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355 articles for “Surface condition”
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Analysis of Surface Roughness and Material Removal Rate in Engine Valve Turning Operation of Material SUH3
Abstract: The purpose of this paper is to present an experimental work attempting to optimize the influencingprocess parameters involved in dry machining of the exhaust engine valve of material martensiticstainless steel grade SUH3. Looking at available literature it is observed that a lot of work can be donein the field dry machining related to surface integrity but no work can be reported on investigationimplementation of dry machining in engine valve manufacturing …
Published in Journal of Automobile Engineering and Applications · Vol. 8, Issue 1, 2021 · pp. 17–22 Read article
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Impact of Urbanization on Biodiversity Hotspot: A Case of Bhubaneswar City
Abstract: Urbanization has contributed to pollution and generation of waste heat leading to changes in the urban heat balance thereby influencing its microclimate. Urban regions confront heightened heat wave conditions due to urban heat island (UHI) impact, which is a result of anthropogenic effects on both surface and atmospheric temperature patterns relative to the natural environment. The investigation was carried out in a 20-km radius around the city of Bhubaneswar. The …
Published in Journal of Remote Sensing & GIS · Vol. 15, Issue 3, 2024 · pp. 20–28 Read article
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Ceria and Modified Ceria: A Reusable Catalyst for the Green Synthesis of 2,3-diphenyl Quinoxaline at Room Temperature
Abstract: Simple, highly versatile and efficient synthesis of 2,3-diphenylquinoxalines is achieved from benzil and o-phenylene diamine using ceria and modified ceria as the catalyst. Modification of ceria is done using different weight percentage of zirconia. The catalysts are characterized by XRD, FT-IR, BET surface area, TGA and EDX-SEM. The advantages of this method are short reaction times, milder conditions and easy work-up. The product could be separated from the heterogeneous catalyst …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 3, 2014 · pp. 1–11 Read article
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Analysis and Design for Homogeneous Earth Slopes
Abstract: In an aspect of geotechnical engineering problems, slope stability is a condition of inclined soil, waste heaps to withstand or undergo movement. The slope is an unprotected ground surface that can be situated at an angle of horizontal. Slopes are necessitated in the construction of railway embankments and highways, levees, bridges, earth dams, reservoirs and canals, etc., and are generally less expansive. Failures of natural and man-made slopes have demise …
Published in Journal of Geotechnical Engineering · Vol. 6, Issue 3, 2019 · pp. 41–46 Read article
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Enhancing Surface Roughness in the Taguchi Method for Turning Alloy Steel in Wet and Dry Environments
Abstract: The present investigation focuses on evaluating the performance of turning operations in alloy steel with particular emphasis on the effect of cutting parameters on surface roughness. In the machining of alloy steel, tool life and surface integrity are significantly influenced by parameters such as spindle speed, depth of cut, and feed rate. Among these, feed rate has been observed to exert the most prominent effect on surface roughness. To systematically …
Published in International Journal of Robotics and Automation in Mechanics · Vol. 3, Issue 2, 2025 · pp. 1–6 Read article
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An Insight into the Production of Bioethanol from the Duckweed
Abstract: The ultimate goal of this study was provided an insight into the production of bioethanol from the duckweed. In this study three experimental parameters for maximizing bioethanol yield were investigated during the dilute acid hydrolysis; acid concentration (0.6-1M), temperature (80-120oC) and time (60-180minutes). The conversion of duckweed to bioethanol can be achieved mainly by four process step; the first step was pretreatment of duckweed to remove different contaminates, dried at …
Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 2, 2020 · pp. 48–56 Read article
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Optimization of Process Parameters for Isopropylation of Toluene over Modified Zeolite using Response Surface Methodology
Abstract: Vapor-phase isopropylation of toluene with isopropanol has been investigated in a fixed-bed flow reactor under atmospheric pressure using N2 carrier gas over Cerium modified 13X zeolite catalyst. The main product of this alkylation reaction was p-cymene followed by meta-isomer, while ortho-cymene was negligibly formed. Response surface methodology was used to study the combined effects of temperature, reactant molar ratio and space time on the conversion of toluene and selectivity of …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 1, 2014 · pp. 22–30 Read article
