Search
38 articles for “Energy absorption”
-
Numerical Analysis of Energy Absorption Ability of Polygonal Tubes under Crushing
Abstract: Honeycomb panels are used mostly in energy absorption application in engineering fields such as aerospace, transportation and packaging, etc. Honeycomb panels have good stiffness and are weight efficient structures. The honeycomb core consists of cellular cells. The core cell’s geometry of honeycomb affects the energy absorption ability. In this study, the different geometries of individual cell are analysed in tube form. Tubes of different geometries like square, pentagon, hexagon, octagon, …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 7, Issue 1, 2021 · pp. 22–30 Read article
-
Sub-structure Geometry Effect on Energy Absorption Ability of Hierarchical Honeycomb under Crushing
Abstract: Honeycomb structures are stiff and light weight composite structures which show good energy absorption. Hierarchical honeycomb structures which are bio-inspired innovative form of honeycomb structure, are used for energy absorption applications. The crashworthiness of hierarchical honeycomb structures is function of sub-structure geometry. In the present investigation, crushing of vertex based hierarchical honeycomb with regular polygonal (n=3, 6, 9, 12, 15) and circular substructures is analysed using nonlinear explicit finite element …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 7, Issue 2, 2021 · pp. 1–17 Read article
-
Influence of Rubber Particle Size on the Ductility and Energy Absorption of Structural Elements
Abstract: Abstract This research investigates how the rubber particle sizes influence the ductility and energy absorption of structural members made of RC. For this analysis, the different types of waste tire rubbers (with a grains size of 1–2 mm, 3–5 mm, and 6–10 mm) were partially replaced for fine aggre-gates. The compressive strengths, load-deflection behaviors, ductility ratios and energy dissipation properties are discussed by means of experimental mix design analysis and …
Published in International Journal of Structural Engineering and Analysis · Vol. 12, Issue 1, 2026 Read article
-
Fabrication of a Cost-Effective Bulletproof Vest Made of Composite Materials
Abstract: Bulletproof vests have evolved significantly, with composite materials like felt, M Sand, and silicone rubber sealant ushering in a new era of personal protection. These unconventional composites offer a unique blend of ballistic resistance, cost-efficiency, and wearer comfort. Felt, a pliable material, adds a layer of protection by effectively absorbing and dissipating kinetic energy from projectile impacts. Its flexibility enhances wearer comfort, setting it apart from traditional materials’ Sand, a …
Published in International Journal of Manufacturing and Materials Processing · Vol. 10, Issue 2, 2024 · pp. 16–31 Read article
-
Finite Element Modeling of RC Beam Column Sub-assemblages Subjected to Column Loss Scenario
Abstract: Progressive collapse is a situation where a failure of whole or large part of a structure occurs that has been initiated by failure of a relatively small part of the structure such as failure of any primary structural element. When a vertical load carrying element, typically a column is lost, the loads that are supposed to pass through lost column need to be safely transferred to the adjacent elements to …
Published in International Journal of Structural Engineering and Analysis · Vol. 6, Issue 2, 2020 · pp. 1–20 Read article
-
A Review on Hybrid Honeycomb Engine Mounts for Vibration Isolation in Variable Compression Ratio Engines
Abstract: The increasing sophistication of modern engine systems has highlighted the importance of advanced vibration control methods. Engines today are required to function under continuously changing operating conditions, particularly in Variable Compression Ratio (VCR) systems, where vibration behavior becomes highly complex, non-linear, and dependent on time. Under such circumstances, conventional engine mounts often struggle to deliver stable and consistent performance. In contrast, hybrid honeycomb structures offer significant advantages due to their …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 12, Issue 1, 2026 · pp. 29–34 Read article
-
Numerical Investigation of Hybrid Composite Armors: Cost-Effective Solutions for Ballistic ProtectionUsing ANSYS
Abstract: This study presents a detailed numerical investigation of hybrid composite armors as a cost-effective and lightweight solution for ballistic protection. With increasing the demand of protective systems that ensure high mobility with light weight and cost-effective armor without compromising safety. Traditional steel armor has already proven to be a reliable protection system but the main problem is its mobility. To address this issue, the work focuses on composite material as …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 11, Issue 2, 2025 · pp. 1–11 Read article
