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294 articles for “impact loading”
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Evaluation of the Emission and Engine Operability of Biodiesel and Biodiesel Blends Produced from Alkali-Catalyzed Esterification and Transesterification of Jatropha Oil Feedstock
Abstract: This study reports on the engine performance analysis of biodiesel and blends produced from jatropha-based bio-oil feedstock via combined esterification and transesterification process, the physiochemical of the bio-oil, and subsequent biodiesel produced. Jatropha bio-oil was characterized to determine its fuel properties. A liquid phase transesterification reaction at 60 min reaction time, 50°C temperature, using a methanol-oil molar ratio of 40:1 and 0.35 g of sodium hydroxide (NaOH) catalyst was carried …
Published in Journal of Petroleum Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 9–21 Read article
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Advanced Fiber-Reinforced Polymer Composites: Processing, Nano-Modified Adhesive Technologies, Interfacial Engineering, Durability, and Structural Applications—A Comprehensive Review
Abstract: Fiber reinforced polymer (FRP) composites are considered to be one of the most universal categories of advanced engineering materials owing to their unique properties such as outstanding strength-to-weight ratio, corrosion resistance, fatigue durability, and wide opportunities for design. Innovations in the fields of fiber reinforcement, polymer matrix system, composite manufacturing technologies, and nano-modified adhesives technology have greatly extended the range of applications of this type of materials in aerospace, automotive, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 980–990 Read article
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FAILURE ANALYSES OF 16MM THICK SA 516 GR 70 AUTO CLAVE
Abstract: With the acceleration of global industrialization, there is a demand for high- or low-pressure storage of liquids or gases. Because of the complicated operating conditions that will inevitably encounter a possible hazard, pressure vessel design is a critical responsibility. Previous failure studies have revealed that the presence of local loads and discontinuities increases pressure vessel fracture. As a result, a detailed examination of pressure vessel steel from the standpoint of …
Published in Trends in Mechanical Engineering & Technology · Vol. 12, Issue 1, 2022 · pp. 21–30 Read article
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Mechanical Characterization of Bio-Based Polymer Composites Manufactured by Additive Manufacturing
Abstract: The use of bio-based polymer composites in additive manufacturing is becoming more and more attractive, but their mechanical properties are very sensitive to the loading of reinforcement, the orientation of the raster and defects of the printing process. In this study, the mechanical properties of PLA–bagasse composites produced by material extrusion were studied, focusing on the influence of the reinforcement fraction and the deposition structure. The composites were tested with …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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A Review of Failure Investigations and Its Techniques
Abstract: Valve failure poses a significant financial risk in the offshore oil and gas industry. Serious repercussions from this problem could include property damage and lost output from operational shutdowns. Additionally, it can lead to serious health, safety, and environmental (HSE) concerns such as oil and gas leaks, environmental contamination, and potential fatalities. In the Norwegian offshore industry, different kinds of valve failures have happened for a number of reasons, including …
Published in Journal of Thermal Engineering and Applications · Vol. 12, Issue 2, 2025 · pp. 33–41 Read article
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Comparative Analysis of Eco Friendly Brick with Red Bricks
Abstract: This research presents a comparative analysis between conventional red bricks and eco-friendly bricks made from mud, rice husk, and dry plant leaves. The aim is to evaluate the potential of using sustainable, low-cost, and locally available agricultural waste materials in brick production as an environmentally conscious alternative to traditional methods. The eco-bricks were manufactured without kiln firing, significantly reducing energy consumption and carbon emissions. A series of laboratory tests—including compressive …
Published in Journal of Structural Engineering and Management · Vol. 12, Issue 3, 2025 · pp. 42–46 Read article
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RCCI Engine: Performance and Emission Testing Using Biodiesel
Abstract: With dwindling fossil fuel reserves and rising energy demands, the need for renewable alternatives is more critical than ever. This study explores the potential of Karanja biodiesel, a fuel derived from Karanja oil, as a sustainable replacement for diesel in RCCI engines. Karanja biodiesel offers several advantages. It's renewable, reduces dependence on fossil fuels, and produces lower emissions compared to traditional diesel. This research investigates how Karanja biodiesel blends impact …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 13, Issue 3, 2023 · pp. 30–41 Read article
