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  • Effect of Nozzle Geometry on Air-Jet Texturing

    2018-2-17 · In order to facilitate the research, an air-jet texturing nozzle with a rectangular cross section has been developed. The texturing performance of the nozzles is assessed by means of process observations and on-line measurement of stabilizing zone tension, and also by measuring the in creased linear density of the …

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  • 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 …

    Get Price
  • Experimental and computational analysis of nozzle ...

    2018-6-5 · nozzle, pressurized air and the yarn. Therefore, the researchers mainly analysed the effect of air pressure level and the structural parameters of the nozzle on airflow character and also the yarn quality either experimentally or computationally. In numerical analyses, Zeng & Yu4 used PHOENICS while Patnaik …

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  • Effects of the nozzle configuration on solar-powered ...

    2017-7-1 · A supersonic nozzle and a subsonic nozzle are employed in the variable geometry ejector. • Experiment has been conducted on the ejector performance with various operating conditions. • The variable geometry ejector is capable to provide stable performance with unstable heat input. • Numerical simulation is conducted to reveal effect …

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  • Investigation of the Linear Stability Problem of ...

    2014-1-6 · including both liquid-gas interaction and nozzle geometry effects. Theoretically, a dispersion relation has been obtained for an incompressible jet, where the stability of infinitesimal waves on an axially symmetric jet of infinite length are considered. The results show that as the parameter T ¼ðq 2 =q 1Þr=l 2 …

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  • Study of the Different Factors That Influence Jet Pump ...

    The objective of this work is to study experimentally the characteristics of jet pump. Suction head, driving air pressure and the percentage of the distance between throat section and nozzle are recorded. The effect of each parameter on the pump performance is investigated, in order to have a better understanding about the …

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  • (PDF) Development and testing of a relay nozzle concept ...

    2021-6-4 · Findings – The relay nozzles of the air-jet weaving technology consume up to 80 percent of the air required by the weft insertion process. At ITA a new nozzle concept was developed.

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  • Conical coaxial impinging air jets: angle effect on the ...

    2020-7-23 · Herein, an experimental attempt is conducted to research thermal and flow behaviors of an impinging jet exiting from a coaxial type nozzle with a conical outer and a circular inner outlets. The experiments include four different values of the cone angle (Φ = 0°, 10°, 20° and 30°) and several values of the separation distance between the nozzle …

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  • (PDF) Design of high pressure waterjet nozzles

    2015-7-29 · R. Kobayashi, T. Arai and Y. Masuki, 'Water Jet Nozzle Geometry and Its effect On Erosion Process of Metallic Material', 5th American Water Jet Con/erence, August 29-31, 1989, Toronto Canada, pp ...

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  • ADVANCES in FLUID MECHANICS - WSEAS

    2012-9-20 · Aerodynamics (FMA '12) were held in Istanbul, Turkey, August 21-23, 2012. The conferences provided a platform to discuss heat and mass transfer, internal combustion engines, steam generators, turbulent heat transfer, urban air pollution, environmental protection, solar energy,

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  • (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 ...

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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…

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

    Abstract A wide variety of processes make use of plain orifice nozzles. Fuel injectors for internal combustion engines incorporate these nozzles to generate finely atomized sprays. Processes such as jet cutting, jet cleaning, and hydroentanglement, on the other hand, use similar nozzles, but require coherent jets. The spray or jet …

    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
  • The Effect of Nozzle Geometry on Pressure Drop and

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

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

    2018-2-17 · In order to facilitate the research, an air-jet texturing nozzle with a rectangular cross section has been developed. The texturing performance of the nozzles is assessed by means of process observations and on-line measurement of stabilizing zone tension, and also by measuring the in creased linear density of the …

    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.

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  • The effect of nozzle geometry on local convective heat ...