-
Mechanical Behavior of Glass Fiber Reinforced Polyester Composites Modified with Silane Treated Alumina Nanofibers Subjected to Low-Velocity Impact
Abstract: The rise in demand and interest in lightweight offshore structures for marine, defense, automotive, and aerospace applications require nanoparticle enhancement of fiber-reinforced composite materials. When exposed to low-velocity Impact during service, these materials experience drastic changes and degradation in their macro-and microstructures. Therefore, it is critical to have a detailed comprehension of these materials' mechanical behavior and failure mechanisms. Within the scope of the current study, low-velocity impact behavior of …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 2, 2023 · pp. 55–73 Read article
-
Mechanical Behaviour of Natural Reinforced Polymer Composites with Hybrid Additives
Abstract: The implementation of natural fibres is the fast approaching ‘green’ economy based materials that are used in polymer matrix composites that are intended to replace the conventional synthetic polymer composites. Being plenteous fundamentally, natural fibres have been existed the primary form of natural resources for centuries. Considering that mechanical properties of composites are strongly influenced by the quality of the fibre/matrix interface and with eco-friendly properties like excellent energy absorption, …
Published in International Journal of Polymer Science and Engineering · Vol. 2, Issue 1, 2016 · pp. 7–12 Read article
-
MECHANICAL BEHAVIOR OF MICRO-LATTICE STRUCTURE OF BCC ARCHITECTURE IN SANDWICH CONSTRUCTION UNDER UNI-AXIAL COMPRESSIVE LOADING CONDITIONS
Abstract: ABSTRACT: Due to high energy absorption and fire resistant characteristics, the researchers have focused on micro-lattice structures. This research paper focused on applications of micro-lattice structures in the foreign object impact conditions and has high potential in the future of any structural applications, mainly aircraft structural applications. The micro-lattice structures are of body centered cubic (BCC) architectures and for modeling, the structures with four different unit cell edge lengths are …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 2, 2018 · pp. 1–23 Read article
-
Graphene and Carbon Nanotube-PLA Composite Feedstock Filament for Fused Deposition Modelling:Review
Abstract: 3D printing or AM has revolutionized the way of manufacturing by designing complex structure in atomized features which cannot be realized by conventional processing method. Many are adopting Additive Manufacturing over traditional method to manufacture sophisticate products from single or composite material. 3D printing has a demerit that the mechanical properties of product suffer. To address this problem, this study is conducted for development of improved and sustainable feedback material …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 6, Issue 1, 2020 · pp. 22–26 Read article
-
Investigating Analogue Gravity Phenomena through Electronic Black Holes: A Study
Abstract: The universe, in its grand cosmic ballet, is replete with mysteries, and among the most profound are the enigmatic black holes. These celestial behemoths, born from the collapse of massive stars, warp spacetime to such an extent that nothing, not even light, can escape their gravitational embrace. Their behavior, governed by Einstein's theory of General Relativity, pushes the boundaries of our understanding, presenting phenomena like Hawking radiation – a quantum …
Published in International Journal of Microwave Engineering and Technology · Vol. 12, Issue 1, 2026 · pp. 9–24 Read article
-
Experimental Analysis on Generation of Electricity Through Braking System (Regenerative Braking System)
Abstract: In conventional braking system the motion is retarded or stopped by absorbing kinetic energy by friction, by making the contact of the moving body with frictional rubber pad (called brake liner) which causes the absorption of kinetic energy, and this is wasted in form of heat in surroundings. Each time we brake, the momentum of vehicle is absorbed that it has gained by it and to re-accelerate the vehicle. As …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 4, Issue 1, 2018 · pp. 11–24 Read article
-
Nanotechnology Advancements for Sustainable Energy Solutions
