Just fill in the form below, click submit, you will get the price list, and we will contact you within one working day. Please also feel free to contact us via email or phone. (* is required).
Earlier investigations have demonstrated that air interlacing improves the mechanical properties of Self-Twist (ST) yarns. In following of previous efforts, this paper discusses improving of mechanical properties of ST yarn by using double-nozzle jet. In the present work, at first, a Murata jet was attached to Repco ST yarn machine which the air pressure and distance of double-nozzle jet from ...
Get Price2017-4-10 · The effect of nozzle travel rate on machining performance is investigated by the novel simulation and experiments to optimize the parameter. Abstract Jet electrochemical machining is a promising shaping method that has the potential to replace traditional sinking ECM in the industry owing to its flexibility and stability.
Get Price2010-2-1 · A drop forms as a result of the inertial pressure. This pressure equals to ρ v 2 2 in which, ρ is the density of liquid and v is velocity and balanced against the restraining pressure 2γ/r. γ is the surface tension and r is the radius of the deforming surface. By taking a ratio of …
Get Price2021-8-25 · 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.
Get Price2018-6-15 · The incorporation of PA 66-50 gsm nonwoven veils also increased the ILSS and Charpy impact strength of the composites by 25 and 15%, respectively. On the other hand, the PA 66 veils reduced in-plane mechanical properties of CF/EP composites due to lower carbon fiber volume fraction and increased thickness.
Get Price2019-5-3 · Water-jet guided laser cutting technology is a relatively new technology, which utilizes a water jet and laser beam (pulsed Nd: YAG laser) to cut. The technology is able to cut with high precision without blurs. It also produces less heat and pollution at the cutting …
Get Price1995-5-1 · The mechanical properties of age-hardenable aluminum alloy extrusions are critically dependent on the rate at which the part is cooled (quenched) after the forming operation. ... This content is only available via PDF. You do not currently have access to this content. ... Fuel Nozzle Geometry Effects on Cavitation and Spray Behavior at Diesel ...
Get PriceThe 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 simulation software combined.
Get Price2013-9-16 · Double helix geometry within the nozzle reduced the gas column's stability by generating a fast moving wall of gas around a slow moving center. A pierced internal plate initially increased the gas velocity, however, the nozzle was unable to maintain the velocity and the change produced gas columns of similar stability to a standard nozzle.
Get Price2018-10-24 · 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 initial velocities are U j = 27.70, 17.73, 12.31, and 9 ...
Get Price2018-10-24 · 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 initial velocities are U j = 27.70, 17.73, 12.31, and 9 ...
Get Price2021-5-1 · We experimentally explored the distinct effects induced by the geometry of various axisymmetric orifices in the near and intermediate regions of jets at a Reynolds number of Re 10 5 based on the diameter, d = 10 mm, of the orifices. The orifices inspected had thicknesses of ∊ d = 0.2, 1 and 2 and divergence angles of θ = 0 ∘, 20 ∘ and 45 ∘.High-speed planar particle image ...
Get Price2019-8-9 · Ni-Cr-Si alloy samples were fabricated on mild steel via laser additive manufacturing technology. The microstructural evolution and mechanical properties of the samples were studied systematically in as-deposited conditions and under three different types of heat-treated conditions. The scanning electron microscopy, energy-dispersive x-ray spectroscopy and x-ray diffraction results showed that ...
Get Price2019-9-3 · Abstract Internal rotating plasma spraying has been widely used in industrial applications to enhance performance properties and prolong the service life of internal components, such as gas turbines, engine blocks, and oil pipelines. As it is difficult to dissipate the excess heat in the limited and semi-enclosed space, the temperature characteristics of the internal parts have a significant ...
Get Price2012-5-23 · ti-6al-4v alloy fabricated by laser direct deposition: dynamic mechanical properties, constitutive model, and numerical simulation 21 January 2020 | Surface Review and Letters, Vol. 27, No. 08 Solid Particle Erosion Behaviour and Protective Coatings for Gas Turbine Compressor Blades—A Review
Get Price2021-8-1 · Effect of micro shot peening on the mechanical properties and corrosion behavior of two microstructure Ti–6Al–4V alloy Appl. Surf. Sci. , 363 ( 2016 ) , pp. 50 - 58 Article Download PDF CrossRef View Record in Scopus Google Scholar
Get Price2019-5-3 · Water-jet guided laser cutting technology is a relatively new technology, which utilizes a water jet and laser beam (pulsed Nd: YAG laser) to cut. The technology is able to cut with high precision without blurs. It also produces less heat and pollution at the cutting …
Get PriceAdditive Manufacturing technology has a significant impact on the modern world because of its ability to fabricate highly complex computerized geometrics. Pure 3D-printed polymer parts have limited potential applications due to inherently inferior mechanical and anisotropic properties. For more utilization and versatility, the addition of fillers has enhanced their functionalities. 3D printing ...
