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355 articles for “Surface condition”
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Optimization of Machining Process Parameters in Hard Turning of AISI D3 Tool Steel
Abstract: Machining operation is still irrefutably vital process in manufacturing, that involves complex relation of input parameters (like cutting speed, feed rate, depth of cut, nature of cooling, etc.) to output parameters (like surface finish, tool life, tool wear, machining time, machining cost, etc.). Numerous efforts were noticed in literature, to relate these parameters with each other so as to implement cost effective machining with least efforts. This paper presents one …
Published in Journal of Mechatronics and Automation · Vol. 4, Issue 1, 2017 · pp. 23–30 Read article
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Production and Characterization of Essential oil using the Solvent Extraction Method from Brassica nigra seeds
Abstract: The purpose of this study is the Production, Optimization and Characterization of oil from Brassica nigra seeds using the Solvent Extraction Method. The result shows no difference from the seed oil extract from the mustard plants which grows in other parts of the world. This is to create awareness to utilize the Brassica nigra seed locally grown, as a potential source of edible oil for health benefit, such as additives …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 1, 2020 · pp. 5–20 Read article
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Eco-Friendly Elixirs: A Critical Review of Biosurfactants for Sustainable Wastewater Solutions
Abstract: Biosurfactants are the amphiphilic substances which are acquired from the remains of the living microorganisms and have attracted a lot of scientific interests because of their applicability in various fields. This review aims at reviewing current research and development on biosurfactants with special emphasis on their application in wastewater and oil. Biosurfactants being less hazardous to the environment are produced by microorganisms and works as a substitute for chemically produced …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 2, 2024 · pp. 14–33 Read article
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Effect of Heat Exposure on Structural Integrity of Geopolymer Concrete Composites
Abstract: The research evaluates the thermal degradation effects of high temperatures on Geo Polymer Concrete Composite (GPCC) by examining alccofine concrete, concrete made with alccofine and porcelain waste aggregates. Knowing how GPCC behaves under high temperatures proves essential for protecting buildings during fires as well as industrial applications. Each mix design received composite concrete samples that underwent increased heating conditions from 100°C to 700°C at 200°C intervals. Post-heating, various parameters were …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 318–328 Read article
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Sensor Less Control of PMSM using SMC and SMO
Abstract: Some particular PMSM applications do not allow for the proper mounting or use of position sensors. A number of PMSM control problems can be resolved with sensorless PMSM control. It is crucial to have a precise predicted position while avoiding the chattering issue for sensorless PMSM control. This paper establishes a prerequisite for a sliding mode observer (SMO) to enter a sliding surface and offers a sigmoid-based algorithm for position …
Published in Journal of Control & Instrumentation · Vol. 13, Issue 2, 2022 · pp. 27–35 Read article
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Comparative Computational Investigation of Aerofoil Performance with and without Vortex Generators
Abstract: AbstractAircraft with an efficient aerodynamic design is a major concern in current aerospace industries trends, but the flow separation has been playing a predominant role in the aircraft performance reduction and thereby affecting the aerodynamic efficiency. To overcome these problems, vortex generators (vortilon) are fixed on the upper surface of the wing. This paper focused on the aerodynamic performance analysis of available NACA-23012 aerofoil with and without Vortex Generators, for …
Published in Journal of Instrumentation Technology & Innovations · Vol. 8, Issue 2, 2018 · pp. 1–16 Read article
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Piezo in Implant Surgery: A Literature Review
Abstract: Dental Implants are Titanium cylinders that are widely used by dentists as prosthesis to replace damaged or lost tooth. The process where the implant locks and attaches itself with the bone is termed as osseointegration. Factors like bone quality and quantity, primary stability of implant, surface characteristics of implant are some of the factors that determine osseointegration of the implant.Acceleration of osseointegration may depend on the removal of negative tissue …