    The velocity profile at the jet exit (X/D = 0.1) presents a parabolic shape for the tube and an inverted parabolic shape for the round orifice, while the presence of two shear layers renders the cross-shaped orifice more complex and three-dimensional. Thermal results also show that a round orifice on the hemisphere causes higher …

    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 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 …

    Get Price
  • EFFECT OF NOZZLE GEOMETRY ON THE

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

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  • Experimental examination of nozzle geometry on water

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

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  • Effect of Fuel Nozzle Geometry on Swirling Partially ...

    2020-1-29 · The burner consists of a central interchangeable fuel nozzle surrounded by a swirling co-airflow where both discharge into a short mixing tube. The nozzle geometry is classified into two groups, namely, single- and multi-orifice nozzles. The swirling motion of the co-airflow is produced using a radial-type swirl generator …

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  • The Effects of Burner Geometry and Fuel Composition

    1997-12-1 · The effect of the burner configuration and fuel composition on the stability limits of jet diffusion flames issuing into a co-flowing air stream is presented. Circular and elliptic nozzles of various lip thicknesses and aspect ratios were employed with methane as the primary fuel and hydrogen, carbon dioxide, and …

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  • Effect of a Wedge on Coannular Jet Noise

    2006-5-18 · 2 The effect of the wedge is the focus of the present paper. The wedge cases tried in the UCI experiment were limited. There could be ma ny variations of the wedge geometry, e.g., half -angle, base width relative to nozzle …

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  • Experimental Study on Effects of Nozzle Hole

    2009-11-2 · The effect of injection pressure was not significant at retarded injection timings, i.e., 5 ATDC. The convergent nozzle was found to produce higher soot emissions compared with the straight-hole nozzle under the same injection conditions. Effects of the convergent nozzle on NO x emissions and fuel …

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  • Study of the Different Factors That Influence Jet Pump ...

    The objective of this work is to study experimentally the characteristics of jet pump. Suction head, driving air pressure and the percentage of the distance between throat section and nozzle are recorded. The effect of each parameter on the pump performance is investigated, in order to have a better understanding about the …

    Get Price
  • The Effect of Reynolds Number on Jet in Asymmetric

    2018-10-24 · 3. Results and Discussion. To investigate the effect of initial Re on the jet development, four simulations with different nozzle diameters D j = 0.0012, 0.0015, 0.0018, and 0.0021 m were run with grid 2 based on the grid study results. With the same initial mass flow rate 0.031 kg/s as in the PIV measurement by Larsson et al. [], the jet …

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  • A non-contact end-effector for the handling of

    an air permeable structure, a novel nozzle was designed and developed. This nozzle utilises the phenomena of the radial air outflow. It is envisaged that this new nozzle will handle materials by eliminating surface marking and air permeable structure problems. KEYWORDS: Handling, Garment, End-effector, Gripper, Fabric. 1. …

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  • (PDF) Prediction of scour depth from free falling flip ...

    A simple method for describing the free falling flip bucket jet angle on the basis of the Veronese formula has been developed. Prototype scours are investigted for six large dams in Asia with flip ...

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  • Influence of liquid hydrophobicity and nozzle

    2015-5-20 · workers focused on the influence of the ink-jet print head geometry, the diameter of the nozzle exit, amplitude and frequency of electrically driven signals, and liquid properties, density, viscosity and surface tension on the drop formation, but little is known about the effect of the wetting condition

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  • Study of the Different Factors That Influence Jet Pump ...

    The objective of this work is to study experimentally the characteristics of jet pump. Suction head, driving air pressure and the percentage of the distance between throat section and nozzle are recorded. The effect of each parameter on the pump performance is investigated, in order to have a better understanding about the …

    Get Price
  • A Brief Review on Design and Operation Principle for ...

    pressure nozzle Liquid turbulence and attenuation effect of the tangential velocity component of the liquid in a centrifugal or swirl-type nozzle leads to atomization. The atomization conditions of the centrifugal type nozzle depend on the magnitude of the angular or swirling velocity of the water. After leaving the orifice, water forms an air …

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  • PERFORMANCE OF RECTANGULAR PIN-FIN HEAT

    2021-8-10 · For two types arrangement cooling by air fan away from the heatsink fixed outside on the heat sink to let the axial air flow and the other with enclosure cutout template. The enclosure cutout template more effective. The interest of the current study is highlighting on the impingement air flow effecting on rectangular pin fin geometry.