Abstract: Nanotechnology has emerged as a promising field with immense potential for addressing the global energy challenges and achieving sustainable energy solutions. This abstract explores the advancements in nanotechnology that contribute to sustainable energy solutions. It begins by highlighting the urgent need for sustainable energy sources and the limitations of conventional energy technologies. The abstract then delves into various nanomaterials and nanostructures that have revolutionized energy conversion, storage, and utilization processes. …
Published in International journal of Nanobiotechnology · Vol. 9, Issue 1, 2023 · pp. 38–46 Read article
-
Synthesis and characterization of some organic semiconductor materials for optoelectronics
Abstract: Charge transfer complexes have high molar absorptivities and it’s an important phenomenon in the energy transfer process to increase the conductivity. Charge transfer complexes have been used in organic photovoltaic cells, organic semiconductors. Charge transfer complexes formed between electron donors and acceptors with strong interaction.In this paper, a Charge transfer complexes (CTC) of some organic semiconductor’s materials have been studied spectrophotometrically in chloroform, when the optical absorption of the CTC …
Published in International Journal of Energetic Materials · Vol. 6, Issue 1, 2020 · pp. 14–24 Read article
-
Structural, Optical, and Antibacterial Properties of NiCr₂O₄/NiO Nanocomposite Synthesized by a Facile Microplasma Electrochemical Process
Abstract: Nowadays increasing severity of environmental pollution and antibiotic resistance poses significant global challenges, particularly due to the accumulation of organic pollutants from industrialization and the proliferation of antibiotic-resistant bacteria, which jeopardize ecosystems and public health. To address these issues, the development of advanced nanocomposites with photocatalytic and antimicrobial properties is of paramount importance. This article reports the synthesis of NiCr₂O₄/NiO nanocomposite conducted in the current study via atmospheric pressure microplasma …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 1–12 Read article
-
Suitability of Methyldiethanolamine (MDEA) and Piperazine (PZ) for Improving CO2 Absorption Efficiency Using Rotating Packed Bed (RPB) Technology: A Modeling and Simulation Study
Abstract: Carbon dioxide (CO2) capture and storage (CCS) is an essential technology for reducing atmospheric CO2 emissions and mitigating climate change, especially in fossil-fuel power generation. However, the high cost of CCS technologies has hindered their widespread adoption. In this study, we modeled CO2 removal using a rotating packed bed (RPB) technology using Visual Fortran and Aspen Plus software. We made use of a blended amine solution including different molar concentration …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 2, 2023 · pp. 9–15 Read article
-
Towards Net Zero: Retrofitting Commercial Halls for IGBC Compliance
Abstract: This paper outlines an integrated energy-efficient retrofitting framework for Shyamvadi, a 10,000 sq. ft. commercial party hall in Junagadh, Gujarat, targeting IGBC Existing Building certification. The retrofit scope included the deployment of a 34.8 kW rooftop solar PV system, LED lighting upgrades, BEE 5-star-rated inverter HVAC units, envelope insulation using reflective coatings and PUF panels, and IoT-based energy monitoring. Baseline and post-retrofit performance data were analysed to quantify energy savings, …
Published in International Journal of Architecture and Infrastructure Planning · Vol. 11, Issue 1, 2025 Read article
-
Uses of Natural Fibres in Polymer Composites
Abstract: The increasing demand for sustainable and eco-friendly materials has led to growing interest in utilizing natural fibers as reinforcements in polymer composites. Natural fibers such as jute, flax, hemp, sisal, and coir have gained notable attention due to their renewable origin, biodegradability, low density, and cost-effectiveness when compared with conventional synthetic fibers like glass or carbon. When combined with suitable polymer matrices, these fibers form natural fiber-reinforced polymer composites (NFRPCs), …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 1, 2026 · pp. 1–9 Read article
-
Treatment of CO2+NH3 Mixed Waste Gas from Different Sources by Blend Solvents
Abstract: The waste gas from chemical plants, including urea fertilizer plant, contains a large amount of CO2 gas in addition to NH3 gas. New solvents have been studied for use in the absorption of waste gases, but most of them are carried out at specific compositions and flow rates for individual gases. In this paper, a complete conceptual design of the process for separately absorbing CO2 and NH3 gases in a …
Published in International Journal of Chemical Separation Technology · Vol. 10, Issue 2, 2024 · pp. 1–19 Read article