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  • Effect of Nozzle Port Angle on Transient Flow and

    2018-11-5 · The jet from the upward-angled nozzle port has more horizontal spread (3.38 deg) than the downward-ports jet (1.21 deg). Transient flow in the nozzle bottom region produces asymmetrical counter-rotating double …

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  • Numerical simulation for optimizing the nozzle of moist ...

    The nozzles of moist-mix shotcrete are the key parts of forming a steady jet flow field and ensuring the uniform mixing of water and other ingredients. In this paper, for optimizing the nozzle of moist-mix shotcrete, both the internal and external field of a variety of spray nozzles were simulated and analyzed by adopting orthogonal test method with Fluent …

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  • An investigation on physical phenomena of water-jet ...

    今天 · Furthermore, reports indicate a strong dependency of mechanical properties on the water depth due to increasing oxidation and porosity. However, significant advantages may be realized in case of remote 'wet' repair of pipelines and structural members using underwater wet laser welding, in terms of low cost, convenience and freedom [16] .

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  • Film cooling performance and flow field of compounded ...

    2020-9-1 · Film cooling performance of a novel double jet configuration is numerically analysed. The proposed scheme has a primary compound angle hole along with a secondary hole compounded in the laterally opposite direction. The primary hole is provided with a trench at the coolant hole exit. Numerical analysis is performed using …

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  • Experimental Thermal and Fluid Science

    Experimental Thermal and Fluid Science provides a forum for research emphasizing experimental work that enhances fundamental understanding of heat transfer, thermodynamics, and fluid mechanics.In addition to the principal areas of research, the journal covers research results in related fields, … Read more

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  • Thermodynamic Analysis of Ammonia-Water

    2018-8-17 · shown in Figure 1 are as follows (Arora, 2009). Various properties and mass flow rates at salient points are denoted as suffice as per numbers given in Figures 1 and 2. Refrigerant mass flow rate . 43 e ref q m hh (1) Mass balance for ejector . m m m 1 14 6 (2) Entropy after expansion in the nozzle of ejector. ς ς [ ς 15 15 uΙ Ιϑ15 (3)

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  • Influence of dolomite on mechanical, physical and

    2019-12-4 · Kiran et al investigated the effect of Al 2 O 3, TiO 2, alone and in combination with SiC, on the mechanical properties of glass fiber reinforced epoxy composites. The maximum values of tensile, flexural and impact strength were recorded for Al 2 O 3 and SiC added glass fiber composites.

    Get Price
  • Raju MURUGAN

    Raju Murugan currently works at the MECHANICAL AND AEROSPACE ENGINEERING, Indian Institute of Technology Hyderabad. Raju does research in Mechanical …

    Get Price
  • Influence of thickness of hydrophobic ...

    2021-7-18 · The decrement in pressure at nozzle tip is directly linked to the increase in jet velocity. The same has been measured using pressure gauges, which implies absolute pressure of 1.25 × 10 3, 2.03 × 10 3, and 2.84 × 10 3 N/m 2 at nozzle tip for jet velocity of 35 m/s, 30 m/s, and 25 m/s, respectively. With increase in number of bubbles in the ...

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  • Nozzle: Applications, General-Flow Analysis, Velocity ...

    2021-8-28 · 3. General-Flow Analysis of a Nozzle: Assumptions: 1. The flow of the fluid is assumed to be one dimensional. 2. The change in area and curvature along the axis of the duct are gradual. 3. Thermodynamic and mechanical properties are uniform across planes normal to the axis of a duct. 4. The flow of the fluid is assumed to be steady flow.

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  • Modelling of abrasive waterjet kerf in a double-layered

    The abrasives' velocity profile at each discretized section of the machining zone is known from the abrasives' velocity profile resembling a trapezoidal profile in the jet's core region (30-140d n).The velocity profile slowly transforms from a uniform profile at the exit of the focusing nozzle into a Gaussian shape at higher SoDs (Fig.A.1: Appendix A) [25,26].

