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128 articles for “roughness”
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Antenna Positioning Unit for Defence Vehicles
Abstract: This paper introduces an advanced antenna positioning system specifically engineered for defense vehicle applications, featuring Azimuth angle rotation and Elevation angle rotation. The system, designed for precision and adaptability, achieves remarkable accuracy. Noteworthy is its immunity to magnetic field interference, ensuring unwavering reliability in electromagnetic-intensive defence environments. The system's substantial weight-bearing capacity, coupled with precise control, makes it an ideal solution for defense vehicles necessitating advanced communication and surveillance capabilities. …
Published in Journal of Aerospace Engineering & Technology · Vol. 14, Issue 1, 2024 · pp. 38–46 Read article
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Optimization of Biohybrid Polymer Synthesis Using Fuzzy Inference Systems
Abstract: This investigation proposes a methodology to optimize biohybrid polymer synthesis using fuzzy inference systems (FIS). The study combines fuzzy logic principles with mathematical calculations for finding the best synthesis parameters to enhance the synthesis quality. This study consists on a sample about the use of FIS on optimisation of polymer synthesis, where they show the process of fuzzification, rule base creation, inference mechanism and defuzzification using the centroid method through …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 36–47 Read article
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Experimental analysis of wind turbine blade (HAWT) with recycled carpet waste polymer composite material
Abstract: The term "carpet" is often used interchangeably with "rug," but there is a technical distinction. Rugs are generally smaller and can be easily moved, while carpets are typically larger and cover a significant portion of the floor. Carpets are commonly used to enhance the comfort of indoor spaces, provide insulation, and contribute to the overall design and atmosphere of a room. Polymer composite materials also known as polymer matrix composites …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 259–265 Read article
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Properties of ZnO Thin Film deposited on Flexible Substrate using RF Sputtering
Abstract: Semiconductor materials demand is increased in recent years, due to new emerging technologies. There is need to find the alternate for silicon in electronics industry, as silicon is brittle in nature and has low efficiency, which makes it unsuitable for transparent and flexible device. Zinc oxide (ZnO) is emerging as popular choice of researchers due to its wide range of properties, abundancy and non-toxicity. This work explores the properties of …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 50–56 Read article
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A review on the Enhancing Heat Exchanger Efficiency with CuO/Water Nanofluid in a Shell and Helical Coil System
Abstract: Over the years, there has been a lot of focus on improving heat transmission by utilizing various approaches in an effort to make heat exchangers smaller and less expensive. The following methods have been found to be the most successful in increasing heat transfer rate in heat exchangers: Nano-Fluids, first (3) Rubbing heat exchanger surfaces rough. (2) Inserting fluid tabulators. However, a combination of all three approaches or any two …
Published in Trends in Mechanical Engineering & Technology Read article
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Enhancing Cooling Efficiency in Dual Nozzle CO2-Based Vortex Tube Systems for Machining Titanium Alloys: Implications for Polymer and Composite Processing
Abstract: In machining of Titanium alloys, the cutting temperature plays a vital role that directly influences the performance and it is required to maintain as low as possible. In this study, a dual nozzle Vortex Tube Cooling System (VTCS) that supplies cool compressed CO2 gas is developed to reduce the cutting temperature in Ti-6Al-4V machining. The experiments were conducted at constant cutting and flow parameters during turning at different levels of …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 284–291 Read article
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Testing of Efficiency of Wind Turbine Blade NACA2415 Aerofoil Type Using Recycled Carpet Waste Polymer Composite Material
Abstract: In 2020, over 50% of residential properties in the United States were outfitted with carpet flooring, boasting an average longevity ranging from 10 to 18 years. Carpets are crafted from various fibers, including woven nylon, polyester, polypropylene, or wool fibers. Historically, nearly 6 billion pounds of discarded carpets were directed to landfill sites, perpetually undergoing decomposition processes. My current project entails the fabrication of a wind turbine blade utilizing a …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 314–324 Read article
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Conflict Resolution and Long-term Planning: A Case Study of Bangladesh’s Marine Areas
Abstract: Bangladesh has a significant maritime area (118,813 km2 ), about equal to its land area. As a result, this vast marine area has prompted Bangladesh to exploit its maritime resources in a sustainable manner, which has been dubbed the “Blue Economy.” Bangladesh's maritime region is used for a number of activities, including fishing, shipbuilding, shipping, oil and gas exploration, tourism, energy, and military exercises. User-user conflict and user-environment conflict are …
Published in Journal of Offshore Structure and Technology · Vol. 11, Issue 2, 2024 · pp. 15–33 Read article
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Novel Catalytic Strategies for Reducing Residual Stresses and Improving Surface Quality in Machined Ceramic Materials
Abstract: To prepare for material cutting and utilize utility-specific edges, it’s crucial to understand the inherent brittleness of ceramics. This brittleness limits the forming methods available and hinders achieving dimensional accuracy and precision through conventional machining techniques. The fabrication of composite materials is becoming increasingly significant, particularly in technical fields like the automotive industry, where they are used to manufacture engine connecting rods, propeller shafts, brake discs, and more. The machining …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 2, 2024 · pp. 01–07 Read article
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Assessment of Water Quality Deterioration in Sacred Ponds of Varanasi: Impact of Urbanization, and Pollution
Abstract: Water scarcity, pollution, political unrest, and population growth have made it imperative to manage water resources, including surface water, responsibly in the twenty-first century. The ponds deteriorate due to development, urbanization, and the burden of many polluting sources. Varanasi had roughly 110 pounds and kunds in the 1980s; today, there are only 56. The physical and chemical quality parameters of five significant sacred ponds that have existed in Varanasi from …