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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. …

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  • Injector Geometry Effect on Plain Jet Airblast

    2014-12-23 · Plain jet atomisation featuring coaxial air and fuel flows has been investigated to assess the injector geometry effect on the spray characteristics. Results from various flow conditions and atomiser configurations suggest that a prompt atomisation correlation that was evaluated for prefilming injectors can be applied to plain jet …

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

    2020-8-28 · effect of the fuel injection timing on the diesel engine. Hagos et al. [8] have experimentally investigated the effects of start of injection timing (SOI) on the performance, combustion and emissions on the SI engine fueled with a hydrogen-rich synthesis gas. Fan et al. [9] have examined the effects of injection timing and nozzle

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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 …

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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 …

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  • Active control of jet mixing - Miroslav Krstic

    2005-2-1 · Active control of jet mixing C.C.L. Yuan, M. Krstic´ and T.R. Bewley Abstract: A control law to improve jet flow mixing is presented. The control law employs a pair of actuators at the jet nozzle exit that act on the shear layers near the corners by blowing and

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  • ABSTRACT Begenir, Asli. The Role of Orifice Design

    2016-8-30 · ABSTRACT Begenir, Asli. The Role of Orifice Design in Hydroentanglement. (Under the direction of Dr. Behnam Pourdeyhimi) This research was devoted to study the role of the nozzle geometry in the

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  • The effect of nozzle diameter on the flow

    2019-1-25 · Air entrainment phenomenon on vertical plunging jet has been studied with the aim to know the effect of nozzle and downcomer size on bubble penetration depth, gas entrainment rate, and bubble dispersion area. Experimental setup is in the form of water piping system consisting of pump, nozzle, downcomer, water flowmeter, air …

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  • A Brief Review on Design and Operation Principle for ...

    pressure nozzle Liquid turbulence and attenuation effect of the tangential velocity component of the liquid in a centrifugal or swirl-type nozzle leads to atomization. The atomization conditions of the centrifugal type nozzle depend on the magnitude of the angular or swirling velocity of the water. After leaving the orifice, water forms an air …

    Get Price
  • Experimental Study of Air-Lift Pumps Characteristics

    2021-8-12 · the percentage of the distance between throat section and nozzle and the driving air pressure, suction head and also study the effect of each parameter on the air lift pump characteristics in order to have a better performance of such pump under various conditions. A certain geometry for air-lift pump designed and …

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  • THRUST VECTORING NOZZLE FOR MILITARY

    2013-1-3 · EJ200 engine on Eurofighter, the use of independent A9 control could lead to an improvement of up to 7% in installed net thrust relative to the current performance. This is due to the combination of two effects: increase of nozzle internal thrust; and reduction of nozzle external drag. For Take-off, the Thrust …

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  • FLUID FLOW AND HEAT TRANSFER OF AN

    2007-10-31 · Convective heat transfer to an impinging air jet is known to yield high local and area averaged heat transfer coe–cients. The current research is concerned with the mea-surement of heat transfer to an impinging air jet over a wide range of test parameters. These include Reynolds Numbers, Re, from 10000 to 30000, nozzle …

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  • Effects of pylon geometry on mixing enhancement in a ...

