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1977 articles for “AC Analysis” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Formation and Fabrication of A 3D- Printed Polymer Propeller for Improved Propulsion and Minimal Acoustic Emission: A Comparative Study for Small Unmanned Vehicles
Abstract: The current research focuses on a comparative analysis of propeller designs to identify an option that enhances thrust efficiency while minimizing acoustic noise. The study evaluates three distinct types of propellers: the traditional three-blade propeller, the Sharrow propeller, and a novel aero propeller featuring an air foil-shaped cross-section. To facilitate a hands-on analysis, these propellers were produced using 3D printing technology, specifically employing ABS filament through a Fused Deposition Modelling …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 252–261 Read article
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Theoretical and Simulation Studies on Gas Well Performance
Abstract: The productivity of any oil or gas well is governed by its maximum flow potential with the available varying parameters such as draw-down pressure availability, tubing sizes available to lift the fluid, and others. The present study on the performance of a gas well delineates the appropriate parameters that are necessary for maximizing the flow from the reservoir to the wellhead surface by utilizing a performance simulator, with nodal analysis …
Published in Journal of Petroleum Engineering & Technology · Vol. 11, Issue 2, 2021 · pp. 9–24 Read article
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Experimental and Numerical Investigation of Corrosion-Induced Failures in Copper-Tin Alloy (Cu-Sn) and Aluminum-Magnesium Alloy (Al-Mg) Connectors: A Stress–Corrosion Coupling Analysis
Abstract: The utilization of an integrated experimental and finite element modelling (FEM) methodology, this study investigates the degradation and failure mechanisms in polymer composite electrical connectors exposed to aggressive environmental conditions. Epoxy- and polyamide-based composites, reinforced with carbon and glass fibers, were subjected to accelerated salt spray and humidity–temperature cycles to simulate prolonged outdoor exposure. Electrochemical and environmental aging experiments revealed that chloride ions and moisture ingress were responsible for matrix …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 366–379 Read article
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Time Series Forecasting of Electricity Consumption: A Comparative Analysis of ARIMA and SARIMA Models
Abstract: Accurate electricity demand forecasting plays a vital role in energy planning, efficient power system operation, and sustainable resource management. This study conducts a comparative evaluation of the Autoregressive Integrated Moving Average (ARIMA) and Seasonal Autoregressive Integrated Moving Average (SARIMA) models using ten years of monthly electricity consumption data collected from a national electricity regulatory authority. The performance of both models is assessed using forecasting accuracy metrics, including Mean Absolute Error …
Published in Research & Reviews : Journal of Statistics · Vol. 15, Issue 2, 2026 · pp. 43–53 Read article
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Establishment of Wax Deposition Index from Saturates, Aromatics, Resins, Asphaltenes Analysis
Abstract: Saturates, aromatics, resins, asphaltenes (SARA) analysis is one method of characterizing crude oils. It is versatile because it can apply to many components of the crude oil. SARA analysis furnishes one with the composition of any crude and ultimately gives an idea of the potential of the crude oil to precipitate and deposit wax. This analysis method usually breaks crude oil down into four components (saturates, aromatics, resins and asphaltenes) …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 1–8 Read article
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Risk Management in Civil Engineering by FTA, FMEA and Risk Matrix
Abstract: Infrastructure projects, particularly in civil engineering, are fraught with uncertainties that manifest as both physical and financial risks. The project report, titled Quantifying and Managing Financial and Physical Risks in Infrastructure Projects, aims to bridge the existing gap between managing these two critical categories of risks. By integrating advanced statistical methodologies such as Failure Mode and Effects Analysis (FMEA), Fault Tree Analysis (FTA), Risk Matrix, and Regression Analysis, this study …
Published in Journal of Structural Engineering and Management · Vol. 12, Issue 1, 2025 · pp. 34–46 Read article
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3D Printing for Polymer Science Visualization
