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53 articles for “roughness”
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Galerkin Method of Weighted Residual to Study on Enhanced Heat Transfer in Cylindrical Micro-Fins Heat Sink Using Artificial Surface Roughness
Abstract: In this paper, a theoretical investigation is carried out on the use of artificial surface roughness for enhanced heat transfer and thermal management of cylindrical micro-fins with artificial surface roughness. The developed thermal models which are solved using Galerkin method of weighted residual, considered variable thermal properties according to linear, exponential and power laws. The approximate analytical solutions are used to carry out parametric studies and to establish the thermal …
Published in International Journal of Manufacturing and Materials Processing · Vol. 4, Issue 2, 2018 · pp. 12–22 Read article
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Experimental Investigation of Vegetable Oil Based Cutting Fluid (VBCF) on Surface Roughness in Turning EN-8 Steel
Abstract: In the present study, properties of the present work of the non-ionic surfactants have been recognized to formulate vegetable oil based cutting fluid (VBCF) palm oil for the emulsion as non-conventional lubricant. Surface finish is an important indicator of quality in manufacturing industries and thus it is regarded as one of the most important parameter to be considered. In this present study, different machining parameters were taken and their effect …
Published in International Journal of Manufacturing and Materials Processing · Vol. 4, Issue 2, 2018 · pp. 1–11 Read article
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Application of Artificial Neuron Network in roughness prediction: A case study in turning of stainless steel
Abstract: - Artificial neural networks offer a practical and efficient way to choose the best machining parameters for the turning process in order to reduce surface roughness, the resulting cutting forces, and maximize tool life. Surface roughness is a significant aspect in the evaluation of cutting performance and plays a significant role in the manufacturing process. The goal of this project is to create a model based on an Artificial Neural …
Published in International Journal of Computer Aided Manufacturing · Vol. 8, Issue 1, 2022 · pp. 21–26 Read article
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Computational Investigation on Performance of Rib Roughened Channel
Abstract: ABSTRACT: Improving the heat transfer efficiency of machinery is crucial since it can result in savings on energy, materials, and expenses. Rib-roughening on the heated plane is one method of increasing rate of heat transfer. Rib roughened surfaces are utilized in various industrial applications. Rib roughened surface disturbs the laminar sub-layer and increases the turbulence. Because of increase of turbulence and mixing, rate of heat transfer is improved. Pressure loss …
Published in International Journal of Mechanics and Design · Vol. 12, Issue 1, 2026 · pp. 1–6 Read article
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Optimization of Active Cutting Power Consumption by Taguchi Method for Rough Turning of Alloy Steel
Abstract: In this study, the active cutting power consumption (ACPC) is optimized as it is usually the major factor of the electricity bills in machining operations. The EN 353 alloy steel is used as workpiece material during rough turning while varying cutting parameters and nose_radius. The experiments were conducted in accordance with the Taguchi’s L-27 standard arrangement and the interactions between parameters were also considered with tungsten carbide inserts. The optimum …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 1, 2020 · pp. 37–45 Read article
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Surface Roughness Analysis on the Vegetable Oil Based Cutting Fluid in Turning of EN8 Steel
Abstract: In the present work, properties of the present work of the non-ionic surfactants have been recognized to formulate vegetable oil based cutting fluid (VBCF) palm oil for the emulsion as non-conventional lubricant. Surface finish is an important indicator of quality in manufacturing industries and thus it is regarded as one of the most important parameter to be considered. In this present work different machining parameters were taken and their effect …
Published in International Journal of Manufacturing and Materials Processing · Vol. 3, Issue 1, 2017 · pp. 1–8 Read article
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Optimization of CNC Machining Parameter for Al6061 to Improve Surface Roughness and Material Removal Rate
Abstract: In the present study effect of cutting parameter on material removal rate and surface roughness are measured and they are optimized. The experiment is performed on Al6061 work material. Design of experiment is done with Taguchi method. Input parameters taken for experiment are speed, feed and depth of cut for turning and surface roughness and material removal rate are output responses parameter. The analysis is carried out using S/N ratio …
Published in International Journal of Manufacturing and Materials Processing · Vol. 3, Issue 2, 2017 · pp. 29–35 Read article
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Study of the Surface Roughness (SR) Using Main Effect Plots Using Glycerin and EDM Oil
Abstract: SR plays an important role in determining how an object will interact with its environment in real life scenario. In this paper, aqueous solution of glycerin with 80% glycerin and 20% de-ionized water and kerosene oil have been used as dielectric for this study. Only those parameters which have highest percentage of contribution to SR are generally taken into account. This paper studies SR versus current, duty factor, ton for …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 3, Issue 2, 2017 · pp. 15–17 Read article
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Analysis of Surface Finish of Different Metallic Materials
Abstract: This study investigates surface processing techniques aimed at achieving a surface roughness (Ra) value of < 2.5 for various materials including gray iron, steel, pure copper, aluminum, and brass. Surface roughness plays a crucial role in determining the functional and aesthetic properties of machined components. The attainment of a specific Ra value demands precise control over machining parameters and selection of appropriate finishing processes. For steel, machining operation grinding followed …
