Search
1257 articles for “mechanisms of EL”
-
Design and Testing On Automatic Fire Suppression System in Tunnel Fires
Abstract: During recent times we have read articles of tunnel are getting fired up due to heat or any other reason. Similarly after accident many a times there are chances that a car may set of to hazardous and death or injury causing fire explosions. Thus we may understand that now a days, one of the serious problem in automobile are engine fire. There is no such mechanism as if now …
Published in Journal of Mechatronics and Automation · Vol. 6, Issue 1, 2019 · pp. 18–22 Read article
-
Alternating Inertia-Based Virtual Synchronous Machine Control for Improved Frequency Regulation of Energy Storage Systems
Abstract: The rapid integration of renewable energy sources (RESs), particularly solar photovoltaic and wind energy systems, has significantly increased the penetration of power electronic converter-based distributed generators (DGs) in modern power systems. While these technologies provide substantial environmental, economic, and sustainability benefits, their widespread deployment has introduced new operational challenges. One of the major concerns is the reduction of system inertia and damping due to the replacement of conventional synchronous generators …
Published in Journal of Power Electronics and Power Systems · Vol. 16, Issue 2, 2026 Read article
-
Gear-Related Stress Analysis and Comparison Between the Fem and Agma Standards
Abstract: In many different devices, gears enable the efficient transfer of motion and torque. They are an essential component of modern mechanical power transmission systems. It has been demonstrated that bending and surface contact stresses at the gear tooth are the primary causes of gear failure, despite their widespread use. Too much stress can lead to tooth wear, pitting, or breakage, which can ultimately reduce the operating life and reliability of …
Published in Trends in Mechanical Engineering & Technology · Vol. 15, Issue 3, 2025 · pp. 13–18 Read article
-
Effect of Formaldehyde Treatment on the Barrier and Mechanical Properties of Oat Protein Films
Abstract: Oat protein 5% with 40% glycerol as a plasticizer was used to prepare edible films, and formaldehyde was chemically added to the film's solution at four concentrations. The films' barrier and mechanical properties were then investigated. The films were characterized by being medium transparency, homogeneous, odorless, and with a thickness ranging between 0.12 and 0.15 mm. It was also observed that the water vapor permeability decreased whenever the concentration of …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 1–8 Read article
-
Implementing Smart Voting Systems: Challenges and Opportunities
Abstract: This article offers a detailed explanation of the process for creating an innovative electronic voting system that utilizes the flexibility and efficiency of the Raspberry Pi. This method aims to improve voting security, transparency, and user-friendliness by employing digital technology and a mechanism called the Voter Verified Paper Audit Trail (VVPAT). The proposed system comprises several components, including a Raspberry Pi for control, candidate selection buttons, a camera for voter …
Published in Journal of Microelectronics and Solid State Devices · Vol. 11, Issue 2, 2024 Read article
-
Development and Mechanical Characterization of Polymer based Bio Composite Filaments for FDM Applications
Abstract: Additive Manufacturing (AM) is an advanced fabrication process capable of producing complex and intricate components to meet diverse industrial and customer demands. For small-scale producers and researchers, FDM is the most straightforward, affordable, and easily accessible of the several AM processes. The majority of conventional polymer feedstocks used in FDM lack sufficient mechanical strength and thermal stability, which limits their use in load-bearing or structural components. This effort aims to …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 743–751 Read article
-
Design and Performance Evaluation of PLA-based Umbrella Wheels for Stair-Climbing Robotic Applications
Abstract: Staircase climbing robots require a complex design capable of navigating various stair configurations. A crucial component of such robots is the wheel mechanism. This paper focuses on the umbrella wheel mechanism and its application in staircase climbing robots. In this study, a PLA–based umbrella wheel structure is developed and fabricated using fused deposition modeling (FDM) for application in stair-climbing robots. The umbrella wheel geometry enables transformation from a circular rolling …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 808–824 Read article
