesh scales, as confirmed by overlap of the curves, while the pressure transient curves at the monitoring point near the inlet show the overlap of Grid 2 and ...

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  • Numerical Simulation of Fluid Flow and Interfacial ...

    A numerical investigation is performed to describe the quasi‐steady fluid flow and interfacial behavior in a three‐phase argon gas‐stirred ladle with off‐centered bottom Ar injection through a plug and two plugs placed in 180° and 90°configurations, respectively.

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  • Numerical Simulation of Separated Cold Gas Nozzle Flows ...

    Numerical Simulation of Separated Cold Gas Nozzle Flows. ... Numerical prediction of nozzle flow separation: Issue of turbulence modeling. Aerospace Science and Technology, Vol. 50. Numerical investigation of flow separation behavior in an over-expanded annular conical aerospike nozzle. Chinese Journal of Aeronautics, Vol. 28, No. 4.

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  • Numerical Simulation of Unsteady Nozzle Flow and Spray ...

    engine is presented. The dependences between the transient nozzle flow and spray formation are analysed. For that purpose models to simulate unsteady nozzle flows including the transient behaviour of cavitation and two-phase atomization process are employed. Results of transient flow through various 3D nozzle shapes (one- and multi-hole

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  • Numerical simulation of the air flow field in the foreign ...

    The air flow field of a foreign fiber separator is simulated numerically. Effects of design parameters such as the nozzle diameter and entrance width of the noil box on the air velocity along nozzle axis, turbulence intensity, and jet deflection distance are studied.

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  • Numerical simulation of gas–liquid flow behavior in the ...

    Numerical simulation of gas–liquid flow behavior in the nozzle exit region of an effervescent atomizer By Chunhua Sun, Zhi Ning, Xinqi Qiao, Ming Lv, Juan Fu, Jin Zhao and Xintao Wang Cite

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  • Numerical simulation of the flow characteristics inside a ...

    Comparing with the obtained values of other simulation results, this novel plasma spray torch produces a jet length of over 350 mm into atmospheric air and is predicted to have much higher velocity and temperature at the nozzle exit when operated at an output power of 25.4 kW and total gas flow rate of 14 SLPM by using 70% nitrogen and 30% argon.

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  • Numerical Simulation of the Behavior of Hydrogen Source in ...

    Numerical Simulation of the Behavior of Hydrogen Source in a Novel Welding Process to Reduce Diffusible Hydrogen ... from a shielding nozzle was drawn inward and also branched into an upward flow that was sucked into the suction nozzle and a downward flow to a base metal. This branching height was defined as the suction limit height, which ...

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  • Three-dimensional numerical simulation of air exhausted ...

    Underwater exhaust produces an intricate unsteady two-phase flow field. For exploring the methods to predict the structure of air-water flow field and revealing the interaction of gas and water, three-dimensional underwater gas jet model with the VOF multiphase flow tracking method was adopted to simulate the transient flow field of gas jet into water.

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  • NUMERICAL AND EXPERIMENTAL INVESTIGATION OF FLOW BEHAVIOR ...

    Page 1 6 NUMERICAL AND EXPERIMENTAL INVESTIGATION OF FLOW BEHAVIOR IN A CONFLUENT JET VENTILATION SYSTEM FOR INDUSTRIAL PREMISES K. Svensson1,*, S. Ghahremanian1,2, B. Moshfegh1,2, M. Tummers3 1Division of Energy Systems, Department of Management and Engineering, Linköping University, SE-581 83 Linköping, Sweden

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  • Numerical Simulation and Experiment on Air Washer with One ...

    numbers of nozzle rows: 1, 2 or 3 rows, have been found in application. The present work focuses on the spray of one row for an adiabatic humidifying air treatment procedure. One row co-current spray i Fig. 1. Direct evaporative air cooler with one row parallel flow spray This kind of spray arrangement is shown schemati-cally in Fig.1.

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  • Design of a Double-Nozzle Air Spray Gun and Numerical ...

    Spray painting robots equipped with air spray guns have been widely used in the painting industry. In view of the low efficiency of single-nozzle air spray guns when spraying large targets, a new double-nozzle air spray gun structure was designed in this paper based on the Coanda effect of double jets. Firstly, a 3-D physical model of the double-nozzle air spray gun was built in Solidworks, in ...