Get Price2021-8-25 · 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.
Get Price2016-12-15 · On the contrary, in obstructed flows, the jet flow rate decreases since the jet experiences a detrainment process. Specifically, the jet reaches the maximum detrainment coefficient at a specific ...
Get PriceU.S. Army Ballistic Research Laboratory: The effect of muzzle jet asymmetry on projectile motion /, also by Edward M. Schmidt (page images at HathiTrust) U.S. Army Ballistic Research Laboratory: Effect of spin on aerodynamic properties of bodies of revolution , also by L. E. Schmidt, C. H. Murphy, and U.S. Atomic Energy Commission (page ...
Get Price2021-5-24 · Water jet propulsion technology has broad application prospects in the field of ships, and water jet technology is a kind of high and new technology that is booming and has a wide range of applications. However, there are a few studies on the effect of the external jet on the performance of the water jet propulsion pump, and it is urgent to carry out this research.
Get Price2020-3-4 · For the two-phase gas-liquid flow inside the twin-fluid nozzle, the atomizing core is the key component of the initial atomization. Based on the supersonic principle of the Laval effect [25, 26], the design of a new atomizing core was proposed.The structure of the gas channel of the new atomizing core mainly included a convergent section, a throat, and a divergent section.
Get Price[31] Partha Kumar Das and A.B.M. Toufique Hasan 'Effects of Flow Properties on the Performance of a Diffuser-Nozzle Element of a Valveless Micropump', Proceedings of the 11th International Conference on Mechanical Engineering, ICME 2015, Dhaka, Bangladesh, 18-20 December, 2015, Paper ID: 502.
Get Price6.Chuangxin He, Yingzheng Liu*, Lian Gan, Dynamics of the Jet Flow Issued from a Lobed Nozzle: Tomographic Particle Image Velocimetry Measurements, International Journal of Heat and Fluid Flow, submitted, 2020.11.23
Get Price2017-7-18 · Effect of lipid peroxidation on the properties of lipid bilayers: a molecular dynamics study. Biophysical journal 93 , 4225–4236 (2007). ADS CAS Article PubMed PubMed Central Google Scholar
Get PriceThe variation 12 in back pressure has influenced cavitation that may reduce the injection flow rate of the 13 injector nozzle [23]. The backpressure from 0.1 to 3 MPa is indicated to be very small ...
Get PriceJet grouting provides with the following advantages when implemented which are the root causes behind its success: Large cemented material column creation without causing huge ground disturbances (subsoil) Columns form continuous elements forming in different shapes thus improving the mechanical properties and decreasing porosity.
Get Price2016-2-3 · Solution blow spinning (SBS) is a technique developed to produce micro- and nano-scale fibers from polymer solutions in a process that combines principles of melt blowing and electrospinning [1, 2].The technique involves using specialized nozzle that consists of an inner nozzle through which a polymer solution is pumped and a concentric outer nozzle that supplies pressurized air.
Get PriceLiquid jet mixing nozzles and tank mixing systems. Körting liquid jet mixing nozzles are the main components of special mixing systems which can be applied for continuous as well as discontinuous mixing duties. They can be used as complete replacement for mechanical …
Get Price2016-12-29 · Winter Maintenance Improvements, Phase I i ACKNOWLEDGEMENTS Dr. Cahit Evrensel, University of Nevada, Reno, was the Principal Investigator in the
Get PriceL. A. Brignoni and S. V. Garimella, 'Effects of Nozzle-Inlet Chamfering on Pressure Drop and Heat Transfer in Confined Air Jet Impingement,' International Journal of Heat and Mass Transfer, Vol. 43, No. 7, pp. 1133-1139, 2000.
Get PriceThe second purpose is to check effects of using steel fibers with different volume fractions (V f = 0%, V f = 1%, V f = 1.5% and V f = 2%) in reactive powder concrete beams with fixing all other mechanical properties of concrete to show clearly its effect on controlling of mid span deflection with applied loads or in other words, on beam ...