-
Prediction of Mechanical Properties for Advanced Engineering Applications utilizing Polymer Composite Materials by Machine Learning
Abstract: Polymer composites show great promise as engineering materials because of their mechanical performance, resistance to corrosion, lightweight nature, and adaptability in design. Aerospace, automotive, biomedical, maritime, and civil engineers all rely on mechanical property prediction to cut down on trial expenses, expedite product development, and optimize material selection. Speedy design optimization is not possible using traditional numerical and experimental methods due to the high costs associated with material characterisation, computational …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 1258–1284 Read article
-
Progressive Developments in Cold Metal Transfer Welding Technique: A Review and Trends
Abstract: This comprehensive review paper examines the Cold Metal Transfer (CMT) welding process and its wide- ranging applications across various industries. With a focus on elucidating the fundamental principles, process characteristics, and recent advancements, the paper offers a comprehensive overview of CMT welding's versatility and effectiveness. The review delves into the intricate mechanics of the CMT welding process, highlighting its unique metal transfer modes like CMT-P, CMT advanced, CMT pulse rose, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 235–245 Read article
-
Improving the Mechanical and Interfacial Properties of Bhendi Fiber via Chemical Surface Treatments
Abstract: Because of its primary benefits—moderate strength and stiffness, low cost, and being a renewable, degradable, and ecologically friendly material—natural fibers are believed to have potential use as reinforcing agents in polymer composite materials. Due to their inherent hydrophilicity, they have a tendency to retain moisture, which can impair or soften the fibers' adhesion to the surrounding matrix. This can have an impact on the performance of composite materials used in …
Published in International Journal of Advance in Molecular Engineering · Vol. 3, Issue 1, 2025 · pp. 22–32 Read article
-
High-Performance Biodegradable Films from Bamboo Derived Cellulose Nanofibers and Silk Fibroin: Engineering Sustainable Polymer Composites
Abstract: This research presents the advancement of biodegradable composite films from cellulose nanofibers (CNFs) extracted from bamboo and silk fibroin (SF) derived from Bombyx mori cocoons. CNF/SF composites were fabricated in three different compositions—CS10, CS30, and CS50—via aqueous blending and solution casting, followed by ethanol-induced β-sheet stabilization. Mechanical testing confirmed a considerable enhancement in tensile strength from 72 MPa (CS10) to 112 MPa (CS50), while Young’s modulus improved from 2.4 GPa …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 256–265 Read article
-
A Sol-Gel Approach for the Fabrication of Zinc Oxide Nanoparticles and Their Nanocomposite with Urea Formaldehyde (UF)
Abstract: In the performed work, zinc oxide nanoparticles were synthesized via the sol-gel method using zinc sulphate as the precursor material. Urea-formaldehyde (UF) resin was employed as a polymer matrix to encapsulate the produced ZnO through an acid-catalyzed polymerization process. This encapsulation aimed to improve the dispersion stability and surface reactivity of ZnO within the polymeric medium. The synthesized materials were subjected to comprehensive characterization using Fourier Transform Infrared Spectroscopy (FT-IR), …
Published in International Journal of Crystalline Materials · Vol. 2, Issue 2, 2025 · pp. 21–27 Read article
-
Contribution of Dalak (Massage) in the Treatment of Waja-uz-Zohar (Back Pain): A Review
Abstract: Classical Unani literature presents a detailed understanding of Waja-ul-Mafasil (diseases of bones and joints) among which Waja-uz-Zohar (low back pain) has received extensive attention. Distinguished Unani physicians meticulously described its etiology, clinical features, complications, and treatment modalities. According to Unani theory Waja-uz-Zohar is defined as pain originating from the muscles, ligaments, and connective tissues surrounding the lumbar and lumbosacral regions. Prominent scholars, such as Ibn Sina and Zakariya Razi, attributed …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 13, Issue 1, 2026 · pp. 1–6 Read article
-
Unraveling Mixed Ionic-Electronic Conduction in Lithium-Substituted Rubidium Tetra Titanates via Dielectric Spectroscopy and EPR Analysis
