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59 articles for “impact angle”
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Slurry Erosion Behaviour of D-Gun Sprayed Cr3C2-25NiCr and WC-12Co Coatings on CA6NM Turbine Steel Material
Abstract: In this research work, Erosive wear behaviour of hydraulic turbine material, i.e., CA6NM is investigated. The samples of alloy were coated by different powders Cr3C2-25NiCr and WC-12Co with detonation spray gun technique. Erosion tests have been conducted on self-made erosion test rig with different parameters. L9 Taguchi technique has been used for design of experiment by taking four factors viz. impact velocity, impact angle, slurry concentration and particle size. The …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 2, 2017 · pp. 8–17 Read article
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Design And Analysis of Carbon Filler Reinforced Composite Small Wind Turbine Blades
Abstract: Although wind turbines have great potential for capturing wind energy, their blades suffer from unstable aerodynamic loads as a result of operating for extended time in challenging conditions. Both structural and aerodynamic performance are negatively impacted by these loads. The effectiveness of the wind turbine and the use of wind energy are significantly impacted by the choice airfoil. Commonly used airfoils include NACA 4412, NACA 23012, and SG6043. The lift …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 79–89 Read article
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Review of Numerical Methods for Bird Impact Simulation on Aircraft Components
Abstract: In today’s world, aircraft flies on the risk of occurring bird strikes which lead to serious damage or failure of aircraft. Experimental methods being expensive, numerical methods are preferred for tests and certification purposes. This paper analyzes different approaches (Lagrangian, Eulerian, ALE, and SPH) which are used for numerical simulation of the bird. It also covers material Models, different geometries of bird, effect of parameters at windshield are highlighted. Furthermore, …
Published in Journal of Aerospace Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 23–29 Read article
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Optimization of Type-4 Plastic Liner Composite Overwrapped Pressure Vessel Design
Abstract: Composite Overwrapped Pressure Vessels (COPVs) are prominently utilized for the storage of gases at high-pressure. Their widespread adoption is because they are significantly lighter weight compared to complete metal counterparts, but requires specialized design, and manufacturing process. This research employs finite element modelling to analyse the stress and failure assessments on a specific Type-IV COPV with plastic liner as core cylinder. This study aims to optimize COPV design by considering …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 405–412 Read article
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Evaluation of microstructure properties and characterization of fracture locus of AA5083 through equal channel angular pressing techniques
Abstract: In this investigation, a commercially available aluminium alloy called AA5083 was subjected to two passes of equal channel angular pressing utilising a route B_C at room temperature for this experiment. To evaluate the effect of AA5083, the microstructure, mechanical attributes, and wear parameters of the alloy were examined both prior to and subsequent to undergoing this technique. Using an optical microscope, microstructural investigations were performed on the pressed alloy's flow …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 270–286 Read article
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Analysis of Rear Suspension Geometry of an ATV
Abstract: This research presents the design and optimization of a rear suspension system specifically developed for an All-Terrain Vehicle (ATV), with the primary goal of enhancing ride quality, handling, and overall dynamic performance across diverse terrains. A key objective is to improve damping characteristics while minimizing unwanted changes in track width and wheelbase during suspension articulation. The study carefully examines critical suspension parameters, including camber angle, toe angle, and wheel travel, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 275–286 Read article
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Influence of Photoelectrons on Spacecraft Charging for Artificial Orbiting Spacecraft
Abstract: For the purpose of evaluating the temporal body potential and capacitance of an artificial orbiting spacecraft, this research analyzes the impact of photoelectrons on spacecraft charging. A metallic rectangular cuboid and two coplanar metallic rectangular plates compose the spacecraft model. The Runge-Kutta method is used to calculate the body potential, and the method of moments is used to calculate the capacitance. Depending on the spacecraft's inclination angle, solar energy from …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 14, Issue 1, 2025 · pp. 36–46 Read article
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Resilience Building through Disaster Risk Reduction
Abstract: A catastrophe is a serious disruption to a society's functioning that causes mortal, material, profitable, and environmental losses beyond a community's capability to manage. It results from the admixture of hazards, surroundings of exposure, and lack of volume or measures to lower the implicit negative results of threat. Hence, catastrophe control may be delineated as the arranging and administration of effects and the responsibility for handling all philanthropic angles of …
Published in International Journal of Environmental Planning and Development Architecture · Vol. 2, Issue 2, 2024 · pp. 32–45 Read article
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Study of Free Vibration Analysis of Circular Laminated Plate Based on FSDT
Abstract: Fiber and matrix make up a composite substance. As a result, a composite material is a product that has two or more distinct constituent materials or phases. Layers of composite material fibres are assembled to have ideal engineering properties in a composite laminate. The aim is to create a material that outperforms its constituent parts in terms of efficiency. Mechanical strength, corrosion resistance, high-temperature resistivity, heat conductivity, stiffness, resilience, lightness, …
Published in Journal of Experimental & Applied Mechanics · Vol. 12, Issue 1, 2021 · pp. 1–5 Read article
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Assessment of Motorcycle Helmet Potential Across Diverse Impact Directions by Means of Simulation Approach
Abstract: To make sure motorcycle helmets are protecting riders effectively, it is essential to analyze their performance under various impact orientations and varying speeds. Analyzing materials like ABS, PVC and GFRP gives important information about how durable and impact-absorbing they are. Ansys Finite Element Analysis (FEA) functionality enables a thorough investigation of the stress distribution inside the helmet construction under various impact scenarios. The present work is to study the behavior …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 448–460 Read article