    Get Price
  • Raju MURUGAN

    Raju Murugan currently works at the MECHANICAL AND AEROSPACE ENGINEERING, Indian Institute of Technology Hyderabad. Raju does research in Mechanical …

    Get Price
  • Thermodynamic Analysis of Ammonia-Water

    2018-8-17 · shown in Figure 1 are as follows (Arora, 2009). Various properties and mass flow rates at salient points are denoted as suffice as per numbers given in Figures 1 and 2. Refrigerant mass flow rate . 43 e ref q m hh (1) Mass balance for ejector . m m m 1 14 6 (2) Entropy after expansion in the nozzle of ejector. ς ς [ ς 15 15 uΙ Ιϑ15 (3)

    Get Price
  • Numerical simulation for optimizing the nozzle of

    The nozzles of moist-mix shotcrete are the key parts of forming a steady jet flow field and ensuring the uniform mixing of water and other ingredients. In this paper, for optimizing the nozzle of moist-mix shotcrete, both the internal and external field of a variety of spray nozzles were simulated and analyzed by adopting orthogonal test method with Fluent …

    Get Price
  • Influence of thickness of hydrophobic ...

    2021-7-18 · The decrement in pressure at nozzle tip is directly linked to the increase in jet velocity. The same has been measured using pressure gauges, which implies absolute pressure of 1.25 × 10 3, 2.03 × 10 3, and 2.84 × 10 3 N/m 2 at nozzle tip for jet velocity of 35 m/s, 30 m/s, and 25 m/s, respectively. With increase in number of bubbles in the ...

    Get Price
  • Characteristics of a supersonic elliptic jet

    The Reynolds numbers of the Mach 2 jet based on nozzle exit diameter are 7.12 × 10 5 and 16.6 × 10 5, respectively, for the minimum and maximum NPRs of 4 and 8 in the present investigation. The design Mach number of the elliptic nozzle is 2. After nozzle fabrication, it is essential to ensure whether the design Mach number is achieved.

    Get Price
  • BLASTING TECHNICAL INFORMATION - MC Finishing

    2021-6-28 · The air jet is 1/2 the ID of the nozzle and as the air stream is passed through both, it creates a low pressure which sucks the media from the hopper into the air stream. The media acceleration distance is very short ( from the nozzle to the workpiece-approximately 4 to 14”).

    Get Price
  • A review of the state-of-the-art nanofluid spray and jet ...

    2020-12-22 · Nanofluid spray/jet impingement cooling is widespread and finds applications in many scientific and industrial paradigms. Because of these ubiquities of nanofluid spray/jet impingement cooling, this branch of fluid dynamics has attracted great attention from the scientific community.

    Get Price
  • Stand-off-Distance - an overview

    2012-4-2 · 6.3.5 Stand-off distance effects. The influence of stand-off distance on depth of cut is shown in Fig. 6.18. Depth of cut decreases continuously if stand-off distance increases, but the decrease is only marginal. The major reason may be the deceleration of abrasive particles due to air friction, and it was in fact shown by Khan and Geskin (1995 ...

    Get Price
  • Influence of dolomite on mechanical, physical and

    2019-12-4 · Kiran et al investigated the effect of Al 2 O 3, TiO 2, alone and in combination with SiC, on the mechanical properties of glass fiber reinforced epoxy composites. The maximum values of tensile, flexural and impact strength were recorded for Al 2 O 3 and SiC added glass fiber composites.

    Get Price
  • Effects of Dispensing Pressure and Nozzle Diameter on

    2008-2-6 · However, the effects of these biomanufacturing processes on cells have not been fully studied. This paper examines the effect of solid freeform fabrication–based direct cell writing process, focusing on dispensing pressure and nozzle size, on the viability and functional behavior of HepG2 cells encapsulated within alginate.

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  • Numerical Analysis of Flowfield in Linear Plug Nozzle

    2021-8-9 · A linear aerospike nozzle is a kind of altitude adaptive nozzle that has optimum performance over the entire operational range. In this work, flow characteristics of a linear plug nozzle and a truncated plug with 40% plug length are studied numerically.

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  • TEM specimen preparation techniques

    TEM specimen preparation techniques D. V. Sridhara Rao1, K. Muraleedharan1 and C. J. Humphreys2 1 Electron Microscopy Group, Defence Metallurgical Research Laboratory, Kanchanbagh Post, Hyderabad ...