Published in Journal of Water Pollution & Purification Research · Vol. 11, Issue 2, 2024 · pp. 30–37 Read article
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Assessment of Soil Erosion Impacts at the Panchhari Sub-district of Chittagong Hill Tracts in Bangladesh Using Remote Sensing and GIS Techniques Based on RUSLE Model
Abstract: Soil erosion has been identified as a significant issue around the world. It is often exacerbated due to land deterioration, conversion of agricultural land, and other anthropogenic activities. It negatively impacts soil productivity, water quality deterioration, river and reservoir bed sedimentation, nutrient loss, and sustainability of natural resources. Understanding the controlling factors of soil erosion can help us to identify erosion-prone areas and improve land use management. The novelty of …
Published in International Journal of Climate Conditions · Vol. 1, Issue 2, 2024 · pp. 9–30 Read article
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Experimental Analysis of Residual Stress, Micro-Hardness and Corrosion Behavior of HVOF Sprayed Composite Coating
Abstract: The utilisation of non-traditional composite coating materials, enhanced lubrication, and surface geometry optimisation have all contributed to the tribological performance. Piston rings are among the most crucial engine parts since friction causes between 40 and 45 percent of all energy loss. Fuel efficiency, power loss, and exhaust pollutants are all strongly impacted by the piston assembly's tribological performance. The present study's primary goal was to develop composite coating by using …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 77–82 Read article
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Impact of Chemical Conditioning on the Mechanical Performance of Pine Fibre-Reinforced Composites
Abstract: The study examines the effects of treatments like alkaline, silane, and acetylation on enhancing the mechanical strength and reducing water absorption in pine fiber-reinforced composites. Natural fibres, while eco-friendly and sustainable, present challenges in fibre-matrix adhesion due to their hydrophilic nature, impacting composite performance. Chemical treatments were employed to modify fibre surface characteristics, enhance interfacial bonding, and thereby improve mechanical properties. Silane-treated composites exhibited the highest tensile and flexural strengths, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 140–150 Read article
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Polymer Composite Mapping: Analyzing Land Use/Land Cover Changes in Mathura District, Uttar Pradesh, India
Abstract: Polymer-based mapping approaches are utilized in this study to improve the accuracy and consistency of LULC classification. Utilizing the special qualities of polymers like their elasticity, robustness, and adaptability, we create a strong framework for mapping LULC dynamics. Over the past few years, the district of Mathura in the state of Uttar Pradesh has experienced substantial expansion and development. This study assessed the change detection and estimated the shift in …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 662–667 Read article
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Designing of Shredder Machine for Recycling Post Consumer Denim Waste for Making Composite Denim Boards
Abstract: India has a population of about 1.35 billion in 2020 and as fabrics account for 4% of India's GDP, customers spend roughly 68 billion dollars on apparel and footwear each year. Currently, the short lifecycles of apparel products due to rapid fashion cycles and increased buying power of Indian consumers in urban as well as in rural areas are resulting in significant amounts of postconsumer textile waste in the form …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 934–945 Read article
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Towards smart cancer care - AI enhanced monitoring and intervention
Abstract: According to estimates from the World Health Organization (WHO) for 2022, cancer is one of the leading causes of mortality, accounting for roughly 16% of all deaths globally. The goal of the cancer community is to improve the lives of those who are impacted by cancer and to cut the cancer death rate in half during the next several years. If cancer is identified early and treated, its impact on …
Published in Journal of Microwave Engineering and Technologies · Vol. 12, Issue 1, 2025 · pp. 38–44 Read article
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Atmospheric Boundary Layer Processes: Impacts on Weather Patterns and Climate Change
Abstract: The atmospheric boundary layer (ABL) is a vital component of the Earth's climate system, acting as the interface between the terrestrial surface and the overlying atmosphere. This layer, typically extending from the surface to a height of a few hundred meters, is characterized by strong gradients in meteorological variables such as temperature, humidity, wind speed, and atmospheric pressure. Understanding the dynamics of the ABL is essential for comprehending weather phenomena, …
Published in International Journal of Atmosphere · Vol. 1, Issue 2, 2024 · pp. 22–25 Read article
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A Review of Embodied Energy Strategies to reduce the carbon emissions in Sustainable Buildings
Abstract: Buildings in India account for almost one-fifth of the nation's carbon emissions, making it the third- largest carbon emitter globally. These emissions are expected to climb by 50% over the next 20 years, which is the biggest increase of any nation. You would have to go into a jungle to avoid concrete, steel, and aluminium since they are so common. Just these three substances are responsible for 23% of the …
Published in International Journal of Architectural Design and Planning · Vol. 3, Issue 1, 2025 · pp. 18–27 Read article
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A Review on Materials and Working Process Parameters of Selective Laser Sintering
Abstract: The potential for additive manufacturing technology to replace some of the current conventional manufacturing methods makes it one of the research and development fields that is expanding quickly. With additive manufacturing, three-dimensional physical models are produced layer by layer from computer-aided design (CAD) models. Fully dense metal things may be produced more rapidly and accurately with additive manufacturing. The Selective Laser Sintering (SLS) procedure uses powder bed fusion, in which …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 522–529 Read article
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Hidden Gems of Dragon Fruit: Its Role in Pharmacognosy and Therapeutics
Abstract: The Cactaceae family includes the medicinal plant Hylocereus spp., also known as dragon fruit. The skin’s unique morphology, which reflects the body’s oval form, is characteristic of dragon fruit. Dry conditions are ideal for dragon fruit growth. Dragon fruit, also known as pitaya, is a fantastic functional food that has attracted attention recently due to its numerous therapeutic benefits, including antioxidant, anti-cancer, anti-diabetic, anti-microbial, hepatoprotective, and anti-hyperlipidemic properties. It also …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 12, Issue 1, 2025 · pp. 92–101 Read article