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2013-10-1 · Effect of the glue type was also reported in other studies , , ; the strength-decrease in water, nano-silver, and nano-zycosil-sprayed double-dovetail joints was quite predictable because all these pre-treatments caused the surface fibers of the joint being loosed, and ultimately the final loading strength decreased .
Get Price2016-7-20 · Indian Journal of Fibre & Textile Research Vol. 41, March 2016, pp. 47-54 Effect of linear density of feed yarn filaments and air-jet texturing process variables on compressional properties of woven fabrics R K Baldua, R S Rengasamy & V K Kotharia Department of Textile Technology, Indian Institute of Technology, New Delhi 110 016, India
Get PriceEffect of the threaded nozzle on delamination and surface texture of PEEK CF30 composite machined by abrasive jet M. Balasubramanian, S. Madhu. The purpose of this study is to bring out the machining characteristics of abrasive jet machining on carbon fibre reinforced thermoplastic composites utilized in aerospace…
Get PriceExperimental 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
Get PriceThe effect of internal grooves cut along the inner surface of the diverging portion of a Mach 1.8 converging-diverging nozzle on the characteristics of an axisymmetric jet …
Get Price2012-12-22 · Characteristic flow modes, flow evolution processes, jet spread width, turbulence properties, and dispersion characteristics of swirling double-concentric jets were studied experimentally. Jet pulsations were induced by means of acoustic excitation. Streak pictures of smoke flow patterns, illuminated by a laser-light sheet, …
Get Price2020-9-1 · 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 …
Get Price2012-2-14 · At the port exit, ( v' ) shows similar positive–negative alternation at ~3 to 4 Hz as found at nozzle bottom for the no-EMBr and double-ruler cases. This observation indicates that the alternating swirling flow of the jet extends into the mold. This effect diminishes with distance from the port and is not viewed near the mold center.
Get Price2018-8-17 · 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 Price2 天前 · 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 PriceEffect of the threaded nozzle on delamination and surface texture of PEEK CF30 composite machined by abrasive jet M. Balasubramanian, S. Madhu. The purpose of this study is to bring out the machining characteristics of abrasive jet machining on carbon fibre reinforced thermoplastic composites utilized in aerospace…
Get Price2016-7-20 · Indian Journal of Fibre & Textile Research Vol. 41, March 2016, pp. 47-54 Effect of linear density of feed yarn filaments and air-jet texturing process variables on compressional properties of woven fabrics R K Baldua, R S Rengasamy & V K Kotharia Department of Textile Technology, Indian Institute of Technology, New Delhi 110 016, India
Get Price2015-9-1 · Ohlsson et al., investigated the effects of cutting pressure, abrasive amount in the jet, lateral speed on the cutting depth and surface features for grey cast iron and steel , , In Hashish and Schreiber's studied they had reported that the laser and abrasive water jet methods have unique cutting capabilities , , .
Get PriceFurthermore, 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] .
Get PriceThe 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 PriceThe effect of release nozzle diameter on the maximum overpressure in a free jet without impingement is as follows (800 ms ignition delay): D = 1.5 mm – overpressure is not registered, D = 3.2 mm – overpressure is 3.5 kPa, D = 6.4 mm – 15.2 kPa, D = 9.5 mm – 16.5 kPa. From these results, it can be concluded that to reduce overpressure ...
Get Price2021-6-28 · 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 Price2012-4-2 · 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 PriceThe mechanical properties of soilcrete or sandcrete played a crucial role in the stability of a jet-grouted tunnel, which has been studied by scholars [21–24]. Inspired by this, the coalcrete generated by JG technique for improving underground soft coal mass was reported recently [ 25 ].
Get Price2020-7-25 · Calculations. The relationships for flow rate, pressure loss and head loss through orifices and nozzles are presented in the subsequent section. These relationships all utilise the parameter. β. …
Get PriceThe effect of release nozzle diameter on the maximum overpressure in a free jet without impingement is as follows (800 ms ignition delay): D = 1.5 mm – overpressure is not registered, D = 3.2 mm – overpressure is 3.5 kPa, D = 6.4 mm – 15.2 kPa, D = 9.5 mm – 16.5 kPa. From these results, it can be concluded that to reduce overpressure ...
Get PriceRaju Murugan currently works at the MECHANICAL AND AEROSPACE ENGINEERING, Indian Institute of Technology Hyderabad. Raju does research in Mechanical …
Get Price2021-6-28 · 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 Price2013-6-25 · For the case of the jet from the R-nozzle, although the jet cross-sectional distribution distorted from a circular cross section at 0.2 mm to an elliptical shape at 1.0 and 3.0 mm, the volume ...