Published in International Journal of Mechanics and Design · Vol. 10, Issue 1, 2024 · pp. 1–12 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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Effect of Cutting Parameter in Engine Valve Turning Process
Abstract: Engine valve manufacturing involves significant amount of machining during its manufacturing activity. Suitable cooling agents or cutting fluid are used to remove heat produced during cutting operation to maintain machining finish and insert life. Cutting fluids are one of major waste involving cost for disposal and hazard to environment, reduction in their use can play key role to meet stringent environment norms and achieve economic machining. Dry machining is an …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 6, Issue 2, 2020 · pp. 1–6 Read article
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Mesh to Shrink in Nano Fabricated Compose
Abstract: This article is study about shrink of polymer originated composes. Aim has been inclusive from nano- based fillers on hybridized consequence from polymeric effects. Otherwise, descriptive issues have ever arose to link accession to repair dental simulated perversions. Nanotechnology in material formulation has been production of functional structures in range of 0.1 to 100 nm. Advantages of these composites have inherent shrinkage of cure mode in accordance to monomers said …
Published in International Journal of Applied Nanotechnology · Vol. 7, Issue 2, 2021 · pp. 1–12 Read article
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Nano Finishing of HDPE/Al2O3/HAp Ternary Composite Based Acetabular Socket using Polymer Rheological Abrasive Semisolid Medium
Abstract: Acetabular socket is one of the important parts of the hip joint. The surface roughness in the acetabular socket decides the friction and wear during the motion of the human. Low surface roughness in the acetabular socket gives free motion of hip joint as well as high joint life. Nano surface roughness on the inner surface of acetabular socket also reduce the particles generation during the dynamic motion between hip …
Published in International journal of Nanobiotechnology · Vol. 2, Issue 2, 2016 · pp. 5–8 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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Electrochemical Etching on Copper Surfaces to Achieve Superhydrophobicity
Abstract: In the present study, an attempt has been made to create superhydrophobicity on copper substrate by etching the surface at different parameters (current density and time). Etching time was varied from 30 to 240 minutes. Untreated copper surface exhibited contact angle of 91.4°. The best etched surface exhibited a maximum contact angle of 142.1° for a current density of 0.01A/cm2 and etching time of 60 minutes. The structure–property relationship of …
Published in International Journal of Manufacturing and Materials Processing · Vol. 5, Issue 1, 2019 · pp. 27–31 Read article
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Effect of Varying Shear Velocity on the Mechanical Behavior of Jointed Rock Subjected To Lower Normal Load
Abstract: : This study investigates the effect of shearing velocity on the mechanical behavior of rock joints, namely, the shear strength, residual strength, joint dilation, its surface roughness and the shearing stiffness under the application of lower normal load. The slower rate of shearing plays an important role in creep and the fatigue effect on jointed rock masses whereas, higher rate of shearing is experienced in the cases of dynamic loadings …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 2, Issue 1, 2016 · pp. 1–11 Read article
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Field Assessment of Runway Pavement Surface Texture for Baghdad International Airport
Abstract: One of the major serviceability issues which reflects the suitability of the airport runway for serving international flights is the surface texture of concrete pavement. The concrete surface of the runway 33R-15L of Baghdad international airport is badly covered with large spots of aeroplanes tyre rubber. The international flight companies had claimed that the rough surface of the runway concrete pavement caused damage and deterioration to their aeroplane’s tyres. The …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 5, Issue 2, 2019 · pp. 6–21 Read article
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Comparison of Mean Depth of Flow Obtained by Maximum Permissible Velocity and Adam–Basforth Method
Abstract: The equation is formed for mean depth of flow and mean velocity of flow with respect to maximum permissible velocity and maximum value of Manning’s roughness coefficient. It is found that the mean depth of flow obtained from maximum permissible velocity provides nearly equal value compared with mean depth of flow obtained from 0.75-inch roughness bed flume data. The depth of flow obtained from Adam–Basforth method provides nearly equal value …
Published in International Journal of Water Resources Engineering · Vol. 5, Issue 1, 2019 · pp. 13–18 Read article
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SOFT COMPUTING A NEW USE OF SOFT COMPUTING, ARTIFICIAL INTELLIGENCE, FUZZY LOGIC & GENETIC ALGO-RITHM IN BIOINFORMATICS
Abstract: Abstract:Soft registering is make a few dormant in bioinformatics, particularly by producing minimal effort, low exactness (rough), great arrangements. Bioinformatics is an interdisciplinary research zone that is the edge between the natural and computational sciences. Bioinformatics settlement with calculations, databases and data frameworks, web innovations, man-made reasoning and delicate registering, data and calculation hypothesis, basic science, programming building, information mining, picture preparing, demonstrating and recreation, discrete arithmetic, control and framework …
Published in International Journal of Analog Integrated Circuits · Vol. 6, Issue 1, 2020 · pp. 12–26 Read article
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Facile Fabrication of Durable Superhydrophobic Coatings on SS 304 for biomedical applications
Abstract: A simple and effective method to fabricate durable superhydrophobic coatings by combining shot-blasting and depositing sol-gel nanocomposite coatings on stainless steel SS 304 substrates has been investigated. Shot-blasting was used for two purposes; 1) as a method of physical modification for creating microscale roughness on the substrate and 2) for improving the adhesion of the nanocomposite coatings deposited thereafter. Organic-inorganic hybrid hydrophobic silica sol was synthesized where silica nanoparticles were …
Published in International journal of Nanobiotechnology · Vol. 4, Issue 2, 2018 · pp. 21–34 Read article