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  • Numerical Simulation of Nozzle Starting Flow

    The starting flow process in a two-dimensional planar wedge nozzle is studied numerically. The flowfield is solved using several turbulence models. Good agreement with experimental interferograms is achieved when using the Reynolds stress model. Solving the nozzle flow with eddy viscosity turbulence models does not provide such good agreement.

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  • Numerical simulation of the flow characteristics inside a ...

    Comparing with the obtained values of other simulation results, this novel plasma spray torch produces a jet length of over 350 mm into atmospheric air and is predicted to have much higher velocity and temperature at the nozzle exit when operated at an output power of 25.4 kW and total gas flow rate of 14 SLPM by using 70% nitrogen and 30% argon.

    Get Price
  • Numerical Simulation on the Flow Structure Around the ...

    The important changes occurring in the velocity and pressure fields in the vicinity of the nozzle, as the air exiting from the nozzle and impinging on a flat plate, are the prime objectives of the present studies. Simulation studies were first focus on examining the flow characteristics of the system with the conventional nozzle geometry design.

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  • Numerical Simulation Of An Over-Expanded Supersonic Nozzle ...

    Numerical Simulation Of An Over-Expanded Supersonic Nozzle Flow. View Open. CSME2018_paper_111.pdf (855.8Kb) ... gas flares are equipped with air nozzles that introduce extra oxygen and improve mixing in the combustion zone. These nozzles are operated in the subsonic, sonic, or supersonic regimes. ... The Realizable 푘−휀 and SST 푘−휔 ...

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  • Numerical Simulation Research on Flow and Heat Transfer ...

    The numerical simulation result shows that the flow parameters of both air and flue have influence on the temperature distribution characteristic in fuel nozzle. Open Access This is an open access article distributed under the CC BY-NC license .

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  • Numerical Simulation and Experiment on Air Washer with One ...

    numbers of nozzle rows: 1, 2 or 3 rows, have been found in application. The present work focuses on the spray of one row for an adiabatic humidifying air treatment procedure. One row co-current spray i Fig. 1. Direct evaporative air cooler with one row parallel flow spray This kind of spray arrangement is shown schemati-cally in Fig.1.

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  • Experimental and numerical analysis of the influence of ...

    The air flows through a circular nozzle at a specific velocity, which depends on the Reynolds number required in the study, and at a constant temperature of about 120ºC. Since the Mach number is below 0.3, the air jet flow is considered incompressible. After the impingement, the air flow escapes through the side walls.

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  • Numerical Simulation of Spray Behavior and Its Interaction ...

    A numerical study was performed to investigate spray behavior and its interaction with air flow in a flame holding region of an oil burner(0.1MW) using the KIVA3 code. The numerical results in shape of the recirculating flow and size of the recirculation zone under different conditions were compared to those experimental results.

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  • CFD Simulation of Air Flow Behaviour at Different Flow ...

    In this study, an example Turkish woodwind instrument, the Turkish Treble Recorder (dilli kaval) is considered, and the air flow behaviour and acoustic (sound) power magnitudes that occur at different air flow rates are simulated in a computer environment using a Computational Fluid Dynamics (CFD) simulation technique. In the study, numerical ...

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  • Design of a Double-Nozzle Air Spray Gun and Numerical ...

    From the simulation results, it can be concluded that a more uniform coating film can be obtained when L = 30 mm and = 10 . The e ective coating width of the double-nozzle air spray gun was increased by 85.7% compared with the single-nozzle air spray gun, which improved the spraying e ciency.

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  • Numerical Simulation and Experiment on Air Washer with One ...

    numbers of nozzle rows: 1, 2 or 3 rows, have been found in application. The present work focuses on the spray of one row for an adiabatic humidifying air treatment procedure. One row co-current spray i Fig. 1. Direct evaporative air cooler with one row parallel flow spray This kind of spray arrangement is shown schemati-cally in Fig.1.

    Get Price
  • Numerical Simulation of the Flow Field of the ...

    Numerical Simulation of the Flow Field of the Circumferential Multi Nozzle Radial Compressed Air Mist Gun ... The analysis shows that the decreasing degree of the reducing air supply outlet produces the corresponding shear flow, which makes the air supply outlet of the fog gun obtain more energy distribution in the position of the nozzle, and ...

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  • Numerical simulation of three-dimensional airflow in a ...