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  • Jet Pumps Selection Guide: Types, Features,

    2020-8-17 · Jet pumps are centrifugal pumps with an ejector (venturi nozzle) attached at the discharge outlet. They function based upon the Venturi effect of Bernoulli's principle - utilizing constriction to reduce …

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  • IOP Conference Series: Materials Science and

    2021-5-10 · The mechanical properties evaluated in terms of maximum tensile strength, impact energy and hardness was obtained for DP-GMAW sample. This superior mechanical behaviour of DP-GMA welded sample was attributed to the better grain refinement occurred due to double pulsation effect.

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  • Acoustics Group

    We undertake projects ranging from fundamental science to real-world applications and are active in three major areas: aeroacoustics of aircraft engines; ultrasonics and underwater acoustics; and noise source imaging and virtual acoustics. The Group includes the Rolls-Royce University Technology Centre in Propulsion Systems Noise .

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  • Subsonic and Transonic Jet Control with Cross-Wire

    2012-5-2 · Effect of tab parameters on the near-field mixing characteristics of a Mach 1.5 elliptic jet Physics of Fluids, Vol. 33, No. 3 Experimental investigation on mixing characteristics of high speed co-flow jets by using tabbed chevron nozzle

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  • (PDF) LOX/Methane Technology Efforts for Future

    PDF | On May 1, 2008, Oskar Haidn and others published LOX/Methane Technology Efforts for Future Liquid Rocket Engines | Find, read and cite all the research you need on ResearchGate

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  • Jet Grouting -Procedure, Applications and Advantages

    Jet grouting finds is a method of ground improvement and finds applications in the following: 1. For construction of horizontal barriers. 2. Control of groundwater. Jet columns can act as horizontal barriers to control the ground water around dams or areas of contaminated ground. This also decreases the soil permeability.

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  • (PDF) Regenerated cellulose by the Lyocell process, a ...

    2021-5-13 · Table 2 also contains the mechanical properties and Fig. 2 is a representative stress-strain curve for each fibre series. The air-dried fibre has a tensile strength of 175.8 MPa and an elongation ...

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  • Modelling of abrasive waterjet kerf in a double-layered ...

    The abrasives' velocity profile at each discretized section of the machining zone is known from the abrasives' velocity profile resembling a trapezoidal profile in the jet's core region (30-140d n).The velocity profile slowly transforms from a uniform profile at the exit of the focusing nozzle into a Gaussian shape at higher SoDs (Fig.A.1: Appendix A) [25,26].

    Get Price
  • Raju MURUGAN

    Raju Murugan currently works at the MECHANICAL AND AEROSPACE ENGINEERING, Indian Institute of Technology Hyderabad. Raju does research in Mechanical Engineering and Aerospace Engineering. Their ...

    Get Price
  • Thermodynamic Analysis of Ammonia-Water

    2018-8-17 · shown in Figure 1 are as follows (Arora, 2009). Various properties and mass flow rates at salient points are denoted as suffice as per numbers given in Figures 1 and 2. Refrigerant mass flow rate . 43 e ref q m hh (1) Mass balance for ejector . m m m 1 14 6 (2) Entropy after expansion in the nozzle of ejector. ς ς [ ς 15 15 uΙ Ιϑ15 (3)

    Get Price
  • Numerical simulation for optimizing the nozzle of moist ...

    The nozzles of moist-mix shotcrete are the key parts of forming a steady jet flow field and ensuring the uniform mixing of water and other ingredients. In this paper, for optimizing the nozzle of moist-mix shotcrete, both the internal and external field of a variety of spray nozzles were simulated and analyzed by adopting orthogonal test method with Fluent …

    Get Price
  • Influence of thickness of hydrophobic ...

    2021-7-18 · The decrement in pressure at nozzle tip is directly linked to the increase in jet velocity. The same has been measured using pressure gauges, which implies absolute pressure of 1.25 × 10 3, 2.03 × 10 3, and 2.84 × 10 3 N/m 2 at nozzle tip for jet velocity of 35 m/s, 30 m/s, and 25 m/s, respectively. With increase in number of bubbles in the ...

