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1013 articles for “characterization”
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Enhancing the Heat Transfer in the Thermal Chimney by Attaching the Fin under CFD Analysis
Abstract: The primary and secondary heaters in heat exchangers were numerically evaluated at nominal temperatures of 140°C for the primary heaters, 100°C for the secondary heaters, and 20°C for the ambient temperature in order to validate the design idea for enhancing the air temperature. The “convective heat transfer” of air in a thermal chimney built to laboratory size using two different types of electrical heaters and a rectangular cross-section of constant …
Published in International Journal of Mechanics and Design · Vol. 9, Issue 2, 2023 · pp. 9–26 Read article
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Experimental Study of Twin Cylinder
Abstract: The experimental study conducted on a twin-cylinder engine offers valuable insights into the performance characteristics and operational behavior of this configuration. This research delves into the intricate dynamics governing twin-cylinder engines, focusing on parameters such as power output, fuel efficiency, emissions, and overall engine dynamics. Through meticulous experimentation and analysis, various operating conditions and load scenarios are explored to comprehensively understand the engine's behavior across different regimes. The experimental findings …
Published in International Journal of Mechanics and Design · Vol. 9, Issue 2, 2023 · pp. 33–48 Read article
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Review of Optimization Process Parameters in Welding system
Abstract: This study was based on design of experiment (DOE) using Taguchi method with four welding parameters namely welding current, welding speed, root gap and electrode angle considered for experimentation. An orthogonal array of L9 experimental design was adopted and ultimate tensile strength was investigated for each experimental run. The tensile test was carried out on extracted welded and unwelded specimens using universal testing machine (UTM). Microstructures of the welded specimens …
Published in International Journal of Manufacturing and Materials Processing · Vol. 2, Issue 1, 2016 · pp. 48–54 Read article
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A Review on Layer Formation Studies in Selective Laser Melting of Steel Powders and Thin Wall Parts Using Pulse Shaping
Abstract: This paper advances the conclusions of the selective laser melting (SLM) of tool steel and stainless steel powders. The characteristic feature is the melting of single layers in deep powder beds by a continuous CO2 laser. First, effect of development parameters on the surface roughness for each material is examined. Based on these results combined with visual observation of the solidified tracks, the question is then discussed as how the …
Published in International Journal of Manufacturing and Materials Processing · Vol. 3, Issue 1, 2017 · pp. 9–15 Read article
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Parametric Appraisal for Compression Behaviour of Machine Made Carpet: Exploration of Taguchi Optimisation Techniques
Abstract: Carpets and rugs are mainly classified into two types as hand-made carpets and machine-made carpets, in present; various machine carpets are available produced with needling and bonding techniques. In this study, an attempt has been made to identify the significant factor affecting the compression behavior of machine made carpets manufactured by M-Tuft hi-tech machine with exploration of Taguchi robust design philosophy for quality and productivity characteristics optimization. Lower the better …
Published in International Journal of Manufacturing and Materials Processing · Vol. 3, Issue 2, 2017 · pp. 16–22 Read article
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Investigation of Optimal Process Parameters of Extrusion Blow Molding Process Using Grey Taguchi Analysis
Abstract: Optimization of machining processes is essential for achieving higher productivity and high-quality products in order to remain competitive. The objective of this study is to optimize the process parameter of extrusion blow molding process for making a plastic container of high density polyethylene (HDPE) grade B52A003 produced by the extrusion blow molding process at CIPET Gwalior. Quality of plastic container of HDPE B52A003 material depends on various parameters. In this …
Published in International Journal of Manufacturing and Materials Processing · Vol. 4, Issue 1, 2018 · pp. 1–11 Read article
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Optimization of Machining Parameters for Nylon 6 Composite in CNC Lathe Using PCA-Based TOPSIS
Abstract: This work investigates the parametric optimization of CNC turning operation for Nylon 6 with principal component analysis (PCA) and technique for order preference by similarity to ideal solution (TOPSIS) based on Taguchi approach. Taguchi’s L16 orthogonal array takes 16 experimental runs to execute the design matrix of turning parameters through PCA coupled with TOPSIS, utilizing relevant experimental data as obtained through experimentation. Turning speed (TS), feed rate (FD) and depth …
Published in International Journal of Manufacturing and Materials Processing · Vol. 4, Issue 1, 2018 · pp. 36–47 Read article
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CFD Analysis of Hydrodynamic Journal Bearing
Abstract: Journal bearings have the longest history on scientific study of any class of fluid-film bearings. These journal bearings are widely used in most of the rotating machineries due to its high load-carrying capacity and formation of fluid-film thickness during the operation. This research paper represents performance evaluation of hydrodynamic journal bearing using Computational Fluid Dynamics (CFD) approach. For this study, two different geometrical bearings are considered (circular and non-circular) operating …
Published in International Journal of Manufacturing and Materials Processing · Vol. 4, Issue 2, 2018 · pp. 23–29 Read article
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Fatigue Life Assessment of Welded Joints: A Review
Abstract: In the present review article, the research and progress in the estimation of fatigue life of welded joints are critically reviewed from different perspectives. The fatigue is the common mode of failure in welded joints. Fatigue strength is recognized as closely related to the accurate geometrical characteristics of the welded joint. The emphasis is done on the scientific techniques applied in the fatigue life estimation of butt and T-joints. Further, …
Published in International Journal of Manufacturing and Materials Processing · Vol. 6, Issue 1, 2020 · pp. 31–39 Read article
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Microstructural and Hardness Study of A390/20wt.% SiC Functionally Graded Metal Matrix Composite
Abstract: Functionally graded materials are the upcoming new class of advanced materials, which exhibit gradual change in the microstructure and the composition in a definite direction, and hence variation in functional performance within a part. Functionally graded metal matrix composites (FGMMC) are FGM with metal and ceramic constituents. Aluminum-Silicon alloys are well-known for their unique combination of desirable characteristics, which includes excellent castability and less density combined with good mechanical properties. …
Published in International Journal of Manufacturing and Materials Processing · Vol. 6, Issue 2, 2020 · pp. 52–58 Read article
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A review on Surface engineering and its methods.