Get Price2019-9-11 · Reviews on the mechanical properties of FDM parts showed that the orientation, density and volume of fiber additions to PMCs can have a great effect on the hardness and other mechanical parameters of the composite. Studies on polycarbonate (PC) has shown that printing in the 0° and 90°, gives the highest values of hardness .
Get PriceVolume 1: Exterior Ballistics, Interior Ballistics, Launch Dynamics, and Others Volume 2: Thermal Ballistics, Explosion Mechanics, and Vulnerability and Survivability ISBN: 978-1-60595-610-7, Two volumes, 2,660 pages, 6x9, hardcover **Newest Volumes in …
Get Price2011-10-19 · This is a simple, efficient and nozzle-free process for the fabrication of nanofibres from a variety of polymeric solutions. Badrossamay et al. 122 fabricated three-dimensional aligned nanofibres by exploiting a high-speed rotating nozzle to form a polymer jet which undergoes stretching before solidification. In this process, known as rotary ...
Get Price2004-12-7 · In the present study, four existing modifications to the two-equation turbulence model are implemented in PAB3D and their effect is assessed for high temperature jet flows. In addition, a new temperature gradient correction to the eddy viscosity term is tested and calibrated.
Get PriceMechanical properties of epoxy materials can be improved more efficiently due to the presence of the mixed curing agent and the gradient solidification induced by a heating-up environment. A relatively short heating induction process plays a key role in yielding high-temperature service capability of the room temperature cured product.
Get PriceEarlier investigations have demonstrated that air interlacing improves the mechanical properties of Self-Twist (ST) yarns. In following of previous efforts, this paper discusses improving of mechanical properties of ST yarn by using double-nozzle jet. In the present work, at first, a Murata jet was attached to Repco ST yarn machine which the air pressure and distance of double-nozzle jet from ...
Get Price2017-4-10 · The effect of nozzle travel rate on machining performance is investigated by the novel simulation and experiments to optimize the parameter. Abstract Jet electrochemical machining is a promising shaping method that has the potential to replace traditional sinking ECM in the industry owing to its flexibility and stability.
Get Price2010-2-1 · A drop forms as a result of the inertial pressure. This pressure equals to ρ v 2 2 in which, ρ is the density of liquid and v is velocity and balanced against the restraining pressure 2γ/r. γ is the surface tension and r is the radius of the deforming surface. By taking a ratio of these two pressures, Weber (We) number can be defined.
Get Price2021-8-25 · 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.
Get Price2018-6-15 · The incorporation of PA 66-50 gsm nonwoven veils also increased the ILSS and Charpy impact strength of the composites by 25 and 15%, respectively. On the other hand, the PA 66 veils reduced in-plane mechanical properties of CF/EP composites due to lower carbon fiber volume fraction and increased thickness.
Get Price2019-5-3 · Water-jet guided laser cutting technology is a relatively new technology, which utilizes a water jet and laser beam (pulsed Nd: YAG laser) to cut. The technology is able to cut with high precision without blurs. It also produces less heat and pollution at the cutting zone, unlike conventional machining. This article reviews the characteristics of this new technology and its usage in laser ...
Get Price1995-5-1 · The mechanical properties of age-hardenable aluminum alloy extrusions are critically dependent on the rate at which the part is cooled (quenched) after the forming operation. ... This content is only available via PDF. You do not currently have access to this content. ... Fuel Nozzle Geometry Effects on Cavitation and Spray Behavior at Diesel ...
Get Price2013-9-16 · Double helix geometry within the nozzle reduced the gas column's stability by generating a fast moving wall of gas around a slow moving center. A pierced internal plate initially increased the gas velocity, however, the nozzle was unable to maintain the velocity and the change produced gas columns of similar stability to a standard nozzle.
Get Price2015-8-6 · Downhole mechanical cutting action required for harder soils is provided by downhole hydraulic motors. Downhole hydraulic motors, commonly referred to as mud motors, convert hydraulic energy from drilling mud pumped from the surface to mechanical energy at the bit. This allows for bit rotation without drill string rotation.
Get PriceEarlier investigations have demonstrated that air interlacing improves the mechanical properties of Self-Twist (ST) yarns. In following of previous efforts, this paper discusses improving of mechanical properties of ST yarn by using double-nozzle jet. In the present work, at first, a Murata jet was attached to Repco ST yarn machine which the air pressure and distance of double-nozzle jet from ...