    Get Price
  • Characteristics of a supersonic elliptic jet

    The Reynolds numbers of the Mach 2 jet based on nozzle exit diameter are 7.12 × 10 5 and 16.6 × 10 5, respectively, for the minimum and maximum NPRs of 4 and 8 in the present investigation. The design Mach number of the elliptic nozzle is 2. After nozzle fabrication, it is essential to ensure whether the design Mach number is achieved.

    Get Price
  • BLASTING TECHNICAL INFORMATION - MC Finishing

    2021-6-28 · The air jet is 1/2 the ID of the nozzle and as the air stream is passed through both, it creates a low pressure which sucks the media from the hopper into the air stream. The media acceleration distance is very short ( from the nozzle to the workpiece-approximately 4 to 14”).

    Get Price
  • A review of the state-of-the-art nanofluid spray and jet ...

    2020-12-22 · Nanofluid spray/jet impingement cooling is widespread and finds applications in many scientific and industrial paradigms. Because of these ubiquities of nanofluid spray/jet impingement cooling, this branch of fluid dynamics has attracted great attention from the scientific community.

    Get Price
  • Stand-off-Distance - an overview

    2012-4-2 · 6.3.5 Stand-off distance effects. The influence of stand-off distance on depth of cut is shown in Fig. 6.18. Depth of cut decreases continuously if stand-off distance increases, but the decrease is only marginal. The major reason may be the deceleration of abrasive particles due to air friction, and it was in fact shown by Khan and Geskin (1995 ...

    Get Price
  • Influence of dolomite on mechanical, physical and

    2019-12-4 · Kiran et al investigated the effect of Al 2 O 3, TiO 2, alone and in combination with SiC, on the mechanical properties of glass fiber reinforced epoxy composites. The maximum values of tensile, flexural and impact strength were recorded for Al 2 O 3 and SiC added glass fiber composites.

    Get Price
  • Effect of co-flow velocity ratio on evolution of poly ...

    2020-9-3 · The effect of the co-flow velocity ratio on the particle size–velocity correlation and velocity statistics of both phases are studied with an emphasis on understanding the differences in the particle dispersion due to co-flow around the central jet.

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  • Google Scholar

    Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources: …

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  • Recent progress on jet printing of oxide-based thin

    2019-2-1 · Electro-hydrodynamic jet printing is a newly developed non-contact printing technology that based on the electro-hydrodynamic effect. In this technique, stable fluid jet is induced by the electric field that sets between the conductive nozzle and substrate. The diameter ratio of jet flow to nozzle can be less than 1/5.

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  • A Review on Natural Fiber Reinforced Polymer

    2021-2-22 · The mechanical properties of the resulting wood fiber and sisal fibers reinforced PP composites through plasma treatment had been increased as compared with the untreated natural fibers. The tensile strength improved by as much as 16% for both wood fiber and sisal fibers reinforced PP composites.

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  • Pressure Relief Valve Engineering Handbook

    2015-3-6 · or nozzle mounted on the pressurized system, a disc held against the nozzle to prevent flow under normal system operating conditions, a spring to hold the disc closed, and a body/bonnet to contain the operating elements. The spring load is adjustable to vary the pressure at which the valve will open. CHAPTWO.PM6 1 9/22/97, 7:46 AM

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  • Mechanical Engineering Journal - jstage.jst.go.jp

    There are three criteria typically used in the design of dynamic vibration absorbers (DVAs): H ∞ optimization, H 2 optimization, and stability maximization. Recently, interest has shifted to the optimization of multi-mass DVAs, but in fact, in even the most basic single-mass DVA, the effect of primary system damping on the optimal solution is still not …

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  • DIN - Pfaudler

    • Gaskets for glass-lined nozzles to DIN 28148 optionally with gasket insert made of AF3000, AF3000m or GR3000 Jacket connections to DIN EN 28151-1, optionally: • In position A1/A2, without agitating nozzles • In position B1/B2, with agitating nozzles; the agitating nozzles are included in the part numbers Manhole unit

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  • Spray Equipment and Calibration — Publications

    Spray Equipment and Calibration. (AE73, Revised March 2018) Download PDF. Many pesticides used to control weeds, insects, and disease in field crops, ornamentals, turf, fruits, vegetables, and rights-of-way are applied with hydraulic sprayers. Tractor- mounted, pull-type, pickup-mounted and self-propelled sprayers are available from numerous ...