Abstract: Surface engineering is the process of creating a surface/substrate composite system that achieves performance that neither the surface composition nor the substrate alone can achieve. This is achieved by modifying the substrate surface to improve beauty, provide environmental protection, or increase mechanical or physical performance.. Surface engineering plays a significant role in tribology and modifies or coats a component's surface to improve its properties. This article logically analyses a wide …
Published in International Journal of Manufacturing and Materials Processing · Vol. 8, Issue 1, 2022 · pp. 20–23 Read article
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Experimental Investigations for Comparing the Effectiveness of Heat Treatment and Cryogenic Treatment on Wear Performance of EN-47 Spring Steel
Abstract: EN-47 spring steel is chromium, vanadium steel which consists of carbon (0.45–0.55%), manganese (0.50–0.80), silicon (0.50%), phosphorus (0.06%), and sulphur (0.06%) along with chromium (0.80–1.20%) and vanadium (0.15%). Due to this composition EN-47 spring steel become harder and tougher. It has a wide range of applications like crankshafts, steering knuckles, gears, spindles, pumps, suspension etc. So, in this experimental study we treated EN-47 spring steel with cryogenic treatment, cryogenic and …
Published in International Journal of Manufacturing and Materials Processing · Vol. 9, Issue 2, 2023 · pp. 1–9 Read article
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Thermal Management Of Cylindrical Lithium-Ion Battery Using A Wavy Tube
Abstract: To maintain a proper temperature range and eliminate local temperature disparities, thermal management is required for lithium-ion batteries in electric vehicles. A wavy tube is presented for a liquid cooling cylindrical lithium-ion battery module in this research. On the suggested battery module, three-dimensional transient simulations were run, and numerical improvements were made by changing the wavy contact angle of the wavy tube. The heat dissipation efficiency and temperature field homogeneity …
Published in International Journal of Manufacturing and Materials Processing · Vol. 9, Issue 2, 2023 · pp. 10–22 Read article
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Production of Dental Materials by Computer-Aided Manufacturing Technologies
Abstract: The aim of the present paper is to make a review of the modern trends in the development of the technologies for production of dental materials. An understanding of the currently available bonding strategies to CA/CAM materials can help the clinician to select the most indicated system for each category of materials. Three are the main trends in production technologies in dentistry last 30 years: digitalization, simulation and implementation of …
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 1, 2017 · pp. 36–39 Read article
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The Effect of Air Bubbles Injection into a Shell and Coiled Tube Heat Exchanger: A Review
Abstract: In present study, a shell and coiled tube heat exchanger has been mathematically studied. The helically coiled tube and the effects of on thermal characteristics of heat exchanger will be proposed in this study. CFD analysis on ANSYS software will be performed. Shell tube carrying cold water, helical coil containing hot water and U shaped hollow pipe carries air. Thermal properties and its effect has been considered in the study.
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 2, 2017 · pp. 34–42 Read article
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Material to Scheme Designation of Flash Memory
Abstract: Subjective has been to study schemes of flash memory achieve from devised formation from magnetic metals. Scriptive has been adhered scopes from usual study matter on magnetic optic (MO) memories. Shallow trench isolation (STI) has been usual procure of grooves on prior allowed device area i.e., before forming IC device on wafer. From where oxidation layer has grown thus electrical separation has pursued in integrated circuit (IC) liable to generate …
Published in International Journal of Computer Aided Manufacturing · Vol. 7, Issue 2, 2021 · pp. 23–29 Read article
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COMPUTATIONAL AND PARAMETRIC INVESTIGATION ON SINGLE CYLINDER SI ENGINE BASED GENERATOR TO IMPROVE ITS PERFORMANCE AND EMISSION CHARECTERISTICS AS PER THE FUTURE EMISSION NORMS.
Abstract: This work is based on single cylinder SI engine based generator,which is basically working on Gasoline and LPG in Dual fuel mode.The main purpose of this work is to use Alternative fuel,for reducing the emissions of the generator in dual fuel mode.As the engine is dedicated to Gasoline engine,which is conventional fuel.So power is comparatively increasing in case of gasoline engine,but emissions are more as compared to Alternative fuels.Since alternative …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 1, Issue 1, 2015 · pp. 01–10 Read article
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Air-Powered Cars
Abstract: This paper is reporting an experimental investigation of an engine driven by compressed air. The compressed-air engine is modified from a four-stroke working engine to two-stroke working engine (power and exhaust) by modification of cam-gear system. The project was successfully manufactured and tested. Experimental results were carried out on this modified engine to find out its performance characteristics like brake power, mechanical efficiency, indicated power, torque, etc. It should be …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 5, Issue 1, 2019 · pp. 41–44 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
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Sensitivity of Bearings to Vibration: Its Effect on Ultrasonic Waves, Its Effect on Bearing Life
Abstract: High vibrations caused by various factors in the bearing of a car is a common problem in the automotive industry. Nowadays, the issue of reducing excess vibrations that cause bearing failure in industry has been considered by engineers and industry owners. By examining these vibrations and controlling the vibrations in the cars, it will increase the bearing life and reduce the number of out-of-program stops. The experiments were performed using …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 7, Issue 1, 2021 · pp. 26–30 Read article