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955 articles for “DRA”
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Design and investigational study of drawability by varying blank holding force of rectangular drawn component
Abstract: The process of design and manufacturing of draw die has been carried out for rectangular shaped drawn component having thickness 1 mm of mild steel sheet has been utilized for blank material. In first phase, designed an inverted draw tool using CAD software Unigraphics NX which served the purpose of double action in a single stroke. The values of cutting force, FEA, blank holding force, tonnage of press and clearance …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 3, 2018 · pp. 1–9 Read article
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Analysis of Vehciles Body Automobile to Study Drag Characteristics
Abstract: Today’s most hot selling cars on the market are sedan. Thus, people have more expectations at the semidrange budget cars. These expectations could be achieved by increasing the car performance such asfuel economy, aesthetics and speed and reducing the drag force which is applied on it. Fuel economyand speed could be easily achieved by decreasing the drag coefficient and drag forces. Drag plays oneof the major roles in fuel economy …
Published in Journal of Experimental & Applied Mechanics · Vol. 13, Issue 1, 2022 · pp. 10–18 Read article
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Research Paper On Simulating Air Flow Over An Automobile To Examine Drag Properties
Abstract: Hatchbacks are currently the best-selling vehicles on the market. Consequently, they are expecting more from these medium cheap cars. These expectations might be met by improving the car's performance in terms of fuel efficiency, looks, and speed, as well as lowering the drag force that is applied to it. By lowering the drag coefficient and drag forces, it would be simple to increase speed and fuel efficiency. Drag is one …
Published in Recent Trends in Fluid Mechanics · Vol. 9, Issue 2, 2022 · pp. 35–49 Read article
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Studies on the Variations of Drain Current in Gallium Nitride based High Electron Mobility Transistors
Abstract: AbstractIn this work, total 2477 individual simulation outputs are reported. Variations in drain current with respect to the electrical parameters (drain voltage and gate voltage) and structural parameters of high electron mobility transistors (HEMTs) have been studied. The drain current is higher corresponding to larger aluminium mole fraction. This study will be useful to fabricate the HEMT based biomedical sensors.Keywords: Drain current, drain voltage, gate voltage, high electron mobility transistorCite …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 1, 2018 · pp. 13–24 Read article
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A Review study on Deep Drawing Analysis of Sheet Metal with Different Materials
Abstract: Deep drawing is one of the maximum vital processes for forming metal steel components.It is widely used for mass manufacturing of cup shapes in car, aerospace and packaging industries. In deep drawing metallic sheet is subjected to high punch stress which causes deformation of material, throughout deformation stresses are generated in numerous zones, which leads to numerous defects. The most important failure modes in sheet metallic elements are wrinkling and …
Published in Journal of Automobile Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 47–53 Read article
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Numerical Studies on Deep Drawability of the Aluminium Alloy, AA6082 and Parameters Affecting It
Abstract: Deep drawing is a metal forming operation used for manufacturing sheet-metal components for application in the automobile, aerospace, and packaging industries. The objective of the present work was to study the various parameters influencing the drawability of AA6082. The deep-drawing process was modeled and simulated in Ls-Dyna Pre-Post(R) V4.6.17 software. The tensile test was performed according to the ASTM-E8M standard on AA6082-T6 material and subsequently annealed to attain higher ductility. …
Published in Journal of Polymer & Composites Read article
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Improved Marine Wind Farm Layout
Abstract: This work proposes a new marine wind farm layout. The new configuration is based on the hybridization of alternating lift-force and drag-force wind turbines. Lift-force wind turbines are characterized by a high output power and large dimensions, while drag-force wind turbines have moderate power output and reduced size. The proposed layout inserts the drag-force turbines in the free space the lift-force turbines leave, using the turbulent wind to generate power …
Published in Journal of Offshore Structure and Technology · Vol. 11, Issue 1, 2024 · pp. 1–12 Read article
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A Computational Study of Lift and Drag Characteristics for NACA 4415 and NACA 2412 Aerofoils
Abstract: The performance of an aerofoil is crucial in designing wind turbine blades, aircraft wings, and other aerodynamic surfaces. This project presents a comparative analysis of two widely used aerofoil profiles, NACA 4415 and NACA 2412, to study their lift and drag characteristics under different flow regimes. The aerofoil geometries were developed using the NACA four-digit notation and modeled in ANSYS Design Modeler. Numerical simulations were conducted in ANSYS Fluent for …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1298–1315 Read article
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Optimizing Die Corner Radius of Deep Drawing Die
Abstract: The process of deep drawing plays a vital role in the production process of different parts in various process environments. Even though there is lot of variations in the production of parts during deep drawing with conventional processes to the latest automations in the manufacturing. There is a need to develop different die designs by varying input processes parameters for the deep drawing process in an optimum manner. The objective …
Published in Journal of Mechatronics and Automation · Vol. 1, Issue 2, 2014 · pp. 22–32 Read article
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Reliability Analysis of a Dragline for Productivity Improvement – A Case Study
Abstract: Productivity of dragline is affected by its availability, reliability, and maintainability. The failure of components of dragline leads to the failure of dragline system. Effective maintenance planning can prevent these unwanted failures in the capital-intensive draglines and can improve its productivity. This paper discusses the possible causes for failure of various components of dragline and possible ways for improvement of performance of dragline so as to reduce its downtime. In …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 1, 2018 · pp. 62–69 Read article
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Hidden Gems of Dragon Fruit: Its Role in Pharmacognosy and Therapeutics