Abstract: The burgeoning field of 3D printing offers exciting possibilities for various scientific disciplines. This paper explores the potential integration of 3D printing technology within the realm of polymer analysis. While the core focus of memory forensics investigations lies in digital forensics, the concept of 3D printing complex data structures presents intriguing possibilities for the visualization and communication of findings in polymer science. Here, we propose a future research avenue where …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 96–101 Read article
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An Introduction to Proteome Bioinformatics
Abstract: For basic and translational research, high-throughput approaches are essential. Recent improvements in proteomics techniques, for example, have allowed biomedical researchers to characterise the proteome of a variety of creatures. Proteome bioinformatics approaches and technologies have greatly aided this extraordinary progress. The study and use of informatics in the realm of proteomics is known as proteome bioinformatics. This chapter presents an overview of the computational strategies, methodologies, and techniques for bioinformatics …
Published in Research and Reviews : Journal of Computational Biology · Vol. 10, Issue 3, 2021 · pp. 7–9 Read article
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Evaluation of Patient-Specific Quality Assurance for RapidArc Treatment Delivery Using Dose Volume Histogram
Abstract: This study aims to evaluate the application of dose volume histogram (DVH) metrics within the patient-specific quality assurance (PSQA) protocol in various sites for RapidArc treatment delivery. Forty patients were included in this study, of which twenty each Head and Neck (H&N) and Pelvis Rapid Arc plans were evaluated. Octavius 4D 1500 detector array with vented parallel plate ion chambers was used for this study, which reconstruct the pre-treatment measured …
Published in Journal of Polymer & Composites · Vol. 11, Issue 7, 2023 · pp. 14–22 Read article
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The Role of Surface Treatments on Mechanical and Interfacial Shear Strength of Pineapple Leaf Fibers
Abstract: Natural fibers are seen as having potential application as reinforcing agents in polymer composite materials due to their main advantages, which include moderate strength and stiffness, low cost, and being an environmentally beneficial, degradable, and renewable material. They are susceptible to absorbing moisture because of their innate hydrophilicity, which can weaken or plasticize the adherence of the fibers to the surrounding matrix and impact the performance of composite materials employed …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 3, 2022 · pp. 18–28 Read article
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Progressive collapse analysis study of rc building:a review
Abstract: The progressive collapse of building is that the collapse of whole building or a part of building in progressive manner thanks to spread of local failure from element to element. thanks to progressive collapse there'll be severe loss of building and lifetime of humanity as progressive collapse happens suddenly. Toavoid the loss got to design a building by proper study and analysis of building for progressive collapse. thanks to earthquake, …
Published in Recent Trends in Civil Engineering & Technology · Vol. 11, Issue 2, 2021 · pp. 13–19 Read article
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DC Power Flow Analysis as a Tool for the Study and Design of Multi-Terminal Electrical Grids
Abstract: The development and deployment of high voltage power electronic apparatus for the support and functioning of optimal operation and management of electrical grid networks is dependent on the progress of high power capacity semiconductor technology that has seen a rising trend over the past few years. These grids have certain different characteristics such as full or partial deregulation of their networks. These characteristics have advanced their application in many HVDC …
Published in Journal of Power Electronics and Power Systems · Vol. 4, Issue 3, 2014 · pp. 1–11 Read article
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Editorial: Advancements in Movement Analysis for Understanding Neurological Disorders
Abstract: Neurological disorders pose a significant challenge, demanding innovative approaches for accurate diagnosis, effective treatment, and deeper understanding. Movement analysis emerges as a powerful tool, offering a quantitative window into the complexities of motor function. This editorial delves into the transformative impact of movement analysis on neurological research and clinical practice. Traditional diagnostic methods, reliant on subjective observations, often miss subtle motor impairments, particularly in early disease stages. Movement analysis tackles …
Published in International Journal of Brain Sciences · Vol. 1, Issue 2, 2024 · pp. 28–32 Read article
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Kinetics of Crystallization and Microstructural Evolution of Commercial Fluorophlogopite Machinable Glass- Ceramics in the System SrO∙4MgO∙Al2O3∙ 6SiO2∙2MgF2 with Varying in B2O3