Published in Research and Reviews: A Journal of Dentistry · Vol. 14, Issue 2, 2023 · pp. 17–20 Read article
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Modelling and analysis of machining characteristics of aluminium composite on CNC by Taguchi L9
Abstract: The machining of aluminum silicon oxide is used in high speed CNC milling in light of the fact that such composites have number of applications in the aeronautics industry. The inspiration driving this examination is to explore the effects of machining parameters on surface roughness and material expulsion rate in high exactness CNC machine since industry requires low surface unpleasantness and high material expulsion rate, the model for surface harshness …
Published in Trends in Mechanical Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 1–7 Read article
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A comprehensive review on Sustainable Pathways to Synthesize 2, 5-Furandicarboxylic Acid (FDCA) from 5-Hydroxymethylfurfural (HMF) via Oxidative Processes
Abstract: The increasing global concern over the environmental impact of traditional plastics derived from petroleum and natural gas has spurred a search for more sustainable alternatives. Bioplastics, which are derived from renewable sources and may be biodegradable, have garnered significant interest as eco-friendly materials. Among the promising building blocks for bioplastics, 2,5-Furandicarboxylic Acid (FDCA) has emerged due to its potential to enhance polymer properties. One key precursor for bioplastics, 5-Hydroxymethylfurfural (5-HMF), …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 2, 2024 · pp. 01–13 Read article
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Numerical Investigation of Slip Conditions in Nanofluid Flow Induced by a Nonlinearly Stretching Sheet: A bvp4c Approach
Abstract: The present work describes a numerical analysis of the steady, laminar flow over a nonlinear stretching sheet in a nanofluid medium. Slip conditions in terms of velocity, temperature, and concentration have been introduced into the mathematical model to capture the impact of interfacial mass transfer on the stretching surface. The problem is modeled to include nanoparticle transportation in terms of Brownian diffusion and thermophoresis, thereby affecting the temperature and concentration …
Published in Recent Trends in Fluid Mechanics · Vol. 13, Issue 2, 2026 · pp. 34–51 Read article
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Heat Transfer and Exergy Analysis of Methane-Air Flame Impinging on Plane Surfaces
Abstract: Exergy and heat flow have been numerically investigated for flame impinging on flat circular plates. The maximum work available when the system is brought to thermodynamic equilibrium state with its surrounding is known as the exergy of a system. This state of equilibrium of the system depends on the pressure, temperature, and composition of environment. Efficiency based on exergy is otherwise known as the second-law efficiency which measures the usefulness …
Published in Recent Trends in Fluid Mechanics · Vol. 9, Issue 1, 2022 · pp. 13–24 Read article
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Reaching Conditions for Discrete-time Sliding Mode Control: Analysis and Design
Abstract: Sliding mode control (SMC) is a robust control method widely used in engineering due to its ability to handle uncertainties and disturbances effectively. In discrete-time sliding mode control (DSMC), system trajectories are constrained to sliding surfaces in the state space, leading to improved performance and stability. This paper provides an overview of DSMC, focusing on its applications, advantages, and limitations. It discusses the use of DSMC in various engineering fields …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 2, Issue 1, 2024 · pp. 7–14 Read article
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Estimation of Splenic Volume: Prolate Ellipsoid Method Correlated with 3-D Helical CT Determination
Abstract: To establish the correlation between two methods of volume estimation of spleen, e.g., prolate ellipsoid formula and 3-D reconstruction of abdominal helical CT-image. Settings and Design: One hundred twenty-six patients were selected aged between 20 and 80 years in which male and female were 72 and 54 respectively for cross-sectional study. Patients who had underlying malignancy, infections, hematological disorders and other conditions that could alter splenic size were excluded. Methods …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 1, Issue 1, 2012 · pp. 28–33 Read article
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Extraction of Natural Dye from Red Rose Flowers
