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2018-2-1 · To impinge HPC as double-jets, a specially designed and fabricated nozzle has been employed. The evaluation has been executed in two steps: firstly, based on the ability of HPC to reduce the cutting temperature, and secondly, the relevance of this temperature lowering with favorable curbing of the cutting force, tool wear, surface …
Get Price2020-8-5 · This double-jet MQL delivery system when employed, ensures the consistent coolant delivery to the appropriate positions. Moreover, embedded nozzles confirm the elimination of setup time. So, compared to the conventional single jet MQL, double-jet MQL delivery system perform far better.
Get Price2017-10-15 · Nozzle was an important component of the drilling device assisted with water jet, which had a profound influence on the effect of water jet drilling. The pressure and velocity distribution characteristics of the flow field were investigated through the numerical simulation to analyze the debris carrying performance and rock breaking …
Get Price2016-4-23 · 7. Effect of gap distance: The gap distance between the nozzle tip and the parent platesurface was varied from almost 0 to 7 mm at varying gas (gas) pressure, and temperature as shown below [1]. Fig .1 gap distance between torch and the job versus temperature of hot air [3] 8. Effect of weld joint: It is shown that double V-
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 Price2019-9-12 · spray-induced air jet in the near-field region. In the far field, the centreline of spray-induced jet was found to be behaving as a single phase jet. Gu et al. 19 simulated mono-disperse spray of conventional and biofuels injected into a 1Indian Institute of Science, Bangalore, currently at GE-Aviation, Bangalore, India
Get Price2016-4-23 · 7. Effect of gap distance: The gap distance between the nozzle tip and the parent platesurface was varied from almost 0 to 7 mm at varying gas (gas) pressure, and temperature as shown below [1]. Fig .1 gap distance between torch and the job versus temperature of hot air [3] 8. Effect of weld joint: It is shown that double V-
Get Price2016-9-9 · Jet Impingement is a technique in which a liquid jet with high velocity impinges on a surface and flow out from the surface. Jet Impingement has higher heat transfer capabilities com-pared to conventional cooling method. So as an attempted a heat exchanger was designed and fabri-cated for another study was exposed to a CFD …
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 PriceThe present work studies the effect of passive exit flexibility on a two-dimensional starting jet. The exit flexibility is introduced by attaching two flexible (deformable) flaps at the jet exit of a high aspect ratio rectangular duct with …
Get Price2017-3-27 · change metallurgical properties or stress rel ieve a part by the ... 1.1.1 Mechanical Blasting: Mechanical blasting most frequently employs-3-the use of cabinet-type equipment. It is available in either ... gun where it is propelled through the nozzle by the jet-Abrasive Blasting.
Get Price2016-8-30 · India to Sheela T R and Ramakrishna H B. He enjoyed the few years before getting into school in Bellur Cross with his grandparents on a farm. This gave him access to grandfather’s farm equipment, old motor bike and cars at an early age which influenced him to become a Mechanical Engineer.
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 Price2013-10-28 · The tenacity of air-jet textured yarns is around 40-80% of the feeder yarns, depending on the raw material and processing parameters. Despite this, the air-jet textured yarns offer few advantages. The production rate for air-jet texturing is 300-600 mlmin which is much higher than the production rate of spun
Get Price2020-4-16 · such as nozzle blades and annulus walls. The objective of the analysis is to study the effect of reduction of temperature and to attain the maximum cooling efficiency on gas turbine blade cooling by varying the geometry of the cooling passages. An attempt is made in this paper to compare the performance of
Get Price2016-5-4 · • Metal powders => Main constituent of a P/M product; final properties of the finished P/M part depends on size, shape, and surface area of powder particles • Single powder production method is not sufficient for all applications Powder production methods: 1. Mechanical methods, 2. Physical methods, 3. Chemical methods 1.
Get PricePEER-REVIEWED ARTICLE bioresources.com Mohanta & Acharya (2015). “Erosion of Luffa-epoxy,” BioResources 10(4), 8364-8377. 8366 Composite Fabrication The conventional hand lay-up technique was used to fabricate composites having
Get Price2019-8-27 · taking a factor of safety of 1.5, size effect of 0.85, surface finish factor of 0.9.The material properties of bar are given by : Ultimate strength of 650 MPa, yield strength of 500 MPa and endurance strength of 350 MPa. UNIT-II a) Explain briefly about the preferred numbers.
Get Price2016-4-23 · 7. Effect of gap distance: The gap distance between the nozzle tip and the parent platesurface was varied from almost 0 to 7 mm at varying gas (gas) pressure, and temperature as shown below [1]. Fig .1 gap distance between torch and the job versus temperature of hot air [3] 8. Effect of weld joint: It is shown that double V-
Get Price2013-10-28 · Indian Journal of Fibre & Textile Research Vol. 28, September 2003, pp. 281 -287 Studies on air-jet textured sewing threads R S Rengasamy', V K Kothari, R Alagirusamy & S Modi Department of Textile Technology, Indian Institute of Technology, New Delhi 110016, India
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 Price2021-2-10 · Two-equation eddy-viscosity turbulence models for engineering applications. F. R. Menter. F. R. Menter. NASA Ames Research Center, Moffett Field, California 94035. Search for more papers by this author.
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