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1900 articles for “pro/engineer”
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Mechanical and Thermal Performance of PETG Composites Reinforced with Short Carbon Fibers via Fused Filament Fabrication
Abstract: The study investigates the fabrication and characterization of polyethylene terephthalate glycol (PETG) composites reinforced with short carbon fibers (CF) using the fused filament fabrication (FFF) technique. Composite filaments with varying CF weight fractions (0, 5, 10, 15, and 20 wt%) were produced and evaluated for their mechanical, thermal, and morphological performance. The influence of CF reinforcement on tensile, flexural, and impact behavior was systematically examined, alongside thermal stability metrics including …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1219–1238 Read article
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Foundation in Weak Soil
Abstract: In geotechnical engineering, it is crucial to evaluate the interaction between structural loads and soil properties to ensure the stability and safety of foundations. In this scenario, the column is subjected to a load of 120 tons, with an additional 10% safety factor added, resulting in a total load of 132 tons at the foundation base. The foundation base is designed with dimensions of 2.5 meters by 2.5 meters, and …
Published in Journal of Geotechnical Engineering · Vol. 11, Issue 3, 2024 · pp. 47–52 Read article
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A Review on effect of sandwich material on mechanical properties of resistance spot welding
Abstract: Resistance spot welding (RSW) is metal surface joining process. in which contacting metal are joining by the heat obtained from electric current. It is generally used for fabricating sheet metal assemblies such as automobile part, truck cabins, rail vehicles and home applications due to its advantages in welding efficiency. A study will be conducting to investigate the mechanical properties of sandwich material. In this work, an attempt is made to …
Published in Journal of Industrial Safety Engineering · Vol. 6, Issue 2, 2019 · pp. 32–35 Read article
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An Analytical Study on Learning Difficulties in Estimation Theory Among Undergraduate Engineering Students
Abstract: Estimation Theory is a critical mathematical foundation for all engineering disciplines, enabling learners to model uncertainty, analyse signals, and derive optimal estimators. However, undergraduate students frequently struggle with its abstract properties, complex derivations, and prerequisite statistical concepts. This study investigates the key learning difficulties faced by students across multiple engineering branches using diagnostic tests, structured questionnaires, and interviews. The findings reveal that students commonly experience challenges related to weak probability …
Published in Research & Reviews : Journal of Statistics · Vol. 15, Issue 1, 2026 · pp. 37–41 Read article
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Recent Advances in Crystalline Materials
Abstract: Crystalline materials are solids in which atoms, ions, or molecules are arranged in a highly ordered, repeating three-dimensional lattice. This well-defined structure gives rise to unique physical, chemical, electrical, optical, thermal, and mechanical properties, making crystalline materials essential for numerous scientific and industrial applications. Advances in materials science, crystal engineering, and nanotechnology have enabled precise control over crystal size, morphology, composition, and defect structures through innovative synthesis techniques. These developments …
Published in International Journal of Crystalline Materials · Vol. 3, Issue 2, 2026 · pp. 14–21 Read article
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Water reservoir engineering and management
Abstract: This work aims to develop a practical system to store water in times of abundance and reuse it in times of scarcity. The proposed system uses natural caves, caverns, or empty underground spaces from mining or oil or gas extraction to store water. The geological structure of the water reservoir should be a non-porous substrate to avoid leakage. Water collection comes from dam discharge during thaw times or river flooding, …
Published in Journal of Water Resource Engineering and Management · Vol. 11, Issue 1, 2024 · pp. 1–12 Read article
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Case Study on the Limitations of Prefabricated Building Technology in Ethiopian Building Industry: The Case of Addis Ababa
Abstract: AbstractWorldwide, prefabricated method of construction (PMC) is the most practicable and effective method of construction. However, in Ethiopia it is not further growing and the construction sector depends on conventional method of construction (CMoC). On the contrary, the building construction industry in Ethiopia is increasing due to tremendous growth in population and fast urbanization. The purpose of this study was to investigate the critical causes that limit the application of …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 1, 2018 · pp. 11–17 Read article