Abstract: In this research work, locally available red flowers of the red rose are selected for the extraction of anthocyanin. Ethanol solvent was used to extract anthocyanin from flowers. Different methods are used to obtain natural dyes from flowers. FTIR, pH, and UV tests were performed to characterize the extracted anthocyanin. The pH differential method was used to measure the total anthocyanin content in red rose flowers. The color of the …
Published in Research & Reviews : Journal of Herbal Science · Vol. 14, Issue 3, 2025 · pp. 14–23 Read article
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Optimization of Sulphuric Acid Hydrolysis Process for Fermentable Sugars from Lignocellulosic Content of Wood Sawdust for Production of Cellulosic Ethanol
Abstract: The aim of this study was to investigate the optimization of acid hydrolysis process for fermentable sugars from the lignocellulosic content of wood sawdust for cellulosic ethanol production. In this study, four process parameters were investigated; acid concentration (3-7%), solid fraction (8-12ml/gm), temperature (100-120oC) and time (90-150minutes). The total reducing sugar content of hydrolyzed solutions was analyzed using Phenol-Sulfuric Acid method. The result of the statically analysis 2mm particle size …
Published in Emerging Trends in Chemical Engineering · Vol. 7, Issue 1, 2020 · pp. 10–18 Read article
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Aerodynamic Flow Separation Control Using Active Flow Devices
Abstract: Flow separation remains a significant challenge in aerodynamic applications, often leading to increased drag, loss of lift, and reduced efficiency in air and ground vehicles. This study investigates the use of active flow control (AFC) devices to mitigate flow separation and enhance aerodynamic performance. Active methods such as synthetic jets, plasma actuators, and pulsed blowing are examined for their ability to dynamically manipulate boundary layer behavior and delay or suppress …
Published in Journal of Aerospace Engineering & Technology · Vol. 15, Issue 3, 2025 · pp. 1–7 Read article
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Early Flood Detection and Avoidance Using IoT
Abstract: This project presents an advanced flood alert system powered by IoT technology, designed to enhance public safety and minimize flood-related damage in high-risk areas. The system uses various sensors to keep track of environmental conditions, especially changes in water levels. These sensors are strategically placed in critical zones to detect early indicators of flooding, such as sudden increases in water level, surface runoff, and river overflow. The gathered information is …
Published in International Journal of Data Structure Studies · Vol. 3, Issue 2, 2025 · pp. 1–5 Read article
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Investigating the Influence of Process Parameters on Photochemical Machining of Phosphor Bronze Alloy Microchannels
Abstract: Microchannels are widely employed in microfluidic devices, biomedical systems, and compact heat exchangers, where their functional efficiency depends strongly on surface finish, dimensional control, and edge quality. Traditional machining techniques often face limitations in producing such features with the required precision, prompting the use of advanced micromachining methods. In the present work, photochemical machining (PCM) has been applied to fabricate serpentine-shaped microchannels in phosphor bronze. The study systematically investigates the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 837–846 Read article
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Synthesis and Characterization of In2S3 Nanoflake Thin Film for Photosensor Applications
Abstract: Indium sulphide (In2S3) thin films in the form of nanoflakes are synthesized by using chemical vapour deposition method on glass substrate with the intension to test its photosensor applications. These as deposited nanoflake thin films are characterized for physicochemical properties using X-ray diffraction (XRD) pattern, energy dispersive X-ray (EDAX) analysis,scanning electron microscopy (SEM) while optoelectronic properties were studied using optical and electrical characteristics obtained through UV-Vis transmission spectroscopy and I-V …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 3, 2017 · pp. 21–26 Read article
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Influence of wall friction on Active Earth Pressure in Model Test
Abstract: Earth pressure theories occupy a paramount position in the field of geotechnical engineering. The knowledge of active earth pressure under static condition is essential in designing a retaining wall as the damage to such retaining structures may lead to disastrous failure. A retaining wall helps in maintaining the ground surface at different elevations on either side of it. Without such a structure, the soil at higher elevation would tend to …
Published in Journal of Geotechnical Engineering · Vol. 8, Issue 1, 2021 · pp. 12–19 Read article