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  • Fluid Flow Notes - University of Manchester

    2016-5-31 · more): solid, liquid, gas, or plasma (although materials with intermediate properties exist, in particular, materials that exhibit both solid-like and fluid-like properties e.g. liquid crystals). A fluid is a liquid or a gas, which differ from solids in that Fluids Fluids deform continuously under the action of an applied shear stress.

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  • Engineering Notes India - Essays, Research Papers

    2 天前 · Huge Collection of Essays, Research Papers and Articles on Engineering Notes India shared by visitors and users like you. Business Management Ideas. Engineering Notes India ... Supported file types: pdf, txt, doc, ppt, xls, docx, and more By uploading, you agree to our Uploader Agreement.

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  • Engineering Notes India - Essays, Research Papers

    2 天前 · Huge Collection of Essays, Research Papers and Articles on Engineering Notes India shared by visitors and users like you. Business Management Ideas. Engineering Notes India ... Supported file types: pdf, txt, doc, ppt, xls, docx, and more By uploading, you agree to our Uploader Agreement.

    Get Price
  • Spray Equipment and Calibration — Publications

    Spray Equipment and Calibration. (AE73, Revised March 2018) Download PDF. Many pesticides used to control weeds, insects, and disease in field crops, ornamentals, turf, fruits, vegetables, and rights-of-way are applied with hydraulic sprayers. Tractor- mounted, pull-type, pickup-mounted and self-propelled sprayers are available from numerous ...

    Get Price
  • Tanveer Hussain

    Effect of Elastane Denier and Draft Ratio of Core-Spun Cotton Weft Yarns on the Mechanical Properties of Woven Fabrics more by Michael Liu and Tanveer Hussain Elastane percentage in the core-spun cotton yarn of a specific linear density can be affected in two ways: either by changing the elastane denier or the draft ratio.

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  • Fluid Flow Notes - University of Manchester

    2016-5-31 · more): solid, liquid, gas, or plasma (although materials with intermediate properties exist, in particular, materials that exhibit both solid-like and fluid-like properties e.g. liquid crystals). A fluid is a liquid or a gas, which differ from solids in that Fluids Fluids deform continuously under the action of an applied shear stress.

    Get Price
  • Experimental Research of Diffusion Combustion and ...

    An artificial material X, which is defined as such that it has exactly the same thermochemical, transport, and radiation properties as the real CO2 and is chemically inert, was adopted to separate ...

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  • IJERT – International Journal of Engineering Research

    International Journal of Engineering Research & Technology is a peer-reviewed, open access and multidisciplinary engineering, technology and science journal that publishes original research & review articles of all major branches of Engineering, Science and Technology. We have adopted a fully open access publishing model which allows open …

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  • Numerical Study on Effect of Secondary Surface on ...

    2020-6-18 · One way of achieving higher efficiency in electro-mechanical is by inducing vortices over the heated surface with the help of a vortex generator (VG). The strength of these vortices is proportionate to the amount of heat transported.

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  • Thermal Performance Evaluation of Cork Phenolic for

    2018-4-11 · Hence, the nozzle divergent of the strap-on beyond compliance ring is thermally protected by a coating of PC10 insulation applied over carbon/epoxy structural backup. Though the system worked satisfactorily, application of PC10 had increased the inert weight of each nozzle by 165 kg and took long time for realization.

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  • Effect of Adhesive Cementation Strategies on the

    2016-5-1 · Zirconia-based ceramics have superior mechanical properties compared to the other ceramic materials, such as glass-based ceramics. 1,2 This material has been used as the framework for crowns and fixed dental prostheses (FDPs) during the last two decades and, more recently, has been indicated for monolithic crowns or FPDs. 3 Since …

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  • Supercharger Development in the U.S. During the Inter

    In 1935 the Cyclone compressor had a peak adiabatic efficiency of 68% at a pressure ratio of 1.3. By 1940 the compressor was delivering a 2.7 pr with the same efficiency as the earlier version and, at lower pressures, exceeded 70%. In 1939 Pratt & Whitney initiated its own in-house supercharger development program.