Abstract: The Cactaceae family includes the medicinal plant Hylocereus spp., also known as dragon fruit. The skin’s unique morphology, which reflects the body’s oval form, is characteristic of dragon fruit. Dry conditions are ideal for dragon fruit growth. Dragon fruit, also known as pitaya, is a fantastic functional food that has attracted attention recently due to its numerous therapeutic benefits, including antioxidant, anti-cancer, anti-diabetic, anti-microbial, hepatoprotective, and anti-hyperlipidemic properties. It also …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 12, Issue 1, 2025 · pp. 92–101 Read article
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Power Analysis Comparison of Gated Diode Dram Cell Design on 32 nm Technology
Abstract: In this paper power consumption of Gated diode DRAM (Dynamic Random Access Memory) cells are carried out. This analysis is carried out on 32 nm scale. The DRAM cell used here are 3T1D and 2T1D DRAM cell. Static, total average and transient power for both types of cells are simulated in order to have a comparison of their performance on the same technology. A comparative study of different types of …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 1, 2015 · pp. 19–23 Read article
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Fabrication of Solar-powered Drainage Cleaning Machine
Abstract: According to sources, 80% of solid trash in India is dumped in drainage systems, rivers, lakes, and other bodies of water. This is a significant problem. The primary function of the automatic drainage system is to transfer solid waste to the trash can, where it is disposed of, and to collect it using claws.In drainage water, there are empty bottles, polythene bags, papers, and other solid detritus. The drainage system …
Published in Trends in Machine design · Vol. 10, Issue 1, 2023 · pp. 45–52 Read article
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Evaluate the effectiveness of nurse led interventions on knowledge and practice regarding nursing care of chest tube drainage among nursing personnel’s working at medical and surgical wards of PGIMS Rohtak Haryana
Abstract: Introduction: The present study was conducted to determine the nursing personnel’s level of knowledge and practice the care of chest tube drainage to improve the quality of nursing care. A chest tube insertion is surgical procedure in which a hollow, flexible drainage tube is inserted through the side of the chest into the plural space in order to drain the plural cavity air, blood, pus or lymph. The water seal …
Published in Research and Reviews: A Journal of Health Professions · Vol. 13, Issue 3, 2023 · pp. 84–90 Read article
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Enhancing Profanity Detection in Dravidian Languages: Leveraging Language Models for Optimization and Improvement
Abstract: Detecting and documenting instances of abusive behaviour can significantly improve the quality of virtual environments. Given the vast amount of content published daily on social media, it is impractical for human annotators to manually identify potentially harmful content. Recent algorithmic initiatives, especially on platforms like Twitter, have advanced in abuse detection. However, for Dravidian texts, there remains a need to understand the context better and build robust language models for …
Published in Recent Trends in Programming languages · Vol. 11, Issue 2, 2024 · pp. 17–23 Read article
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Studies on the DC Characteristics of Nanoelectronic Single-Heterojunction GaN based HEMTs with AlGaN Layer of 22 nm
Abstract: AbstractIn this work, total 2367 individual simulation-outputs are reported. We have studied the drain characteristics in AlGaN/GaN high electron mobility transistors (HEMTs) having the AlGaN thickness of 22 nm. According to this study, the drain current increases with drain voltage. Also, the drain current increases with gate voltage. The drain current is observed as higher at larger aluminium mole fraction. Also, the drain current is higher at larger doping concentration. …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 1, 2018 · pp. 1–12 Read article
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Few Aspects in Deep Drawing Process
Abstract: The process in which a punch forces a flat sheet metal blank into a die cavity is known as deep drawing. Deep Drawing (DD) is one of the sheet metal forming processes widely used in automobile, aerospace, electronics and allied industries to produce the hollow parts. Presently, the conventional deep drawing (CDD) operation is carried out at room temperature in industries. Although, CDD provides a great potential application for the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 3, 2015 · pp. 31–35 Read article
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Simulation Studies on the Drain Characteristics of Microelectronic AlGaN/GaN HEMTs Corresponding to the 30 nm of AlGaN Nano-Layer
Abstract: AbstractIn this work, the simulation studies are performed on high electron mobility transistor (HEMT) structures using the SILVACO-ATLAS software tool. The drain characteristics of HEMT structures is investigated with respect to the Aluminium mole fraction, drain voltage, gate voltage, and gate length at 30 nm thickness of AlGaN nano-layer. The simulation studies on the effect of gate length to control the drain characteristics are a novelty of this work. The …
Published in Journal of Semiconductor Devices and Circuits · Vol. 4, Issue 1, 2017 · pp. 8–16 Read article
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A Descriptive Study to Identify the Factors Leading to Brain Drain Among Nurses Working in a Selected Private Hospital at Kunnumkulam, Thrissur District
Abstract: Introduction: Brain drain, also known as human capital flight, refers to the emigration of skilled and talented individuals to foreign nations or regions. This situation arises when people who pursue education abroad opt not to return to their home country but instead choose to establish themselves there. Additionally, individuals who study in their local area may move to foreign countries in search of increased income and improved prospects. Kerala has …
Published in Journal of Nursing Science & Practice · Vol. 13, Issue 3, 2023 · pp. 26–32 Read article
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Analysis of new Floating Offshore Wind Turbine under drag force operation
Abstract: The goal of this paper is the study and analysis of a new type of floating offshore wind turbine (FOWT), which operates under drag force instead of lifting force as the conventional FOWT. We simulate the wind turbine operation modifying the pitch angle to faithfully reproduce the behavior when submitted to waves’ movement. The analysis of the wind turbine performance is developed in a model at laboratory scale to control …
Published in Journal of Offshore Structure and Technology · Vol. 11, Issue 1, 2024 · pp. 1–10 Read article