Get Price2014-3-19 · The low-frequency effects of the jet wandering in the molten steel pool. 26,27. scale with the Strouhal number . fh. SEN V. C. 26. This jet wandering can produce transient surface velocities near 1 m second. 26. Single-roll flow patterns are more susceptible to defects via this mechanism, and combinations of flow-control variables …
Get PriceImproved mechanical properties. Forging develops the full impact resistance, fatigue resistance, ductility, creep-rupture life, and other mechanical properties of stainless steels. Repeatable dimensions. Tolerances of a few thousandths are routinely maintained from part to part, simplifying final fixturing and machining requirements.
Get PriceThe effect of jet diameter, jet spacing, manifold pressure and the number of manifolds on the structure and properties of nonwovens is reviewed from literature.
Get Price2005-11-4 · JCTN publishes peer-reviewed research papers in all fundamental and applied research aspects of computational and theoretical nanoscience and nanotechnology and general mathematical procedures dealing with chemistry, physics, materials science, engineering, and biology/medicine. Editor-in-Chief: Professor Dr. Rui-Hua Xie.
Get Price2020-12-22 · 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 Price2019-9-3 · Chen, Y., Liu, X., Zhang, C. & Zhao, Y. Enhancing and suppressing effects of an inner droplet on deformation of a double emulsion droplet under shear. Lab on a Chip 15 , 1255–1261 (2015).
Get PriceRaju Murugan currently works at the MECHANICAL AND AEROSPACE ENGINEERING, Indian Institute of Technology Hyderabad. Raju does research in Mechanical …
Get Price2005-11-4 · JCTN publishes peer-reviewed research papers in all fundamental and applied research aspects of computational and theoretical nanoscience and nanotechnology and general mathematical procedures dealing with chemistry, physics, materials science, engineering, and biology/medicine. Editor-in-Chief: Professor Dr. Rui-Hua Xie.
Get Price2012-8-22 · Turbulence modelling for RANS CFD analyses of multi-nozzle annular jet pump swirling flows. International Journal of Heat and Fluid Flow, Vol. 85 ... Effect of jet-to-crossflow pressure ratio arrangement on turbulent mixing in a flowpath with square staged injectors. ... Analysis and Optimization of Double-Jet Film-Cooling Holes.
Get PriceThe effect of jet diameter, jet spacing, manifold pressure and the number of manifolds on the structure and properties of nonwovens is reviewed from literature.
Get Price2016-11-14 · Idayan et al [23], In this paper, effect of cryogenic treatment is compared to the conventional heat treatment. Effect of cryogenic treatment on the mechanical Properties of AISI 440C Bearing Steel was studied. Cryo treated samples show improved properties then heat treated samples and hardness of the sample is improved by 7% …
Get Price2008-2-6 · 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.
Get Price2019-3-12 · Abrasive waterjet cutting technology has come back into use in the field of rock excavation (such as for tunneling) due to the need for precision construction with low vibration. Because the abrasive particles play an important role in efficient erosion during the cutting process, the abrasive characteristics strongly affect the rock cutting …
Get PriceTGF-β1 potentiates KAT6A acetylation of SMAD3 at K20 and K117, which promotes SMAD3 association with oncogenic H3K23ac reader tripartite motif-containing 24 (TRIM24) and thereby increases SMAD3 transcriptional activation.Activated SMAD3 upregulates immune-related cytokines, leading to enhanced breast cancer stem-like cell properties…
Get PriceJet 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.
Get Price2016-6-1 · MODELLING OF STORAGE TANK IN CAESAR Modeling the storage considering settlement and Bulging effect:- 1. Input the design and operating Temp & Pressure 2. Model the nozzle flange 10-20. 3. Model the projection as pipe element 20-30 with same pipe dia & schedule given in the drawing for the nozzle up to nozzle …
Get Price2008-9-18 · 3. Cleaning methods. Chen et al. showed by applying mathematical models (the Well–Riley model, competing-risk model and Von Foester equation), that public health interventions (vaccination, insulation, tracing down of the contacts of infected people etc.) are not enough to stop the outbreak of a disease in a modern society. They concluded …
Get PriceOral Precautions. With masks, being a mandatory precaution during this pandemic active sanitization of inspired and expired air is required. Huang et al. suggested chemical modulation of respiratory exhales to impregnate the virion-laden droplets with anti-viral/sanitizing molecules.Panda et al. propose a modified anatomical facemask that …
Get Price2021-8-13 · The Effects of Strong Magnetic and Gravitational Fields on Emission Properties of Neutron Stars. (Narayan) PAUTOT, SOPHIE, B.S. (University of Bordeaux I and II) 1995. (University of Bordeaux I and II) 1996. Lipids behavior at dodecane-water interface. (Weitz) PRASAD, VIKRAM, B. Tech. (Indian Institute of Technology) 1996.
