All articles
431 articles
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CFD Analysis and Prediction of Shockwave/Boundary-Layer Interaction at Hypersonic Flows Using RANS Models
Abstract: Interaction of shockwaves with turbulent boundary layer plays an important role in the design and operability of high-speed aerospace vehicles and air-breathing engines. The adverse pressure gradient of the shock is often strong enough to separate the boundary layer. The objective of the present research paper deals with the analysis of hypersonic viscous flows dominated by strong shockwave/boundary-layer interactions (SWBLI) over wing-flap and wing-fuselage junction configurations. The effects of the …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 2, 2019 · pp. 33–50 Read article
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Effectiveness of Vegetable oil Based Cutting Fluid (VBCF) with Non-ionic Surfactants in Turning EN8 Steel
Abstract: In the present work, properties of the the non-ionic surfactants have been used to formulate vegetable oil based cutting fluid (VBCF) palm oil for the emulsion as non-conventional lubricant. Tool temperature and surface finish are plays an important indicator of quality in manufacturing industries and thus they are regarded as the most important parameters to be considered. In this present work different machining parameters were taken and their effect on …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 5, Issue 2, 2019 · pp. 21–30 Read article
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The Effect of Compression Ratio on the Performance and Emissions of Internal Combustion Engine Using Oxy Fuels
Abstract: Energy sources are becoming a major issue, with the main concern being cost and continuous supply. The production of oxy fuels is cheap, simple and environmentally friendly, as well as being able to be produced locally, reducing the cost of transporting fuel. Oxy fuels are used as a pure fuel directly in an engine or can be mixed with fossil fuel. The fuels granted under oxy fuels are methanol, ethanol, …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 5, Issue 2, 2019 · pp. 1–10 Read article
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Review on Effect of Exhaust Gas Recirculation (EGR) on Performance of Compression Ignition (CI) Engine and Homogeneous Charge Compression Ignition (HCCI) Engine
Abstract: Energy conservation is a trending topic in the world. But only saving energy is not the primary aim, there is a need for clean and efficient source of energy to reduce the pollution. Compression ignition engine is the preferred prime movers due to excellent drivability and higher thermal efficiency. Even though it has many advantages, it also has major drawbacks as it produces higher level of NOx and smoke emissions …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 5, Issue 2, 2019 · pp. 11–20 Read article
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Study the effect of lubrication on hardness in the ring compression test
Abstract: Mild Steel is commonly used to produce automotive parts such as shafts, gears and bearings. This paper focuses on the hardness distribution in the mild steel ring specimen after compress under rigid dies. Three different types of lubricants namely boric acid, Vaseline, grease and dry condition were employed as lubricants and the coefficient of friction corresponding to the lubricant evaluated using standard ‘Ring compression test’. The strain distributions obtained from …
Published in International Journal of Manufacturing and Materials Processing · Vol. 5, Issue 2, 2019 · pp. 18–27 Read article
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A REVIEW ON SOFTWARE ANALYSIS OF EARTH HEAT EXCHANGER
Abstract: Renewable energy is the best source of energy. It is abundant in nature, it’s just like a gift of god. Nowadays, heating and cooling is a major issue in environment due to global warming. A major part of energy is being engaged in such issues. So Earth tube heat exchanger is a renewable source of energy for heating and cooling of any building. An Earth Air Tube Heat Exchanger (EATHE) …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 2, 2019 · pp. 26–32 Read article
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Computational Analysis of Shockwave–Boundary Layer Interaction at Hypersonic Speeds
Abstract: Successful plan of present-day supersonic and hypersonic vehicles requires a comprehension of the physical stream field structure of shockwave–boundary-layer interactions (SWBLIs) and productive reproduction techniques for their portrayal. The significant focal point of this paper is two-dimensional (2D) hypersonic SBLI as well as stream portrayal and physical properties around SWBLIs; be that as it may, even in ostensibly 2D/axis-symmetric streams, the mean stream measurements might be 3D.The objective of the …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 2, 2019 · pp. 1–25 Read article
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Application of Response Surface Method in Studying the Properties of Micro-plasma Arc Welded AISI 904L Super Austenitic Steel
Abstract: Super austenitic steels play a major role in fabrication of corrosion resistance components which are subjected to severe corrosion. In the present work, super austenitic steel AISI 904L of 0.4 mm thickness is butt welded using Micro Plasma Arc Welding. Welding input parameters like peak current, base current, pulse rate and pulse width are considered and output responses like fusion zone grain size, hardness and ultimate tensile strength of the …
Published in International Journal of Manufacturing and Materials Processing · Vol. 5, Issue 2, 2019 · pp. 1–17 Read article
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A Review on Performance Analysis of CMOS Inverter
Abstract: In this paper, first we study the various inverter circuits and analyze its performance in terms of noise margin, area, power dissipation and computational delay. After that analyze the various parameter of CMOS Inverter circuit using Pyxis schematic tools of Mentor graphics with TSMC 018 CMOS process technology. Based on this simulation, analyze the rise time, fall time and dynamic power dissipation of CMOS inverter. Finally, we got the good …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 1, 2019 · pp. 29–35 Read article
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AI Techniques for Data Analytics and Data Science: Software Tools, Research Challenges, Applications: A Review
Abstract: Artificial intelligence is the branch of Computer Science in which multidisciplinary expertise is required and ultimately the main aim is to automate the activities of all human which require human intelligence. The main issue is to design or create machine that completely works like a human brain. Artificial Intelligence architecture focuses on evaluation and redesigns design process. Now days Data Science is most popular all around the world and is …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 1, 2019 · pp. 9–17 Read article
