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105 articles for “lift-off”
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Analysis of new Floating Offshore Wind Turbine under drag force operation
Abstract: The goal of this paper is the study and analysis of a new type of floating offshore wind turbine (FOWT), which operates under drag force instead of lifting force as the conventional FOWT. We simulate the wind turbine operation modifying the pitch angle to faithfully reproduce the behavior when submitted to waves’ movement. The analysis of the wind turbine performance is developed in a model at laboratory scale to control …
Published in Journal of Offshore Structure and Technology · Vol. 11, Issue 1, 2024 · pp. 1–10 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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Concept Design of a Simple Marine Dry Dock (Without Gate)
Abstract: This article explores various options for facilities used in underwater ship repair, including Dry Dock, Ship Lift systems, Floating Dry Docks, and Simple Slipway systems with cradle and winch. Such facilities are crucial to any ship repair operation. Among these, Dry Docks are known for their high capital cost and limited capacity to repair only one ship at a time. This makes them less appealing unless there is substantial demand …
Published in Journal of Offshore Structure and Technology · Vol. 11, Issue 3, 2024 · pp. 46–69 Read article
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Performance and Robustness of Wind Turbine Blades Composed of Recovered Waste Carpet Fiber Polymer Composites
Abstract: Carpets stay in good condition for ten to fifteen years, after which they wear out and are discarded. The large amount of used carpet waste is often dumped in landfills, causing health risks, air pollution, and other environmental problems. To reduce the growth of landfill sites, it is essential to implement recycling measures for carpet waste, protecting the environment by reusing these materials in new products. Carpet are made from …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 53–66 Read article
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Development of an Easy Car Moving Kit Using a Hydraulic Cylinder
Abstract: A wheel dolly that can be used as an automotive jack and can support heavy loads in the air for lengthy periods without the need for hydraulic systems is revealed. In a further aspect, when the vehicle’s engine fails, and is not able to move on its own, to move the vehicle with the help of human power or another vehicle is taken. For moving a car, portable dolly kits …
Published in Trends in Mechanical Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 32–40 Read article
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Performance Analysis of GLARE Composites in Aerospace Engineering
Abstract: The fuel consumption of an aircraft is largely governed by its payload, which emphasizes the continuous demand for advanced lightweight structural materials to enhance the lift-to-weight ratio and improve overall fuel efficiency. Fiber Metal Laminates (FMLs) have emerged as a novel class of hybrid materials that combine alternating layers of thin metals with fiber-reinforced polymer composites, thereby offering mechanical properties superior to those of the individual constituents. Among the different …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 771–779 Read article
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The Quicklift: Redefining Car Jack Dynamics & Design
Abstract: A Jack is a tool that aids in raising the vehicles without considerable physical efforts and thereby reducing strain injuries. This paper is about designed model of Jack and performing the static analysis (viz:structural) with the help of Solid works software. The outcomes obtained demonstrates that jack can be used safely. Additional improvements to be made in the jack is by modifying the vertical cylindrical bar so that it can …
Published in Trends in Machine design · Vol. 13, Issue 1, 2026 · pp. 86–92 Read article
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Assessment of Fire Safety Measures in Multi-functional High-rise Structures for Enhanced Fire Protection
Abstract: The complex nature of multiple-use high-rise buildings poses significant challenges for ensuring fire protection, given their functional diversity, intricate design, and substantial economic value. This study aims to assess the effectiveness of the physical fire protection systems installed in fourteen randomly chosen commercial high-rise buildings located in Indore. The primary focus is on optimizing these systems within the framework of industrial safety engineering principles. Various methods were employed, including physical …
Published in Journal of Industrial Safety Engineering · Vol. 10, Issue 3, 2023 · pp. 25–34 Read article
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Design and Manufacturing of Human Operated Forklift for Small Scale Industry
Abstract: Mechanical forklift is a new and improved technique utilized in mechanical industry line. Forklift lift or handle more material and transfer one place to another place. Since of forklift it is possible that a one operator is adequate for material handling. When technology is enhanced advance forklift was established, they operate with the help of remotes it necessitates an electricity as well as a cost of remote-controlled forklift is high …
Published in Journal of Instrumentation Technology & Innovations · Vol. 10, Issue 3, 2020 · pp. 21–25 Read article
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Squat Angle Detection Instrument for Powerlifting Sport
Abstract: Squat exercise in powerlifting is prominent for building lower limb muscles of the body which issupported on the feet and the knee is bent so that the buttocks rest on the heel. Powerlifting Squatrequires the lifter to squat down until “the top surface of the legs at the hip joint is lower than the topof the knees”. In powerlifting, the qualifying weight for a squat must be 90 kg or …
Published in Journal of Mechatronics and Automation · Vol. 10, Issue 1, 2023 · pp. 40–51 Read article
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Contemplation of Coal Bed Methane in Petroleum Industry