Abstract: Glass materials based on fluorophlogopite stoichiometry with varying concentrations of B₂O₃ were synthesized using the melt-casting method, followed by heat treatment at different crystallization temperatures. The resulting glass and glass–ceramic samples were characterized using differential thermal analysis (DTA), scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier-transform infrared (FT-IR) spectroscopy. Kinetic analysis revealed that the activation energies required for the formation of glass–ceramics were 192.77 kJ mol⁻¹ and 210.47 kJ …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 3, 2025 · pp. 1–16 Read article
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Comparative Between (LiNbO3) and (LiTaO3) in Detecting Acoustics Microwaves Using Classification
Abstract: AbstractOur work is mainly about detecting acoustics microwaves in the type of BAW (Bulk acoustic waves), where we compared between Lithium Niobate (LiNbO3) and Lithium Tantalate (LiTaO3), during the propagation of acoustic microwaves in a piezoelectric substrate. In this paper, we have used the classification by Probabilistic Neural Network (PNN) as a means of numerical analysis in which we classify all the values of the real part and the imaginary …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 3, 2018 Read article
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Artificial Intelligence based Point of Care Device in Advanced Medical Diagnostic Techniques
Abstract: Application of Point-of-Care Testing (POCT) at medical sites provides instant diagnostic results that help doctors make quick decisions for patient care. The traditional point-of-care testing equipment faces restrictions because they test single parameters and experience calibration problems in addition to inefficient data management systems. POCT technology benefits from the integration of Artificial Intelligence (AI) which creates a novel system to solve current operational limitations. The presented study introduces an intelligent …
Published in International Journal of Biomedical Innovations and Engineering · Vol. 3, Issue 2, 2025 Read article
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Relative Efficiency of Manufacturing Companies in India Using Data Envelopment Analysis
Abstract: Manufacturing holds a key position in the Indian economy, accounting for nearly 16 percent of the real GDP in FY 12 and employing about 12 percent of the country’s labour force. Growth in the sector has been strong, outpacing overall GDP growth since the past few years. For example, while real GDP expanded at a CAGR of 8.4 percent over FY 05–12, growth in the manufacturing sector was marginally higher, …
Published in Journal of Industrial Safety Engineering · Vol. 2, Issue 3, 2015 · pp. 27–33 Read article
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Machine Learning-Based Channel Estimation in 5G, Beyond-5G, and 6G Networks: Recent Advances and Future Directions
Abstract: Accurate channel estimation is one of the most fundamental challenges in modern wireless communication systems. In fifth- generation (5G) New Radio (NR) and emerging sixth-generation (6G) networks, precise knowledge of the wireless channel is essential for achieving reliable data transmission, high spectral efficiency, and low Bit Error Rate (BER). Conventional estimation techniques such as Least Squares (LS) and Minimum Mean Square Error (MMSE) rely on mathematical channel models and predefined …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 13, Issue 2, 2026 Read article
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Aerodynamic Effects of Wind on Multi-Story Structures: A Height- and Terrain-Based Analysis
Abstract: Wind loads are a critical consideration in the structural design of buildings, with direct implications for safety and serviceability. This study investigates the aerodynamic behavior of reinforced cement concrete (RCC) buildings under varying heights and terrain conditions, in accordance with IS: 875 (Part 3): 2015. 12 structural models representing 20 m, 35 m, and 50 m tall buildings were analyzed using extended three-dimensional analysis of building system (ETABS) across four …
Published in Journal of Offshore Structure and Technology · Vol. 12, Issue 3, 2025 · pp. 1–14 Read article
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Privacy Enhancement on Internet of Things Using Differential Privacy Strategies
Abstract: AbstractWith recent developments in communication and data storage technologies, the Internet is gathering and storing an explosive amount of information. While such a large volume of data provides great opportunities for the exploration of knowledge, organizations do not want to share their information for legal or competitive reasons. This raises the problem of information mining while retaining privacy. Current efficient data mining privacy preservation algorithms are focused on the assumption …
Published in Journal Of Network security · Vol. 8, Issue 3, 2020 · pp. 31–37 Read article