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Experimental Setup to Determine Stress Wave Propagation in a Compound Bar
Abstract: Deformation undergone by a body due to impact results in development of dynamic stresses. This deformation depends on the material properties and geometry. Advancements made in stress wave propagation are focused at the necessity to understand dynamic history of structures subjected to applied loads. Stress travels with different velocities in different bodies depending upon material characteristics, crystal structure etc. Forces applied on bodies at short intervals of time result in …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 2, 2018 · pp. 1–6 Read article
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Design and Manufacturing of Suspension and Steering System of a F3 Vehicle
Abstract: The suspension and steering systems are critical subsystems of any formula-style racing vehicle, directly influencing its stability, handling, and driver safety. This paper focuses on the design, analysis, and manufacturing of suspension and steering systems for a Formula Student F3 vehicle. The primary objective is to develop a lightweight, reliable, and efficient design that complies with Formula Student competition rulebooks while ensuring optimum ride quality and performance. Using advanced computer-aided …
Published in Trends in Mechanical Engineering & Technology · Vol. 15, Issue 3, 2025 · pp. 1–12 Read article
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Numerical Investigation of Missile Strike over an Unmanned Aerial Vehicle
Abstract: Objectives: The present work deals with the impact analysis of missile over an unmanned aerial vehicle (UAV), the missile is made to strike on the UAV with various angles on the different locations and structural behaviour of the UAV will be investigated through the intended work. Novelty: There is very limited data concerning structural failure modes caused by impact and explosion loading on an UAV due to missiles. Method: The …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 7, Issue 2, 2018 · pp. 1–7 Read article
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Effect of Ply Orientation on Thermal Erosion and Conductivity of Silica Phenolic Composites Under Oxy-Acetylene Flame
Abstract: The thermal and erosion performance of fiber-reinforced composites is highly sensitive to fiber architecture, matrix chemistry, and processing techniques, factors that have shaped development of advanced thermal protection systems (TPS) over past two decades. Silica phenolic (SP) composites, in particular, are widely employed in aerospace and defense applications due to their flame resistance, char stability, and ability to withstand severe thermal shock. However, optimizing thermal conductivity while improving erosion resistance …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 273–283 Read article
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A Study on the Impact of GPS-Derived Tropospheric Delay over some Nigerian Stat
Abstract: The effect of GPS-derived tropospheric delay on radio propagation oversome Nigerian stations is examined. The stations are located in the African equatorial region, and include: Abuja (8.9°N, 7.4°E), Akure (7.3°N, 5.2°E), Enugu (6.5°N, 7.5°E), Lagos (6.5°N, 3.4°E), and Port Harcourt (4.8°N, 7.0°E). This is the first study in the African equatorial region that uses in-situ meteorology measurements as well as GPS satellite measurements to present the impact of tropospheric delay …
Published in Research & Reviews : Journal of Space Science & Technology · pp. 10–21 Read article
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Deformation Behaviour of the Billet and Tooling Design on AA5083 through Equal Channel Angular Pressing With Effect of Back Pressure
Abstract: Equal channel angular pressing is an emerging method applied to subject materials to significant plastic strains while maintaining the original shape of the billet. Researchers have discovered that the level of strain attained through equal channel angular pressing is influenced by factors such as the angle of die, friction conditions, and the implementation of back pressure. These variables significantly impact the microstructure and the irregularity of strain within the billet …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 287–303 Read article
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Wave Effects on the Performance of Giant Floating Offshore Wind Turbines
Abstract: The performance of a giant floating offshore wind turbine under the effects of wave misalignment has been modelled and simulated. Heave and period of the sea waves have been considered as the most relevant parameters to determine their effects on the power generation of the floating offshore wind turbine. The simulation has been run for two different situations, a non-restriction tilt angle case and a limited tilt angle case. The …
Published in Journal of Offshore Structure and Technology · Vol. 9, Issue 2, 2022 · pp. 6–17 Read article
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Application of RSM on Performance Characteristics in Turning of Hard Porcelain Material
Abstract: This paper presents the effect of cutting parameters on Bending and Voltage during turning of Hard Porcelain Material on CNC turning machine (SINUMERIK802D). In this work, all the cutting parameters namely, Spindle speed, feed rate, angle of cut and depth of cut are modelled using Response surface methodology (RSM). The impact of all the cutting parameters on the Response parameters (Bending and Voltage) is examined. Finally, the result of developed …
Published in Journal of Mechatronics and Automation · Vol. 2, Issue 2, 2015 · pp. 39–49 Read article
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Flexural Strength and Drilling Parameter of Natural Fiber Composites with Usage of Epoxy Resin
Abstract: An attempt that has been made to take use of the advantages offered by natural composite materials in light of the fast advancement of research and development in this field over the course of the previous two decades, from the laboratory to the factory floor. During the manufacturing process of laminates, polymer matrices are used, while cotton, jute, and sisal are utilised as reinforcing materials. Epoxy resin is used to …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 37–45 Read article
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Investigation on Tensile Properties of Redwood PLA Using FDM Process
Abstract: Fused Deposition Modeling (FDM) is an additive manufacturing technique employed to construct comprehensive 3-dimensional models using a variety of materials, catering to diverse applications. This study explores the fabrication of REDWOOD polylactic acid using (FDM) additive manufacturing processes. REDWOOD PLA, recognized for its biodegradability and renewable sourcing, holds promise as an eco-friendly material for 3D printing applications. The research investigates the tensile properties of REDWOOD polylactic acid (PLA) fabricated through …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 668–673 Read article