Get Price• 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
Get PriceFIG 1 Atmospheric pressure air plasma jet. The nozzle is 1 mm in diameter. The luminous plasma jet extends approximately 25 mm along the axis of the jet body when allowed to expand into air. When a substrate is placed in the expansion field of the jet, it spreads to a diameter of circa 20 mm over the substrate.
Get Price2018-9-25 · physical properties. Rice-wheat is a major cropping system of Eastern Indo-Gangetic plains (IGP) of India and the soil is characterized by low organic carbon (OC) content and poor water retention ability and suffers from the problems of mechanical impedance, scarcity of water and high summer and low winter temperature. Over …
Get Price1. Introduction. The transverse jet or jet in crossflow (JICF) is a canonical flowfield which has many applications for mixing and reaction enhancement in energy and propulsion systems (Margason Reference Margason 1993; Karagozian Reference Karagozian 2010, Reference Karagozian 2014).The present study focuses on round gaseous jets …
Get Price2020-9-3 · 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.
Get Price2019-2-17 · driven as double piles • 2, 4 or 5 jets per double pile • open jet pipe end or directed jet. Equipment used The driving equipment was an ICE 416-L hydraulic vibrator and a Delmag D22 diesel hammer. KSB rotary pumps with single speed and double discharge (for 2 and 4 jets) delivered jetting water. The fifth jet was provided with an …
Get Price2016-5-31 · 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 Price2015-10-26 · in order to evaluate the effect of pulse duration. Masuda et al. (1994) observed that the duration of the jet, as well as the num-ber of jet pulses used are both known to affect removal rates. All of our experiments, however, used a single jet burst; we did not observe a strong effect due to varying the jet duration from 25 to 100 ms …
Get PriceNCEH provides leadership to promote health and quality of life by preventing or controlling those diseases, birth defects, or disabilities resulting from interaction between people and the environment. Site has information/education resources on a broad range of topics, including asthma, birth defects, radiation, sanitation, lead in blood, and more.
Get PriceCold atmospheric plasma jet (CAPJ) or non-thermal plasma jet has been employed in various biomedical applications based on their functions in bactericidal activity and wound healing. However, the effect of CAPJ generated by a particular composition of gases on wound closure and the underlying mechanisms that regulate wound healing …
Get Price2017-9-20 · Faculty Of Engineering at Shobra 2nd Year Civil - 2016 Fluid Mechanics, CVE 214 Dr. Alaa El-Hazek 48 Chapter 7 FLOW THROUGH PIPES 7-1 Friction Losses of Head in Pipes 7-2 Secondary Losses of Head in Pipes
Get Price2012-5-23 · The double-edge effect of second-phase particles on the recrystallization behaviour and associated mechanical properties of metallic materials Progress in Materials Science, Vol. 92 Isothermal sections of the Co–Ni–Ti system at …
Get Price2012-5-23 · Visualization of internal flow and the effect of orifice geometry on the characteristics of spray and flow field in pressure-swirl atomizers. Applied Thermal Engineering, Vol. 127. Comprehensive Study of Cryogenic Fluid Dynamics of Swirl Injectors at Supercritical Conditions.
Get PricePDF | 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
Get PriceIn order to understand the effects of supersonic jet impingement, static tests are conducted in a small-scale rocket motor loaded with a typical nitramine propellant to produce a nozzle exit Mach ...
Get PriceFirst, we measured mechanical properties such as the torsional spring constant and damping coefficient of the wire and the frictional coefficient between the pipe and wire. Second, we conducted an experiment inserting guide wires with various tip pitches, front lengths, front outer diameters, and rear outer diameters.
Get Price2021-8-16 · A Venturi meter is an instrument that measures flow that features a converging piece of pipe to intentionally increase the velocity of the flow and in turn, a pressure drop. From this behaviour the flowrate can be determined. Venturi meters have been a common tool and have been used in. Video of the Day.