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Enhancing Road Safety: A Robotic System for Automatic Pothole Identification and Filling
Abstract: Innovative technologies called automatic pothole detection systems are made to automatically locate and identify potholes on road surfaces. These systems incorporate many components, including sensors such as cameras, LiDAR, and accelerometers, to acquire data on the road conditions. Potholes on roads provide serious risks to passing cars and pedestrians, which can result in collisions, damage to cars, and deterioration of the infrastructure. Automatic pothole detection systems, which make use of …
Published in Journal of Instrumentation Technology & Innovations · Vol. 14, Issue 3, 2024 · pp. 1–6 Read article
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Role of Polymer and Composite Materials in Enhancing Durability and Comfort of Urban Park Furniture for Senior Citizens
Abstract: Parks in urban areas are crucial in facilitating physical activities, socialization, and or mental health to the elderly citizens. Nonetheless, the traditional materials in outdoor park furniture may suffer in the form of low durability, weathering, ergonomics and maintenance, among other aspects and restrict long term applications of such furniture by the elderly population. The research question examined in the proposed study is: How can polymer-based and composite materials improve …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 297–311 Read article
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Optimization of Wear and Friction Parameters of Al-WC Composite Using Response Surface Methodology
Abstract: This paper aims to optimize the wear and friction parameters of Al-WC composite using response surface methodology. Initially dry sliding wear test on specimen of Al-0WC, Al-5WC, Al-8WC and Al-11WC composites were performed using pin-on-disc equipment under atmospheric conditions, with the varying parameters of the applied load 80KN and Sliding distance 6700m and the sliding velocity is kept constant of 3.34 m/s. The optimum parameters of wear mass loss and …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 3, 2019 · pp. 17–26 Read article
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Automatic Tyre Inflation And Deflation System in Automobiles
Abstract: Modern cars have a lot of features and electronic systems which support the driver in dangerous driving situations. Such systems are not only developed for keeping the cars under control, but they also try to improve the subjective feeling during driving and comfort. One of such systems has the task to measure and control the pressure of the tyres: Automated Tyres Pressure System (ATPS).The system is can be placed in …
Published in Journal of Automobile Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 1–4 Read article
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Design and Development of Extruder for Plastic Wastes
Abstract: Plastic waste has become one of the most significant environmental challenges due to its widespread use, non-biodegradable nature, and increasing accumulation in landfills and water bodies. The rapid growth in plastic consumption has created an urgent need for effective recycling technologies that can reduce environmental pollution while recovering valuable materials. Among the various recycling techniques, extrusion is considered an efficient and economical method for converting plastic waste into reusable products. …
Published in International Journal of Manufacturing and Production Engineering · Vol. 4, Issue 2, 2026 Read article
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Integrating Atmospheric Science: Understanding Greenhouse Gases, Aerosols, and Air Quality Dynamics
Abstract: Atmospheric science investigates the Earth’s atmospheric systems to understand their composition, dynamics, and the implications for climate, weather, and air quality. This review explores five primary areas within the field: atmospheric composition, atmospheric modeling, remote sensing, air pollution, and boundary layer dynamics, highlighting critical challenges and advancements. Rising levels of greenhouse gases (GHGs), including carbon dioxide and methane, continue to drive global warming, while feedback mechanisms—like cloud interactions and surface …
Published in International Journal of Atmosphere · Vol. 1, Issue 1, 2024 · pp. 32–35 Read article
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Determination of the optimum conditions for salt bath ferritic Nitrocarburizing process of AISI 1018 Steel using ANOVA method.