Get Price2017-4-10 · The effect of nozzle travel rate on machining performance is investigated by the novel simulation and experiments to optimize the parameter. Abstract Jet electrochemical machining is a promising shaping method that has the potential to replace traditional sinking ECM in the industry owing to its flexibility and stability.
Get Price2010-2-1 · A drop forms as a result of the inertial pressure. This pressure equals to ρ v 2 2 in which, ρ is the density of liquid and v is velocity and balanced against the restraining pressure 2γ/r. γ is the surface tension and r is the radius of the deforming surface. By taking a ratio of these two pressures, Weber (We) number can be defined.
Get Price2021-8-25 · 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.
Get Price2018-6-15 · The incorporation of PA 66-50 gsm nonwoven veils also increased the ILSS and Charpy impact strength of the composites by 25 and 15%, respectively. On the other hand, the PA 66 veils reduced in-plane mechanical properties of CF/EP composites due to lower carbon …
Get Price2019-5-3 · Water-jet guided laser cutting technology is a relatively new technology, which utilizes a water jet and laser beam (pulsed Nd: YAG laser) to cut. The technology is able to cut with high precision without blurs. It also produces less heat and pollution at the cutting zone, unlike conventional machining. This article reviews the characteristics of this new technology and its usage in laser ...
Get Price1995-5-1 · The mechanical properties of age-hardenable aluminum alloy extrusions are critically dependent on the rate at which the part is cooled (quenched) after the forming operation. ... This content is only available via PDF. You do not currently have access to this content. ... Fuel Nozzle Geometry Effects on Cavitation and Spray Behavior at Diesel ...
Get Price2013-9-16 · Double helix geometry within the nozzle reduced the gas column's stability by generating a fast moving wall of gas around a slow moving center. A pierced internal plate initially increased the gas velocity, however, the nozzle was unable to maintain the velocity and the change produced gas columns of similar stability to a standard nozzle.
Get Price2015-8-6 · Downhole mechanical cutting action required for harder soils is provided by downhole hydraulic motors. Downhole hydraulic motors, commonly referred to as mud motors, convert hydraulic energy from drilling mud pumped from the surface to mechanical energy at the bit. This allows for bit rotation without drill string rotation.
Get PriceEarlier investigations have demonstrated that air interlacing improves the mechanical properties of Self-Twist (ST) yarns. In following of previous efforts, this paper discusses improving of mechanical properties of ST yarn by using double-nozzle jet. In the present work, at first, a Murata jet was attached to Repco ST yarn machine which the air pressure and distance of double-nozzle jet from ...
Get Price2017-7-21 · 2017-7-21 · Nozzle aspect ratio effect on the mixing of Mach 2 elliptic free jet, issuing from convergent–divergent elliptic nozzles of aspect ratios 2, 3, and 4, in the presence of adverse and marginally favorable pressure gradients at the nozzle exit has been studied experimentally.
Get Price1999-10-20 · 1999-10-20 · As a result, the spray structure formed by pre-filming airblast atomization may be significantly changed. An experimental investigation is carried out to study the effects of fuel nozzle displacement on the structure of a spray formed by a dual orifice pressure atomizer and …
Get Price2019-1-11 · 2019-1-11 · In order to further study the effects of the target channel shape on the cooling performance of the double swirl cooling (DSC), five double swirl channels formed by two overlapping elliptic cylinders with different length ratio between the vertical semi-axis and the horizontal semi-axis are applied.
Get Price2021-5-1 · 2021-5-1 · We experimentally explored the distinct effects induced by the geometry of various axisymmetric orifices in the near and intermediate regions of jets at a Reynolds number of Re 10 5 based on the diameter, d = 10 mm, of the orifices. The orifices inspected had thicknesses of ∊ d = 0.2, 1 and 2 and divergence angles of θ = 0 ∘, 20 ∘ and 45 ∘.High-speed planar particle image ...
Get Price2010-2-1 · 2010-2-1 · A drop forms as a result of the inertial pressure. This pressure equals to ρ v 2 2 in which, ρ is the density of liquid and v is velocity and balanced against the restraining pressure 2γ/r. γ is the surface tension and r is the radius of the deforming surface. By taking a ratio of these two pressures, Weber (We) number can be defined.