    In order to regulate turbulence strength and determine airflow characteristics in a new dual-feed rotor spinning unit, the internal flow field is investigated. A computational fluid dynamics technique is employed to numerically study the three-dimensional model of the internal airflow in the new design. The effects of air velocity variation on turbulence strength, negative pressure, Re, and ...

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  • Numerical investigation of separated nozzle flows

    Numerical investigation of flow separation behavior in an over-expanded annular conical aerospike nozzle Chinese Journal of Aeronautics, Vol. 28, No. 4 Numerical study of shock/boundary layer interaction in supersonic overexpanded nozzles

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  • Numerical Simulation and Analysis for the Flow Field of ...

    Numerical Simulation and Analysis for the Flow Field of the Main Nozzle in an Air-Jet Loom Based on FLUENT

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  • Numerical Simulation of Erosion in Modified Nozzles of ...

    The solid particle bearing steam flow through the nozzle was investigated using a 3D numerical model and the finite volume code Fluent V6.0.12, looking for a reduction of the erosion process. The flow simulation was carried out for the original and modified (nozzle) designs with changes of the angle of particle impact on the nozzle surface.

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  • Numerical Simulation of Plasma Behavior in a Magnetic ...

    Numerical simulations of plasma behavior in a magnetic nozzle of a Laser‐Plasma Driven Nuclear Electric Propulsion System are conducted. The propellant is heated and accelerated by the laser and expanded isotropically. The magnetic nozzle is a combination of solenoidal coils and used to collimate and guide the plasma to produce thrust. Simulation calculations by a three‐dimensional hybrid ...

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  • Jetting behavior in drop-on-demand printing: Laboratory ...

    Jetting behavior in drop-on-demand printing: Laboratory experiments and numerical simulations ... a combination of numerical simulations and experiments to identify the parameter space of fluid ... asymmetry of the meniscus leads to the entrapment of air bubbles inside the nozzle [13]. However,

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  • Numerical Simulation of Abrasive Water Jet for Different ...

    3 for air and solid show that the numerical simulations obtained are in good quantitative agreement with the experimental study. The speed ratio for water is shown in figure 4 showed the similar trend to that of air and solid (figure 2 and figure 3). Uom is the mean centre line velocity and Unom is the numerical centre line velocity.

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  • Numerical simulation on the behavior of a liquid jet into ...

    A numerical simulation has been performed to clarify the effects of turbulence in a liquid on the deformation of the liquid jet surface into an air flow. The turbulences in the liquid jet were simulated by the Rankin vortices, and the liquid jet surface was tracked numerically by the volume of fluid method.

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  • Numerical investigation of separated nozzle flows

    Numerical investigation of flow separation behavior in an over-expanded annular conical aerospike nozzle Chinese Journal of Aeronautics, Vol. 28, No. 4 Numerical study of shock/boundary layer interaction in supersonic overexpanded nozzles

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  • NUMERICAL SIMULATION OF THE FORMATION AND REATACHMENT ...

    cavitating nozzles and also looked at the subsequent sprays. N. Anantharamaiah et al [6] studied flow simulations of water through sharp-edged cone-capillary nozzles at different Reynolds numbers (less than 20 MPa). The simulations showed the separation of the flow from the nozzle wall as it enters the orifice.

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  • Numerical Investigation of Nozzle-Geometry Variations and ...

    In the present work numerical simulations were carried out investigating the effect of fuel type, nozzle-geometry variations and back-pressure changes on high-pressure gas injections under application-relevant conditions. Methane, hydrogen and nitrogen with a total pressure of 500 bar served as high

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  • Numerical Simulation of Wind Loads on High-Rise Buildings

    Numerical simulation is performed using finite element in the software package ANSYS. The computational model is the numerical analogue of wind tunnel. The high-rise buildings and surrounding objects are placed in the domain, whose sizes are selected so that air flow on its boundaries is not affected by the buildings

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  • NUMERICAL ANALYSIS OF AIR FLOW EFFECT ON BULK MATERIAL ...

    inducing air flow in ambient air (Ogata and Tomita, 2009). In this paper analysis of air flow effects created by inlet mass flow is performed and its effect on particle segregation process is evaluated. For numerical analysis, Hopper construction with internal cone is used (Figure 1).