Abstract: Industrial modern machinery components such as gears, bolts and shafts are always subjected to continuous frictional wear. From decades' surface treatments are performed to enhance the tribological properties of these components, however use of toxic cyanide salts in the techniques like Nitrocarburizing is a threat to environment. Therefore, another non-toxic surface modification process Sursulf Nitrocarburizing is investigated on AISI 1018 low carbon steel and results were analyzed and optimized using …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 5, Issue 1, 2018 · pp. 1–7 Read article
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Optimization of Turning Process Parameters by Genetic Algorithm Approach
Abstract: In this research, turning parameters were optimized through a genetic algorithm for the purpose to minimize surface roughness and to maximize the material removal rate. High finish quality is guaranteed through minimum surface roughness, and efficient process planning is facilitated through maximum material removal rate optimization. For predicting surface roughness and material removal rate with respect to spindle speed, feed rate, and depth of cut, the empirical models were developed …
Published in Journal of Production Research & Management · Vol. 15, Issue 1, 2025 · pp. 33–41 Read article
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Effect of Surface Modification on Properties of Kevlar/Epoxy Polymer Composites
Abstract: In this study, a high-performance Kevlar/epoxy polymer composite was prepared using a hand lay-up technique. The Kevlar fiber was treated with calcium chloride/ethanol solution (CaCl2/EtOH) to enhance the interfacial interaction between the fiber and the epoxy matrix. The optimization of fiber surface treatment and fiber content for the best tensile strength (TS) of Kevlar/epoxy polymer composite was achieved using Box-Behnken design (BBD) through response surface methodology (RSM). Three parameters: CaCl2 …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 35–46 Read article
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Computational Investigation of Drag Reduction by means of Two-Dimensional Roughness Element on the Suction Surface of an Airfoil
Abstract: Computational investigation carried out to the effects of a two-dimensional roughness element placed on the suction surface of a zero camber airfoil of 1 m chord on its performance is presented. The roughness element was placed on suction surface of the airfoil at a distance of 30% from the leading edge of the airfoil. The roughness element was in the form of a wire. The diameter of the wire was …
Published in Recent Trends in Fluid Mechanics · Vol. 9, Issue 3, 2022 · pp. 12–26 Read article
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Structural Health Monitoring of Polypropylene Fiber- Reinforced Composite Using Accelerometer Sensors
Abstract: This study explores the application of accelerometer sensors for structural health monitoring (SHM) in evaluating the performance of polypropylene fiber-reinforced composites (PFRC). Incorporating polypropylene fibers into concrete enhances its structural integrity and durability. However, accurately assessing PFRC behavior under various conditions is crucial for its practical application in construction. This research employs advanced accelerometer sensor technology for real-time monitoring and assessment of PFRC performance. Experimental investigations captured and analyzed the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 621–634 Read article
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Production of Glucose from Corn cobs using dilute sulfuric acid
Abstract: AbstractCorn cob, a waste residue of corn can be used as substrates for the production of reducing sugar (glucose). This research is aimed to study of the effect of acid concentration, time and temperature for a high yield of reducing sugar from Corn cob. A three-variable, three-level Box-Behnken design was used to develop a statistical model for the optimization of the process variables. The optimal hydrolysis situations that resulted in …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 1, 2019 · pp. 21–27 Read article
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Optimization Study by Response Surface Methodology and Artificial Neural Network on the Culture Parameters of Citric Acid Bioproduction from Sweet Potato Peels
Abstract: In the cause of this research work, two steps enzymatic hydrolysis of sweet potato peel was carried out respectively. The effect of α-amylase dose, reaction time, and reaction temperature and biomass weight on glucose concentration was investigated carefully. The response surface methodology (REM) predicted the highest reducing sugar concentration at liquefaction to be 74 g/L, at the following optimized conditions; temperature of 45°C, α-amylase dose 0.7 %v/v, biomass weight 22.345 …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 1, 2022 · pp. 30–38 Read article