Get Price2012-12-1 · 2012-12-1 · The effects of the suspensions of Al 2 O 3 nanoparticles on the overall heat transfer performance for spray cooling using a solid jet nozzle were experimentally and theoretically studied at various flow rates and nanoparticle fractions. Based on a thermal probe embedded in the testing plate, the cooling curves, which represented the transient ...
Get Price2021-3-22 · 2021-3-22 · The Effect of Thermal Barrier Coating Surface Temperature on the Adhesion Behavior of CMAS Deposits ... (kept at a constant temperature) while maintaining a constant hot-side gas temperature and jet velocity representative of modern commercial turbofan high-pressure turbine (HPT) inlet conditions (approximately 1600 K and 200 m/s, or Mach 0.25 ...
Get Price1995-5-1 · 1995-5-1 · The mechanical properties of age-hardenable aluminum alloy extrusions are critically dependent on the rate at which the part is cooled (quenched) after the forming operation. ... This content is only available via PDF. You do not currently have access to this content. ... Fuel Nozzle Geometry Effects on Cavitation and Spray Behavior at Diesel ...
Get Price2019-5-3 · 2019-5-3 · Water-jet guided laser cutting technology is a relatively new technology, which utilizes a water jet and laser beam (pulsed Nd: YAG laser) to cut. The technology is able to cut with high precision without blurs. It also produces less heat and …
Get Price2020-10-13 · IPC-HDBK-840 Solder Mask Handbook Developed by the Solder Mask Handbook Task Group (5-33d) of the Cleaning and Coating Committee (5-30) of …
Get Price2020-1-31 · Cavitation Inside Multi-hole Injectors for Large Diesel Engines and its Effect on the Near-nozzle Spray Structure. Transactions Journal of Engines, SAE paper 2006-01-1114, 115(3), pp. 634–647. Gavaises, M. and Andriotis, A. (2006). Cavitation Inside Multi-hole Injectors for Large Diesel Engines and its Effect on the Near-nozzle …
Get PriceRecent Advances in Computational Science and Engineering. IC-SEC 2002 serves as a forum for engineers and scientists who are involved in the use of high performance computers, advanced numerical strategies, computational methods and simulation in various scientific and engineering disciplines.
Get Price2009-2-24 · The study aims to determine the effect on the average heat transfer coefficient of the slot Reynolds number up to the value of 100000, the nozzle spacing normalised by the slot hydraulic diameter in the range 6 ≤ W/S ≤ 18, the normalised nozzle emergence length, E/S, from 5 to 17 and the normalised nozzle to strip standoff distance Z/S from ...
Get Price2017-11-21 · Characteristic features of the resulting theory are a simple “graph-shearing” process for following the development of traffic waves in time and the frequent appearance of shock waves. The effect of a traffic signal on traffic streams is studied and found to exhibit a threshold effect wherein the disturbances are minor for light traffic but ...
Get Price2021-8-20 · Cleaning nozzle: See nozzle cleaning section Cleaning bead production unit: If alginate is being used, soak the unit in 0.1 M NaOH for 1 hour and then pump the NaOH through the unit using a syringe pump or place the unit within a sonication bath for 1 – 5 minutes to loosen the alginate.
Get Price2015-11-16 · A numerical study on the flow inside a Pelton turbine has been conducted using the model tested by Stamatelos et al. 3 The performance curve measured from the experiment was available at different injector configurations and different rotational speeds of the turbine runner. The reconstructed geometry of the turbine runner and injectors including the casing and the needle is shown in Figure 1.
Get Price2020-11-23 · Mechanical properties; Abstract. ... of an Optomec Aerosol Jet 200 equipped with a 200 µm nozzle. While printing, the ink was held at 23 °C to stabilize the ink, and the printed films were ...
Get PriceInjection molding is the most commonly used manufacturing process for the fabrication of plastic parts. A wide variety of products are manufactured using injection molding, which vary greatly in their size, complexity, and application. The injection molding process requires the use of an injection molding …
Get PriceFangruida: human landing on Mars 10 cutting-edge technology [Fangruida- human landing on Mars 10 innovative and sophisticated technologies] Aerospace Science and space science and technology major innovation of the most critical of sophisticated technology R & D project ----- ----- Aerospace Science Space Science and Technology on behalf of the world's most cutting-edge leader in high ...
Get Price