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  • Thesis

    Numerical simulation of fluid flow and detailed chemical reactions in naphtha pyrolysis furnace. SUMITANI, Yuya ... Investigation of Break-up Behavior of Liquid Column Injected from Single Hole Nozzle Using Volume of Fluid Method . NIIOKA, Shunya ... Numerical Investigation of Droplet Behavior in High-Speed Air Flow through a Slit-Type Nozzle.

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  • Modelling and Simulation of a Supersonic Convergent ...

    A Nozzle is a device used to control the speed of the fluid flow, directions and flow characteristics. The design of the nozzle is considered to be a pipe with varying cross-sectional areas throughout the length for altering and controlling the mass flow rate, velocity, direction of flow, pressure ratio etc.

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  • NUMERICAL SIMULATION OF TURBULENT SHOCK INDUCED SEPARATED ...

    NUMERICAL SIMULATION OF TURBULENT SHOCK INDUCED SEPARATED FLOWS: APPLICATION TO THE SUPERSONIC OVER EXPANDED NOZZLE FLOW|Afaque Shams, Collecting Baseball Cards|Thomas S. Owens, Six Days|Nick Page, Scientific Industries Explained: Showing How Some Of The Important Articles Of Commerce Are Made, Volume 1|Alexander Watt

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  • CONTRIBUTION TO SPRAYING NOZZLE STUDY: A COMPARATIVE ...

    for the simulation of turbulent flow through the spray nozzle. This model is composed of two parameters which model the turbulence kinetic energy (k) and the dissipation rate (ε). The standard k-epsilon model is based on the assumption that the flow is in fully turbulent conditions while neglecting the viscosity.

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  • Design of Multi Nozzles for a Portable Air Flow Meter ...

    These studies indicate that fan, nozzle and damper are important factors in designing nozzle based air flow meters. In this study, with the help of numerical simulation, a small portable air flow meter was developed for measuring air flow in the fields with acceptable accuracy.

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  • Numerical investigation of airflow in an idealised human ...

    3. Results and discussion. The boundary conditions play an important role in the flow simulation. In the experiments, a nozzle was a xed to the inlet of the model to decrease inlet losses and dampen out any external instabilities (Johnstone 2003).The use of a nozzle ensures virtually uniform inlet conditions at all flow rates, producing nearly plug flow (i.e. “top hat”) inlet velocity ...

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  • A numerical simulation of air flow in the human ...

    The directions of the air flow in the nasal cavity and two-dimensional contours in sections 1–3 are shown in Figs. 5a, b and c. As expected, in the narrow channels of the nasal cavity the air flow accelerated and reached a maximum value of 3.33 m/s (Fig. 5a, b). It can be also noticed that due to the deep shells of the nasal cavity, vortices ...

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  • Numerical Analysis of Vortex Shedding Behavior of ...

    In this paper, numerical simulation has been performed for the unsteady flow field of nozzle vortex shedding with inlet and outlet boundary conditions. Distribution of velocity, pressure and vortices field has been calculated and analyzed in the process of vortex shedding in order to provide a reference for optimizing source frequency.

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  • Comparison of numerical simulations to experiments for ...

    Numerical images allow an exclusive access to the fragmentation process, which could not be correlated with experimental methods due to its location inside the nozzle. Obtained images showed a periodic wave on the interface between liquid and air, where the liquid exits the nozzle and encounters the 100 m/s air flow.

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  • Numerical Simulation and Analysis of Airflow in the ...

    The air negative pressure plays a very important role in compact spinning as it is utilized to condense the fiber bundle in a pneumatic compact spinning mechanism [1, 2].To eliminate the spinning triangle, which leads to improving the quality of spun yarn in terms of hairiness and strength, a few studies have been reported [3, 4, 5].Numerical simulation technique is one among the significant ...

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  • Numerical simulation of atomization process of nickel ...

    ANSYS Fluent 19.0 software is used to numerically simulate atomization process in the production of nickel-based alloy powders by VIGA. The gas flow field in the atomizing chamber and atomization process of the metal melt is studied. Atomizing air flow is sprayed through the nozzle to form supersonic gas flow. The results show that the recirculation zone is inverted cone, and the length of ...

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  • Numerical simulation and analysis of multi-scale ...

    Numerical simulation and analysis of multi-scale cavitating flows - Volume 922 ... and it is desirable to obtain further understanding and a detailed analysis of this complex flow from numerical simulation. To overcome the limitations with the Eulerian model, in the current study, we develop a new hybrid solver by coupling the Eulerian model ...