Abstract: Lithium-substituted Rubidium Tetra Titanates with varying concentrations of lithium carbonate (Li₂CO₃) — specifically 0.01, 0.05, and 0.1 molar percentages — were successfully synthesized using a conventional high-temperature solid-state reaction method. The resulting compounds follow the general chemical formula Rb₂₋ₓLiₓTi₄O₉. X-ray diffraction (XRD) analysis confirmed that lithium ions were successfully incorporated into the crystal lattice without disrupting the fundamental layered structure of the host material. The crystal system remained monoclinic across …
Published in Research & Reviews : Journal of Physics · Vol. 14, Issue 2, 2025 · pp. 19–29 Read article
-
Human Powered Washing Machine
Abstract: AbstractThe power generated by pedaling is the transformation of energy which utilizes the human efforts to drive the wheel. It is a very common form of energy used in various types of applications like transportation for a long time ago. Altogether this form of energy can be utilized in various aspects. This study mainly focuses on the pedal-powered washing mechanism. The basics of this machine depend on the Principle of …
Published in Journal of Instrumentation Technology & Innovations · Vol. 10, Issue 2, 2020 · pp. 13–18 Read article
-
Study and Analysis of Polymer / Composite Thermal Insulation Material and Comfort Based Building Simulation with Applicability of Evaporative Cooling
Abstract: In India, about 35% of India's electrical energy is absorbed by buildings. Of this, the significant consumption is for the cooling purpose in building. Passive cooling systems, by comparison consume considerably less energy than mechanical cooling systems. Therefore, it is very important to understand the applicability of the passive cooling system by conducting comfort-based simulation of building as well as an examination of the influence of thermal insulation composed of …
Published in Journal of Polymer & Composites · Vol. 9, Issue 2, 2021 · pp. 21–29 Read article
-
Multifunctional Corn Husk Fibre/PLA–PBAT Hybrid Composites with Carbon-Black Percolation for Structural Self-Sensing Applications
Abstract: This study developed multifunctional polymer composites based on a PLA/PBAT (Polylactic Acid/ Poly(butylene adipate-co-terephthalate)) thermoplastic matrix reinforced with 20 wt.% corn husk fibre (CHF) and functionalized with conductive carbon black (CB) for smart consumer-electronics casings. Alkali treatment modified the lignocellulosic fibre surface, improving fibre–matrix interfacial adhesion and stress transfer within the polymer composite. Thermal characterization showed that the PLA cold-crystallization temperature decreased from 112.5 °C for the unfilled blend to …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article
-
Finite Element Analysis of Spur Gear Manufactured of Al7475-SiC Composites
Abstract: The spur gear is used in power transmission systems in industrial and automotive sectors. But sometimes, these gears have problems with their teeth due to excessive stress and wear. Some gears don't work as well, so in the present work better material is used to make them work well. Composite materials, which is known for their optimal strength-to-weight ratio and weight reduction benefits. So, these materials are considered substitutes for …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 279–284 Read article
-
Using Machine Learning to Guess Photochemical Reaction Pathways
Abstract: Photochemical reactions are crucial to many activities in the fields of energy conversion, environmental cleanup, and synthetic chemistry. However, predicting their causes and results effectively is still very hard since they entail excited electronic states, nonadiabatic transitions, and complicated potential energy surfaces. Machine learning (ML) has been a powerful technique to go along with classic quantum chemistry methods in the last few years. It offers better prediction capability and lower …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 3, Issue 2, 2025 · pp. 01–12 Read article
-
Comparative Evaluation of Hibiscus Cannabinus and Solanum Trilobatum Extracts as Inhibitors for C- Steel Corrosion protection in Acidic Medium
Abstract: This study analyzed the efficacy of various inhibitors in safeguarding carbon steel against corrosion in hydrochloric acid. The compounds that were subjected to testing included Acalypha indica root extract (AIRE), Hibiscus cannabinus (HC), and Solanum trilobatum (ST) leaf extracts. The investigation focused on the inhibitory efficacy through the application of gravimetric and electrochemical impedance methods. GC-MS and FTIR were employed to investigate the features of the inhibitors and co-inhibitors. Tafel …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 555–565 Read article