    The Pylon 1 geometry is designed to study the effect of reduction in effective blockage area on performance parameters. Since the formation of vortices are influenced by the slanted surfaces of the pylon, the Pylon 2 geometry is designed to accommodate additional slanted surfaces while maintaining a reduced effective …

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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 …

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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 …

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  • One-dimensional Model of an Optimal Ejector and

    2014-4-15 · One-dimensional Model of an Optimal Ejector and Parametric Study of Ejector Efficiency Ronan K. McGoverna, Kartik V. Bulusub, Mohammed A. Antarc and John H. Lienhard Vd a Massachusetts Institute of Technology, Cambridge, MA, U.S.A., [email protected] b The George Washington University, Washington D.C., …

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  • Spray Nozzle

    - perform like External Mix Atomizing Nozzles but have the added benefit of positively stopping liquid flow when the compressed air is shut off. They use independent air and liquid control to create a precise volume flow. They can be used on liquids with a viscosity above 300 cP.

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  • Performance Prediction of Conical Nozzle Using Navier ...

    2015-1-6 · These test cases were 1) axisymmetric convergent conical nozzles of 15, 25, and 40 deg half-angle as well as a reference nozzle; 2) the 25 deg half-angle nozzle with a splitter plate inserted in its plane of symmetry; and 3) the vortex shedding observed at the base of the splitter plate.

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  • Experimental Investigation of Thermal-Mixing

    2017-8-12 · Cylindrical obstacles are located in front of the coaxial jet to control the thermal-mixing behavior. A coaxial-jet nozzle designed and inserted into a rectangular cross section confined channel. The coaxial jet consists of two water jets at different temperatures that were positioned on the same axis.

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  • IOP Conference Series: Materials Science and

    The University of Technology in Baghdad represented by the Civil Engineering Department has been collaborated with the Istanbul Technical University-Turkey to set the fourth release of the International Conference on Buildings, Construction and Environmental Engineering (BCEE4), which is being held this year in Istanbul …

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  • Design optimisation of separate-jet exhausts for the

    2018-9-19 · This geometry formulation is coupled with an automated viscous and compressible flow solution method and a cost-effective design space exploration (DSE) approach. The framework is deployed to optimise the performance of a separate-jet exhaust for very-high-bypass ratio (VHBR) turbofan engine.

    Get Price
  • IOP Conference Series: Materials Science and

    2021-1-20 · Photographs of combustion chambers and nozzles studied depending on their geometry and thickening of the nozzle wall, an excess oxidizer (0.3 0.8), and operating conditions until of the metal limiting condition (1106 W/m 2) are presented. The optimal geometry of the chambers and nozzles either the type of porous …

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  • Experimental and theoretical investigation of the fluid ...

    2019-10-15 · The geometry was set up for the 5 mm height of PEO in the rotating cylinder, including an instance when nitrogen gas filled the cylinder. The fluid starts at rest at the bottom of the cylinder. The …

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  • Control of Supersonic Inlet-Isolator Unstart Using

    2014-6-6 · An experimental study was conducted to investigate the effects of ramp-type vortex generators in a Wheeler doublet configuration, vortex generator jets, and their combination on a supersonic inlet unstart and to …

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  • Comparison of Jameson cell and jet diffuser flotation

    2017-10-20 · Physicochem. Probl. Miner. Process., 54(1), 2018, 174-181 177 Fig. 3. (a) Jameson cell (b) Jet Diffuser Flotation Column 2. Experimental In the experimental study, a naturally hydrophobic talc sample with a purity of 97.6% (based on MgO)

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  • RNG k-epsilon model -- CFD-Wiki, the free CFD

    2010-6-5 · The RNG model was developed using Re-Normalisation Group (RNG) methods by Yakhot et al to renormalise the Navier-Stokes equations, to account for the effects of smaller scales of motion. In the standard k-epsilon model the eddy viscosity is determined from a single turbulence length scale, so the calculated …

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  • IOP Conference Series: Materials Science and

    The University of Technology in Baghdad represented by the Civil Engineering Department has been collaborated with the Istanbul Technical University-Turkey to set the fourth release of the International Conference on Buildings, Construction and Environmental Engineering (BCEE4), which is being held this year in Istanbul …

    Get Price
  • Performance Prediction of Conical Nozzle Using Navier ...