Get Price2016-7-20 · Indian Journal of Fibre & Textile Research Vol. 41, March 2016, pp. 47-54 Effect of linear density of feed yarn filaments and air-jet texturing process variables on compressional properties of woven fabrics R K Baldua, R S Rengasamy & V K Kotharia Department of Textile Technology, Indian Institute of Technology, New Delhi 110 016, India
Get Price2020-9-1 · 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 …
Get PriceFig. 1 and Fig. 2 shows the schematic and actual experimental setup used in the present study, respectively. The experimental setup includes a working chamber made of Perspex and a recirculating water supply system using a low capacity pump. The water supply system works in a closed loop to maintain a constant water column above the …
Get Price2015-9-1 · Ohlsson et al., investigated the effects of cutting pressure, abrasive amount in the jet, lateral speed on the cutting depth and surface features for grey cast iron and steel , , In Hashish and Schreiber's studied they had reported that the laser and abrasive water jet methods have unique cutting capabilities , , .
Get PriceExperimental 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
Get Price2018-8-17 · 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 PriceEffect of the threaded nozzle on delamination and surface texture of PEEK CF30 composite machined by abrasive jet M. Balasubramanian, S. Madhu. The purpose of this study is to bring out the machining characteristics of abrasive jet machining on carbon fibre reinforced thermoplastic composites utilized in aerospace…
Get Price2020-7-25 · Calculations. The relationships for flow rate, pressure loss and head loss through orifices and nozzles are presented in the subsequent section. These relationships all utilise the parameter. β. …
Get Price2009-7-21 · Numerical modeling is the best tool to study the arc behavior and heat transfer process inside the plasma spray torch. Both two-dimensional (Ref 8 - 11, 19, 21) and three-dimensional (Ref 12 - 18) models have been developed to understand the arc behavior inside the plasma torch. Two-dimensional models (Ref 8, 10, 21) have …
Get Price2 天前 · 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 PriceOral Precautions. With masks, being a mandatory precaution during this pandemic active sanitization of inspired and expired air is required. Huang et al. suggested chemical modulation of respiratory exhales to impregnate the virion-laden droplets with anti-viral/sanitizing molecules.Panda et al. propose a modified anatomical facemask that …
Get PriceEffect of the threaded nozzle on delamination and surface texture of PEEK CF30 composite machined by abrasive jet M. Balasubramanian, S. Madhu. The purpose of this study is to bring out the machining characteristics of abrasive jet machining on carbon fibre reinforced thermoplastic composites utilized in aerospace…
Get Price2004-4-1 · Effect of Raw Material Characteristics (of the Feed Yarn) on Structure and Properties of Air Jet Textured Yarns. II. Effect of Filament Cross-Sectional Shape, Melliand Textilberichte, 71(12): 935-937 & E421-E422. Google Scholar
Get PriceEffects of salt and heat treatment on the physicochemical properties, microstructure, secondary structure, and simulated in vitro gastrointestinal digestion of duck egg white Xuejing Gao , Weibo Guo , Na Wu , Yao Yao , Huaying Du , Mingsheng Xu , …
Get Price2016-10-23 · The effects of spinning parameters, such as applied voltage, nozzle size, and rotational speed on fiber morphology have been evaluated systematically. We find that vertical voltage is strongly correlated with the formation of bead defects, and nozzle size is the most important parameter on fiber size, and the fiber diameter generally …
Get PriceFIG 1 Atmospheric pressure air plasma jet. The nozzle is 1 mm in diameter. The luminous plasma jet extends approximately 25 mm along the axis of the jet body when allowed to expand into air. When a substrate is placed in the expansion field of the jet, it spreads to a diameter of circa 20 mm over the substrate.
Get Price2018-4-12 · The yield stress of the weld metal is also raised due to the quenching effect. The metal alloys constituting the electrode contribute to the increase in yield stress. These alloys penetrate the parent metal influencing its mechanical properties. Due to the lower yield stress and higher transverse contraction in the parent metal, it
Get Price2014-11-7 · The configuration of the nozzle and buckets in a Pelton wheel turbine The nozzle is controlled by movement of the spear regulator along the axis of the nozzle which alters the annular space between the spear and the housing, the spear being shaped so as to induce the fluid to coalesce into a circular jet …
Get Price2019-10-2 · Roman D. Hryciw, Junxing Zheng, Kristen Shetler Particle Roundness and Sphericity from Images of Assemblies by Chart Estimates and Computer Methods, Journal of Geotechnical and Geoenvironmental Engineering 142 , no.9 9 (Sep 2016) : …
Get Price2021-3-8 · The spreading of the jet has been found to reduce by increasing the velocity of the plate. The jet half-width lies very close to the wall for the plate to jet velocity 1.5 and 2. For two extreme limits of plate velocity, i.e., U plate = 0 and 2, the nearly self-similar profiles are observed at different axial locations in the wall jet region.
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