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Experimental Investigation of Process Parameters on Machining Force, MRR and Power in Turning of AISI 316 Steel
Abstract: A machining process involves many process parameters which directly or indirectly influence the surface quality of the product. A precise knowledge of these optimum parameters facilitate reduce the machining costs and improve product quality. Current investigation aims to investigate the effect of process parameters; cutting speed, feed and depth of cut in turning of SS-316 which is widely used in automobile industries, each varying in three levels. The response characteristics …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 1, 2019 · pp. 18–25 Read article
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Thermodynamic Analysis of Hybrid-SOFC Gas Turbine Powered by Syngas from Municipal Solid Waste
Abstract: In this paper, the use of renewable energy sources with conventional energy systems is described in the context of a hybrid solid oxide fuel cell (SOFC) gas turbine system which is powered by syngas produced from the gasification of municipal solid waste (MSW). MSW deposits are increasing every day and their disposal measures are not completely effective in recycling them for various purposes in different forms. Here a gas turbine …
Published in International Journal of Mechanics and Design · Vol. 5, Issue 1, 2019 · pp. 51–59 Read article
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Solar passive building cooling - Recent trends and novel approaches
Abstract: Global warming is one of the major threats that mankind faces in the 21th century. About 40% of global energy consumption and Green House Gas (GHG) emissions are accounted by buildings and they play a vital role in global warming. Estimates show that their damaging influence will grow by 1.8% per year through 2050, which specifies that future usage and emissions will be worse than today. Therefore, the necessity of …
Published in International Journal of Mechanics and Design · Vol. 5, Issue 1, 2019 · pp. 10–23 Read article
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CFD Analysis on Exhaust System of a Car
Abstract: The pollution and global warming is due to air pollution. It is to be noted that air pollution is mainly caused by the toxic gases from the exhaust of the automobiles. Only 30% of the fuel is converted into energy source to run the engine remaining 70% of fuel is of un-burnt hydrocarbon, carbon monoxide and nitrogen oxides. From modified catalytic converter, noise level will decrease. Here, the performance of …
Published in International Journal of Mechanics and Design · Vol. 5, Issue 1, 2019 · pp. 38–50 Read article
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Effect of Burr Height in Drilling Low Carbon Steels for Different Drill Point Angles
Abstract: In the present work low carbon steel have been used to observe the burr height at the exit end of the workpiece of a drilled hole under different machining conditions. Three uncoated 12 mm diameter HSS twist drills are used. These drills have different drill point angles, i.e., 118°, 100°, 80°. All the experiments are carried out on a CNC milling machine with and without the application of coolant. Cutting …
Published in International Journal of Mechanics and Design · Vol. 5, Issue 1, 2019 · pp. 24–37 Read article
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Optimization of Process Parameters of GMAW for Penetration, Toughness and Tensile Strength by using Taguchi Method
Abstract: Aluminum and its alloys are having variety of applications in Aircraft, food processing etc. Moreover; the use of Aluminum and its alloys are increasing day by day due to its specific properties, like light weight, high strength, and excellent corrosion resistance. However; the present study is planned to analyze and optimize the aluminum weld joint characteristics like tensile strength, penetration and toughness by using Gas Metal arc welding (GMAW) welding. …
Published in International Journal of Mechanics and Design · Vol. 5, Issue 1, 2019 · pp. 1–9 Read article
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Bidirectional AC-DC Converter for Electric Vehicle Charger
Abstract: This paper presents a single-phase bidirectional ac-dc converter for electrical vehicle charger. The converter is operating in both rectifier and inverter mode depending upon the operation of switches. The bidirectional power flow in rectifier or inverter mode can be achieved by controlling the AC line voltage with PWM technique. For achieving bidirectional flow of power a unipolar or bipolar pulse width modulation (PWM) technique may be applied at ac side …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 1, 2019 · pp. 26–28 Read article
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Computational Simulation of Continuous Centrifugal Machine using Computational Fluid Dynamics
Abstract: In this paper, the centrifugal machine which is used in a sugar industry has been analysed. The centrifugal machine is used for the separation of the molasses and the sugar crystals from the massecuite. The objective behind the analysis of the flow in the centrifuge is to achieve the reduction in the separation process time using the Computational Fluid Dynamics and to increase the tonnes/hour output of the sugar. The …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 1, 2019 · pp. 1–8 Read article
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Identifying, Developing, and Moving Sustainable Communities Through Application of Bioenergy for Energy or Materials: Future Perspective Through Energy Efficiency
Abstract: The demand for energy continued to outstrip supply and necessitated the development of biomass option. Residues were the most popular forms of renewable energy and currently biofuel production became much promising. Agricultural wastes contained high moisture content and could be decomposed easily by microbes. Agricultural wastes were abundantly available globally and could be converted to energy and useful chemicals by a number of micro-organisms. Compost or biofertiliser could be produced …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 5, Issue 1, 2019 · pp. 10–24 Read article
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The Influence of Hexanol and Methyl Acetate as Oxygenated Additives with Diesel Fuel in a Diesel Engine Generator
Abstract: Diesel engines play a vital role in all the major sectors (such as transportation and industrial) due to their high efficiency, durability, reliability and low operating cost. At the same time, they are considered as one of the biggest contributors of environmental pollution by releasing enormous amount of toxic gases to atmosphere (such as NOx, HC, CO2 and PM). Emissions from transport, especially motor vehicles, increase the level of gases …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 5, Issue 1, 2019 · pp. 1–9 Read article