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  • Modelling of abrasive waterjet kerf in a double-layered

    The abrasives' velocity profile at each discretized section of the machining zone is known from the abrasives' velocity profile resembling a trapezoidal profile in the jet's core region (30-140d n).The velocity profile slowly transforms from a uniform profile at the exit of the focusing nozzle into a Gaussian shape at higher SoDs (Fig.A.1: Appendix A) [25,26].

    Get Price
  • Raju MURUGAN

    Raju Murugan currently works at the MECHANICAL AND AEROSPACE ENGINEERING, Indian Institute of Technology Hyderabad. Raju does research in Mechanical Engineering and Aerospace Engineering. Their ...

    Get Price
  • Thermodynamic Analysis of Ammonia-Water

    2018-8-17 · shown in Figure 1 are as follows (Arora, 2009). Various properties and mass flow rates at salient points are denoted as suffice as per numbers given in Figures 1 and 2. Refrigerant mass flow rate . 43 e ref q m hh (1) Mass balance for ejector . m m m 1 14 6 (2) Entropy after expansion in the nozzle of ejector. ς ς [ ς 15 15 uΙ Ιϑ15 (3)

    Get Price
  • Numerical simulation for optimizing the nozzle of

    The nozzles of moist-mix shotcrete are the key parts of forming a steady jet flow field and ensuring the uniform mixing of water and other ingredients. In this paper, for optimizing the nozzle of moist-mix shotcrete, both the internal and external field of a variety of spray nozzles were simulated and analyzed by adopting orthogonal test method with Fluent …

    Get Price
  • Influence of thickness of hydrophobic ...

    2021-7-18 · The decrement in pressure at nozzle tip is directly linked to the increase in jet velocity. The same has been measured using pressure gauges, which implies absolute pressure of 1.25 × 10 3, 2.03 × 10 3, and 2.84 × 10 3 N/m 2 at nozzle tip for jet velocity of 35 m/s, 30 m/s, and 25 m/s, respectively. With increase in number of bubbles in the ...

    Get Price
  • Characteristics of a supersonic elliptic jet

    The Reynolds numbers of the Mach 2 jet based on nozzle exit diameter are 7.12 × 10 5 and 16.6 × 10 5, respectively, for the minimum and maximum NPRs of 4 and 8 in the present investigation. The design Mach number of the elliptic nozzle is 2. After nozzle fabrication, it is essential to ensure whether the design Mach number is achieved.

    Get Price
  • BLASTING TECHNICAL INFORMATION - MC Finishing

    2021-6-28 · The air jet is 1/2 the ID of the nozzle and as the air stream is passed through both, it creates a low pressure which sucks the media from the hopper into the air stream. The media acceleration distance is very short ( from the nozzle to the workpiece-approximately 4 to 14”).

    Get Price
  • A review of the state-of-the-art nanofluid spray and jet ...

    2020-12-22 · Nanofluid spray/jet impingement cooling is widespread and finds applications in many scientific and industrial paradigms. Because of these ubiquities of nanofluid spray/jet impingement cooling, this branch of fluid dynamics has attracted great attention from the scientific community.

    Get Price
  • Stand-off-Distance - an overview

    2012-4-2 · 6.3.5 Stand-off distance effects. The influence of stand-off distance on depth of cut is shown in Fig. 6.18. Depth of cut decreases continuously if stand-off distance increases, but the decrease is only marginal. The major reason may be the deceleration of abrasive particles due to air friction, and it was in fact shown by Khan and Geskin (1995 ...

    Get Price
  • Influence of dolomite on mechanical, physical and

    2019-12-4 · Kiran et al investigated the effect of Al 2 O 3, TiO 2, alone and in combination with SiC, on the mechanical properties of glass fiber reinforced epoxy composites. The maximum values of tensile, flexural and impact strength were recorded for Al 2 O 3 and SiC added glass fiber composites.

    Get Price