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Nano- Catalysts for Enhanced Performance in Hydrogenation Reactions
Abstract: The development of nano-catalysts has revolutionized the field of hydrogenation reactions, offering unparalleled efficiency and selectivity. This study explores the synthesis, characterization, and application of novel nano-catalysts designed to enhance hydrogenation processes. By leveraging advanced materials science techniques, we have engineered catalysts with precisely controlled particle sizes, shapes, and surface properties. These nano-catalysts exhibit remarkable activity and stability, attributed to their high surface area-to-volume ratios and unique electronic structures. Our …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 1, 2024 · pp. 22–27 Read article
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Optimization of Production Scheduling using Multi-Tasking by Multi-Population Genetic Algorithm
Abstract: Production scheduling is an important activity for manufacturing and engineering, where it can have a major impact on the productivity of a production system. Traditional in-house manufacturing involves production machines with dedicated operators. Here, multitasking technique is used to optimize the production scheduling problem. In parallel machine scheduling, there are n jobs and m machines and each job needs to be executed on one of the machines during a fixed …
Published in Journal of Production Research & Management · Vol. 5, Issue 1, 2015 · pp. 18–26 Read article
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Electro Magnetic Force based Train
Abstract: The swift advancement in transportation technology encouraged scientists to seek out faster and eco-friendly propulsion techniques. The majority of transportation systems depend on mechanical engines and wheel-axle setups that generate friction, noise and energy dissipation. Because of these drawbacks there is potential for propulsion approaches. A contemporary technique is propulsion, which utilizes electromagnetic forces rather, than traditional mechanical movement. This research paper addresses the design and operation of a train …
Published in Trends in Mechanical Engineering & Technology · Vol. 16, Issue 1, 2026 · pp. 37–45 Read article
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Structure–Property–Performance Characteristics of Chlorella Vulgaris Lipid-Based Bio-Composites Modified with n-Pentanol
Abstract: The depletion of fossil fuel resources and increasingly stringent emission regulations have intensified the need for sustainable alternatives for compression ignition (CI) engines. Biodiesel derived from Chlorella vulgaris microalgae is a renewable, non-edible fuel; however, its higher viscosity and lower volatility can adversely affect engine performance. To address these limitations, higher alcohols such as n-pentanol can be employed as effective modifiers to improve fuel physicochemical properties while maintaining compatibility with …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1636–1648 Read article
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Influence of Different Fluxes on the Angular Distortion of A-TIG Welded 316L Steel Plates
Abstract: The conventional Tungsten Inert Gas (TIG) welding process is an autogenous welding process primarily used to weld thin metal sheets in the food processing and chemical industry. The process can weld almost all engineering materials but suffers from the limitation of slow speed and inability to weld thick sections. With the development of A-TIG welding, some of the drawbacks of traditional TIG welding have been addressed, where the activated flux …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 99–103 Read article
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Design of a Real-Time Temperature Monitoring System using PIC to PIC SPI Communication with Multiple Displays and Wireless GUI Control
Abstract: AbstractThis paper proposes a real-time temperature monitoring system using PIC to PIC communication with SPI protocol that can read, process and display the sensed data. The system has three modules, a Sensor (Slave) module, a Master module and a computer-based GUI module. The GUI provides control operations and communicates with the Master module over Bluetooth to send control commands and receive data. The Master module takes control commands from the …
Published in Journal of Microcontroller Engineering and Applications · Vol. 7, Issue 2, 2020 · pp. 6–24 Read article
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Aureobasidium pullulans- The Versatile Microcolonial Fungus for Industrial Production of Natural Products