    2015-1-6 · These test cases were 1) axisymmetric convergent conical nozzles of 15, 25, and 40 deg half-angle as well as a reference nozzle; 2) the 25 deg half-angle nozzle with a splitter plate inserted in its plane of symmetry; and 3) the vortex shedding observed at the base of the splitter plate.

    Get Price
  • Experimental Investigation of Thermal-Mixing

    2017-8-12 · Cylindrical obstacles are located in front of the coaxial jet to control the thermal-mixing behavior. A coaxial-jet nozzle designed and inserted into a rectangular cross section confined channel. The coaxial jet consists of two water jets at different temperatures that were positioned on the same axis.

    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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  • Comparison of Jameson cell and jet diffuser flotation

    2017-10-20 · 1 Department of Mining Engineering, Eskisehir Osmangazi University, Eskisehir, Turkey 2 Department of Mining Engineering, Dumlupinar University, Kutahya, Turkey Corresponding author: [email protected] (Oktay Sahbaz) Abstract: A Jet Diffuser Flotation Column (JDFC) is a newly designed flotation …

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  • Publications

    Here, we use FLAC 2D to investigate the interaction of a single tunnel and twin tunnels-surface structures on the site response. Soil stratification and properties are selected based on Line. No 7 of the Tehran subway. The effect of surface structure is considered in two ways: Equivalent surcharge and geometrical modeling of the …

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  • Ablation Analyses of Optimized Nose Tips for

    2019-8-5 · Bezier curves are used for geometry parameterization. The objective of design is to minimize drag while keeping aerodynamic heating below initial values. Although the ablation analysis is excluded in the design process, the noncharring ablation characteristics of the baseline and optimized geometries are compared.

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  • Effects of cutting parameters on machinability ...

    2017-12-2 · The milling parameters were set as: cutting speed of 585 m/min, radial depth of cut of 0.635 mm, axial depth of cut of 9.652 mm and feed rate of 0.18 mm/rev. Diffusion based wear emerged as the dominant wear mechanism. In addition, a severe adhesion on flank and rake face was seen, as cutting speed was relatively …

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  • Design optimisation of separate-jet exhausts for the

    2018-9-19 · This geometry formulation is coupled with an automated viscous and compressible flow solution method and a cost-effective design space exploration (DSE) approach. The framework is deployed to optimise the performance of a separate-jet exhaust for very-high-bypass ratio (VHBR) turbofan engine.

    Get Price
  • Energies

    Moreover, the crude oil source depletion and its extraction and processing difficulties have rendered it expensive. There is a need to modify the source to something that should be renewable, reliable, economically feasible, and environmentally benign [9,10].One source is waste cooking oil (WCO), as the cooking oil goes through the …

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  • (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

    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…

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

    Abstract A wide variety of processes make use of plain orifice nozzles. Fuel injectors for internal combustion engines incorporate these nozzles to generate finely atomized sprays. Processes such as jet cutting, jet cleaning, and hydroentanglement, on the other hand, use similar nozzles, but require coherent jets. The spray or jet …

    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
  • The Effect of Nozzle Geometry on Pressure Drop and

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

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

    2018-2-17 · In order to facilitate the research, an air-jet texturing nozzle with a rectangular cross section has been developed. The texturing performance of the nozzles is assessed by means of process observations and on-line measurement of stabilizing zone tension, and also by measuring the in creased linear density of the …

    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
  • The effect of nozzle geometry on local convective heat ...

    The velocity profile at the jet exit (X/D = 0.1) presents a parabolic shape for the tube and an inverted parabolic shape for the round orifice, while the presence of two shear layers renders the cross-shaped orifice more complex and three-dimensional. Thermal results also show that a round orifice on the hemisphere causes higher …

    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 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 …

    Get Price