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Impact of Red Stone Dust and Polymer Fabric in Enhancing the Properties of Black Cotton Soil
Abstract: To enhance the mechanical properties of problematic black cotton soil, engineers are focusing on reinforcing the soil with geosynthetic materials. This attention is particularly directed towards improving the strength characteristics of black cotton soil, given its inherent challenges associated with volume changes and plasticity. In this comprehensive study, red stone dust waste is introduced in varying percentages ranging from 5% to 35% to stabilize the black cotton soil. The goal …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 35–43 Read article
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Comprehensive Seismic Evaluation of Underground Water Tanks with Focus on Fill Conditions: An In-Depth STAAD.Pro Analysis
Abstract: The seismic analysis of underground water tanks is crucial for ensuring their structuralintegrity and performance during seismic events. This review paper focuses on the seismicanalysis of underground water tanks considering different fill conditions, utilizing theSTAAD.Pro software for analysis purposes. The significance of seismic analysis in undergroundwater tanks and highlights the importance of considering fill conditions during the analysis.Various fill conditions, such as empty, partially filled, and fully filled tanks, are …
Published in Journal of Structural Engineering and Management · Vol. 10, Issue 3, 2023 · pp. 20–26 Read article
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Software and Hardware Implementation of Quasi z Source Inverter in DC-DC Converter with DC Motor as Load
Abstract: DC/DC power converters are employed in applications like telecom, industrial, automotive, military, aerospace and motor drives. The dc/dc converter market is forecast to grow at a strong rate to $ 4.3 billion by 2016. The primary factor limiting the widespread application of low voltage producing renewable energy sources to motor load is interfacing of converter system. The traditional voltage source inverter (VSI) cannot be dealt without overrating of inverter because …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 97–107 Read article
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Energy-Efficient Thermal Management: Advanced Cooling Techniques for Electronics, Automotive, and Aerospace Applications
Abstract: The growing demand for energy-efficient systems across diverse industrial sectors, including electronics, automotive, aerospace, and renewable energy, has elevated the importance of advanced thermal management techniques. Effective heat dissipation is critical not only for maintaining optimal operating conditions in electronic devices but also for enhancing the performance and reliability of broader energy and mechanical systems. Inadequate thermal management can compromise energy efficiency, reduce component lifespan, and increase environmental impact. This …
Published in International Journal of Energy and Thermal Applications · Vol. 3, Issue 1, 2025 · pp. 18–23 Read article
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Comprehensive Introduction: Epoxy and Polyurethane Floor Coatings—A Critical Evaluation for Modern Industrial Applications
Abstract: Industrial flooring systems are essential for ensuring operational durability, safety, and longevity in demanding environments. Epoxy and polyurethane (PU) coatings represent two predominant technologies, each offering distinct mechanical, chemical, and aesthetic profiles tailored to specific performance requirements. Epoxy systems, formed through the crosslinking of bisphenol-A-based resins with amine hardeners, excel in high-strength, chemically aggressive settings due to their superior hardness, adhesion, and chemical inertness. In contrast, PU coatings, synthesized from …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 1, 2026 · pp. 14–23 Read article
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Polymer Composite-Enhanced Anaerobic Digestion of Kitchen Waste for Optimised Biogas Production: Process Design, Parametric Study, and Simulation Analysis
Abstract: There is an urgent need for decentralised sustainable biogas production from organic waste due to the rising amount of food waste in cities. The application of polymer composite material including HDPE tanks, PVC pipes, and FRP secondary containment systems presents a promising option compared to conventional MS digester fabrication in terms of durability, excellent thermal insulation capability, light weight, and easier installation. This study explores the possibility of adopting a …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 803–818 Read article
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Design and Investigation of Peltier Technology for Automobile Air-Conditioning Unit