Abstract: Aureobasidium pullulans, a yeast-like fungus, exhibits a remarkable capacity for synthesizing an extensive array of bioproducts with diverse industrial applications. This fungus is known to survive in several environmental conditions, making it a robust organism for biotechnological processes. The organism is characterized by its adaptability to various environmental conditions and habitats. It produces an array of extracellular enzymes such as amylases, lipases, proteases, and pectinases, contributing to its role as …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 14, Issue 1, 2024 · pp. 19–31 Read article
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Re-engineering the Engineered Construction Organization
Abstract: The concept of organization as a basic information processing system to provide flexibility and adaptability in highly uncertain and turbulent construction environment was used to design a post-bureaucratic organizational structure particularly for construction industry. The different divisions/departments in the organization are developed as interacting information processing subunits generating and disseminating a continuous flow of data/information. In addition to proposing the efficient way of vertical communication for productivity improvement, the proposed …
Published in Journal of Construction Engineering, Technology & Management · Vol. 3, Issue 3, 2013 · pp. 54–66 Read article
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Analysis for Pier of Railway Bridge
Abstract: The load-bearing capacity of a pier is determined by the combined effects of the load from the train and the self-weight of the girder it supports. The bending of the pier is influenced by its height, which necessitates a careful assessment of the pier's thickness across various girder spans and pier heights. This evaluation ensures that the pier can withstand the imposed loads while adhering to permissible deflection limits. By …
Published in Trends in Transport Engineering and Applications · Vol. 11, Issue 1, 2024 · pp. 37–43 Read article
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Static and Dynamic performance of RCC framed structure subjected to Geometric and Material non linearity
Abstract: Extensive research in the field of construction materials has led to the manufacture of improved materials and the engineers are familiar with the properties of the materials more than ever before. This has helped to predict the behavior of the structure in its entire intended time of service. Finite element based software can now predict the structural elements that may becritical in due course of time. These analyses are tedious …
Published in Journal of Structural Engineering and Management · Vol. 7, Issue 2, 2020 · pp. 21–26 Read article
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Polymer-Modified Fly Ash Concrete as a Sustainable Cementitious Composite for Low-Carbon and Durable Infrastructure
Abstract: There is a need for sustainable cementitious composites in the construction industry which can help in reducing carbon emission and increase the durability of the constructed infrastructure. The utilization of fly ash can not only benefit the environment, but also by adding polymer modifiers, a high-performance and low-carbon composite material polymer modified fly ash concrete (PMFAC) can be produced. The study examines the engineering potential and sustainability of PMFAC by …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 · pp. 101–114 Read article
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Integrative Structural-Functional Genomics of Fc and Fab: Precision Models for Monoclonal Antibody Stability and Anti-Aggregation Engineering
Abstract: Monoclonal antibodies (mAbs) represent the cornerstone of biotherapeutics, yet aggregation propensity compromises up to 50% of candidates during development, driven by Fab hypervariability and Fc vulnerabilities.(1,2) This review integrates functional genomics from OAS (4B+ sequences)(5) and structural databases (SAbDab: 10K+ structures)(6) with machine learning models achieving R=0.97 for SAP prediction.(11) We dissect biophysical mechanisms, benchmark predictive tools (DeepSP, ESM2), and engineering strategies (YTE, FW mutations) that enhance Tm by 5-10°C …
Published in International Journal of Molecular Biotechnological Research · Vol. 4, Issue 1, 2026 Read article
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Production and Characterisation of Bio-ethanol from Sweet Sorghum Juice
Abstract: Sweet sorghum stalks obtained from local market in Zamfara State were evaluated for bioethanol production. The process is considered to be economically feasible considering the percentage yield of sweet sorghum juice obtained from the stalks which was eventually converted to bio-ethanol through fermentation and distillation. The bio-ethanol obtained in the process was analyzed and the properties are compared with the standard specifications set by Standard Organisation of Nigeria (SON). Most …
Published in Emerging Trends in Chemical Engineering · Vol. 4, Issue 3, 2017 · pp. 34–37 Read article