Abstract: The hunger for energy has been on its peak since industrialization. The human race has been trying all hook and crook in order to discover new sources of energy. In today’s world, a minor portion of the energy requirement basket is being filled up by unconventional non-hydrocarbon resources but still the majority of it is filled by unconventional and conventional hydrocarbon resources. The conventional hydrocarbon resources are oil and natural …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 23–26 Read article
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Power Converters for Renewable Energy Sources
Abstract: There has been a paradigm shift in the energy requirements of our world, from fossils to renewable energy this change will evolve further. This demands technological efficiency in terms of production, distribution and use of energy along with strengthening incentives to save energy at the end user. Energy conversion systems will play a vital role in this smooth transition. We can pave the way for renewable energies using highly efficient …
Published in Journal of Semiconductor Devices and Circuits · Vol. 4, Issue 3, 2017 · pp. 30–34 Read article
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Review of IoT Based Smart Housekeeping Robot
Abstract: AbstractThis project has reviewed and implemented an internet of things (IoT) based indoor mobile robot. The robot is used for the housekeeping service through wireless fidelity (Wi-Fi) and called as “smart housekeeper”. The aim of the project is to implement IoT technology for housekeeping robot working as smart. The robot is equipped with wheel structure, camera holding structure and arm lifting machinery. It applies ATmega32 as the main controller and …
Published in Recent Trends in Electronics Communication Systems · Vol. 5, Issue 1, 2018 · pp. 1–6 Read article
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Intervertebral Disc Bulge in Young Individuals: Causes, Symptoms, and Remedies
Abstract: The prevalence of intervertebral disc bulge among younger individuals has raised concerns regarding its causes, symptoms, and potential remedies. This condition, typically associated with older age, has increasingly affected younger demographics. Understanding the causes behind this phenomenon is critical in addressing its impact on the younger population. The study delves into the key aspects related to intervertebral disc bulge among young individuals. The causes of intervertebral disc bulge in young …
Published in International Journal of Orthopedic Nursing and Practices · Vol. 1, Issue 2, 2023 · pp. 13–18 Read article
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A Study to Assess the Effectiveness of Body Mechanics Training Programme on Reducing Low Back Pain Among Nursing Officers Working in Selected Hospitals, Bangalore
Abstract: Background: Low Back Pain (LBP) is a common work related injury and costly problem among the nursing profession. Numerous studies indicate a greater occurrence of back pain and work-related back injuries among nursing officers in comparison to other occupations. Prevention of LBP is a very important technique to maintain proper body mechanics. This study aimed to assess the effectiveness of body mechanics training programme on reducing low back pain among …
Published in International Journal of Orthopedic Nursing and Practices · Vol. 2, Issue 1, 2024 · pp. 29–62 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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Integration of Vertical Axis Wind Turbines into Urban Environments: Feasibility and Design Considerations
Abstract: Abstract This study aims to comprehensively investigate the performance of Savonius rotor wind turbines through a combination of numerical simulations and experimental testing. Initially, 3-dimensional CAD software Solidworks and ANSYS will be utilized to design detailed models of the turbines. Numerical meshes will then be generated around these models using FLUENT software, incorporating the k-ε turbulence model to simulate fluid flow fields. Parameters such as drag coefficient, lift coefficient, pressure …
Published in Journal of Aerospace Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 20–25 Read article
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CFD Analysis of a Bladeless Propelling Unit for the Drones
Abstract: Conventionally, unmanned aerial vehicles (UAVs) and autonomous aerial vehicles (AAVs) utilize bladed propellers to produce lift, altitude, and thrust for propulsion. Yet, these blades are susceptible to abrasion when they contact external surfaces, resulting in diminished operational efficiency over time. Our ongoing investigation introduces a pioneering approach by integrating bladeless propeller technology, drawing inspiration from Dyson’s Bladeless Fan Theory. This study seeks to address the wear-related shortcomings of conventional propeller …
Published in Recent Trends in Fluid Mechanics · Vol. 11, Issue 3, 2024 · pp. 37–46 Read article
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Solid Rocket Motor Case: A Review of Existing Design and Composite Material Criteria
Abstract: Solid propulsion systems are an integral part of inaugural vehicles for many space agencies because of their relatively simple design and high reliability. The solid propulsion rocket motor case design, including the material used for fabrication, is an important aspect as it affects the solid rocket motor's performance, reliability, and safety. In this abstract, an attempt has been made to review the most commonly used materials in the manufacture of …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 224–232 Read article
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Investigating the Dietary Flexibility and Feeding Behavior of Clarias anguillaris and Auchenoglanis biscutatus in a Tropical River Ecosystem
Abstract: Studies on food and feeding habits of fishes are required to guide the selection of fish species for culture. The current study determined the food and feeding habits of Clarias anguillaris and Auchenoglanis biscutatus in the Lower River Benue at Makurdi, Nigeria. Fish samples were collected biweekly from local fishermen at the Wadata landing site who fished with different gears like gillnets, cast nets, hook and line, traps and lift …
Published in International Journal of Marine Life · Vol. 2, Issue 1, 2025 · pp. 1–9 Read article