Abstract: AbstractIn recent years, market of heating, ventilation and air-conditioning system (HVAC) has escalated a lot. These units provide cooling and conditioned atmosphere to automobiles, buildings, cold storage etc. HVAC units are very reliable and effective but they produce some adverse impact on environment. This paper proposes the use of solar energy with thermoelectric (Peltier) technology. In order to determine the efficiency of solar energy assisted thermoelectric module, it is necessary …
Published in Journal of Microelectronics and Solid State Devices · Vol. 6, Issue 3, 2019 · pp. 37–42 Read article
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Improving Highway Surface Course Properties of Asphalt Concrete for Heavy Traffic Loading using Mineral Fillers
Abstract: Failure signs seen on both rigid and flexible pavement as distresses is most often instigated by mix properties of the surface due to many factors. Traffic loading, Stripping or raveling is another possible cause of such effects. Stripping occurs when poor adhesion between asphalt cement and aggregate allows the aggregate at the surface to dislodge. As a result, mineral fillers in hot-mix asphalt concrete to obtain certain desirable properties has …
Published in Recent Trends in Civil Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 12–22 Read article
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Composite Fabrication by Stir-Cast for Al C355.0 With Particulates Hematite Reinforcements at Different Weight Percentages in Copper Chills with and Without Water Circulation for Mechanical and Fatigue Performance
Abstract: This study investigates the fabrication of aluminum matrix composites using the stir casting method to analyze the mechanical characterization and fatigue behavior of Al C355.0 composites reinforced with varying weight percentages of hematite particulates. The hematite content was systematically adjusted from 0 wt. % to 12 wt. % in 3 wt. % increments, with the presence of constituent elements confirmed through Energy Dispersive Spectroscopy (EDS). The incorporation of hematite reinforcement …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 324–336 Read article
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Soil Stabilized Road
Abstract: This research examines the suitability of soil-stabilized roadways for light vehicular movement, offering an economical and practical alternative for areas with limited infrastructure development. Stabilizing soil involves improving its engineering properties by incorporating additives such as cement, lime, or other binding materials. Through stabilization, the treated soil can achieve a compressive strength of approximately 5 N/mm², or 500 tonnes per square meter (t/m²), which is sufficient to support loads imposed …
Published in Journal of Geotechnical Engineering · Vol. 12, Issue 2, 2025 · pp. 38–42 Read article
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Evaluation of Impacts of Dispatch Headway Variability in Bus Transit Systems in a Simulated Route
Abstract: This paper presents reliability analysis of bus transit systems based on numerical simulation of the range of headway variations in a bus route consists of multiple stops. Variation of performance in bus operation due to the variation of departure headways is determined through number of simulations. Operational performance is measured by the average waiting time of passengers at stops. Simulation results show that average waiting time as well as spread …
Published in Trends in Transport Engineering and Applications · Vol. 1, Issue 3, 2014 · pp. 7–18 Read article
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Comparative Study of Clamped-Clamped and Clamped-Free Elastic Beams Resting on Bi-Parametric Subgrades and Subjected to Concentrated Moving Loads
Abstract: In this paper, a comparative study of clamped-clamped and clamped-free elastic beams resting on bi-parametric subgrades subjected to concentrated moving load has been investigated. This work takes into account the viscous effects of the moving load. The findings are shown graphically. The methods of solution incorporate integral transformation in combination with convolution theory, a version of Struble's asymptotic approaches, and Fourier integral translate with the series representation of the Dirac-delta …
Published in Journal of Experimental & Applied Mechanics · Vol. 16, Issue 1, 2025 · pp. 17–33 Read article
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Flexural Behavior of Warm Mix Asphalt Concrete
Abstract: Research work on implementation of Warm Mix Asphalt (WMA) for roadway paving has been undertaken by many researchers due to its beneficial impact on the environment and reduction in the fuel consumption. In this investigation, two WMA mixtures have been prepared in the laboratory using medium curing cutback (MC-30) and Cationic emulsion. Hot mix asphalt (HMA ) mixture was also prepared for comparison. Beam specimens of (380 mm) in length, …
Published in Trends in Transport Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 10–20 Read article