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  • Numerical Analysis of Airflow Fields from New Melt-Blowing ...

    The melt-blowing process uses high-speed and high-temperature airflow from the die head to draw polymer melt into micron-sized fibers. In this work, to reduce the diameter of the melt-blowing fibers, three new slot dies have been designed based on the common slot die. With computational fluid dynamics technology, the two-dimensional flow fields from these new types of slot dies were ...

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  • A NUMERICAL SIMULATION OF THE EFFECT OF INLET GAS ...

    A Numerical Simulation of the Effect of Inlet Gas Temperature ˝.. 85 Journal of Engineering Science and Technology February 2014, Vol. 9(1) where Cµ is a constant. The model constants C1ε, C2ε, Cµ, σk, and σε have the following default values: C1ε = 1.44, C2ε = 1.92, Cµ = 0.09, σk = 1.0, σε = 1.3. According to FLUENT User Guide, these default values have been

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  • Numerical simulation of airflow behaviour and nozzle ...

    Numerical simulation of airflow behaviour and nozzle geometry on commingling for thermoplastic composites. ... Air flow behaviour in commingling nozzles and their influence on properties of commingled yarns. Indian J Fibre Text Res, 32 (2007), pp. 414-420. Google Scholar.

    Get Price
  • Numerical simulation of airflow behaviour and nozzle ...

    Nozzle CONF I and II work on backwards airflow principles among these configures, while CONF III functions with forwarding airflow. Commingling process efficiency of nozzle designs is analysed in terms of vorticity magnitude, turbulence kinetic energy, turbulence intensity and radial velocity values obtained from the simulation study.

    Get Price
  • Numerical simulation of airflow behaviour and nozzle ...

    Request PDF | Numerical simulation of airflow behaviour and nozzle geometry on commingling for thermoplastic composites | The current study highlights the superiority of nozzles with forwarding ...

    Get Price
  • Numerical Simulation of Air Flow in the Nozzle of an Air ...

    Download Citation | Numerical Simulation of Air Flow in the Nozzle of an Air-Jet Spinning Machine | A CFD (computational fluid dynamics) model is developed to simulate the air flow patterns inside ...

    Get Price
  • Numerical Simulation of Air Flow in the Nozzle of an Air ...

    A CFD (computational fluid dynamics) model is developed to simulate the air flow patterns inside the nozzle of an air-jet spinning machine. The design parameters of the nozzle are related to the flow characteristics, so they affect yarn properties. Three parameters are discussed: The effect of nozzle pressure is significant. With increasing ...

    Get Price
  • Numerical Simulation of Erosion and Flow Behaviour in Nozzle

    We used CFD method to numerical simulation of solid-liquid two-phase flow in nozzle flow inside the nozzle, simplified structure, used the RNGk-ε model for numerical simulation. Through numerical simulation, we get the velocity distribution and the erosion distribution, provide guidance for further improvement and application in structure engineering

    Get Price
  • Numerical simulation of gas–liquid flow behavior in the ...

    The understanding of gas–liquid flow behavior inside the nozzle exit region is the bridge linking internal flow and external flow. Investigation of the gas–liquid two-phase flow behavior in the nozzle exit region could reveal the spray characteristics especially the features of jet instability.

    Get Price
  • Three-dimensional numerical simulation of air exhausted ...

    Three-dimensional numerical simulation of air exhausted from submerged nozzles J T Liu, S J Qin, T C Miao and D Z Wu1 Institute of Process Equipment, Zhejiang University, Road 38, Hangzhou, Zhejiang,

    Get Price
  • Numerical and experimental study of the influence of ...

    Fig. 6 shows the Airflow behavior inside the long nozzle with injector vertical angle 15° with different air pressures from 0.5 to 3 bar. The air flow pattern is divided into three main parts; the first is the air flow, which sent from injectors into the main nozzle hole. This creates the pressurized air swirls along the nozzle.

    Get Price
  • Three-dimensional numerical simulation of flow and splash ...

    The change of bubbles and the position of the tuyere in an oxygen coal combustion melting and separating furnace affect the flow and splash behavior of the molten pool. To analyze this problem further, a three-dimensional numerical simulation method was used to explore the behavior and change of the flow field inside the molten pool during double-row tuyere injection. In addition, the ...

    Get Price