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983 articles for “DRA”
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Investigation on the Benefits of Steam Adsorption and Distribution during Cyclic Steam Injection to Improve Oil Recovery - FNE Case Study, Sudan
Abstract: One of the main types of Enhanced Oil Recovery (EOR) methods is thermal stimulation method which is an increasingly common method of extracting heavy oil. there are different forms of the technology of thermal method Cyclic steam stimulation, Steam flooding and In-situ combustion “Fire flooding” are commonly applied to oil reservoirs, which are relatively shallow very viscous oil at the reservoir temperature, the most widely used steam injection methods for …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 1–21 Read article
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Wideband Ring Dielectric Resonator Antenna Using C Shaped Parasitic Elements
Abstract: Abstract: This paper presents a Ring Dielectric Resonator Antenna for wideband applications. Ring DRA is excited by annular shaped microstrip feedline. Bandwidth enhancement is achieved by adding the C-shaped parasitic elements on both sides of ring dielectric resonator antenna and removing the central part of a cylindrical DRA to form ring DRA. The operating frequency of proposed DRA lies between 2.054–6.5 GHz. Gain and Radiation efficiency of this proposed antenna …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 6, Issue 1, 2019 · pp. 32–37 Read article
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Environmental and Sanitation Challenges and Their Role in Malaria Transmission: A Case Study of Duport Road Community, Paynesville City, Liberia
Abstract: Introduction: Environmental sanitation plays a crucial role in controlling malaria transmission, yet several factors continue to impede its effectiveness, particularly in communities with poor waste management and drainage systems. This study explores the factors that hinder proper environmental sanitation and their association with the spread of malaria among residents of Duport Road Community, Paynesville City, Liberia.Methods: A descriptive cross-sectional study was conducted, gathering data from 400 participants—both men and women—between …
Published in International Journal of Tropical Medicines · Vol. 2, Issue 2, 2025 · pp. 24–29 Read article
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Robust Design of Subsonic Airfoil by Multi-Objective Six Sigma Approach
Abstract: It is well known that aerodynamic performance of a UAV is very sensitive to the wing shape and flight conditions, and inevitable uncertainties such as wing manufacturing errors and wind variations may lead to drastic deterioration in its aerodynamic performance. In the UAV wing design, therefore, it is required not to use the conventional design optimization approach considering only optimality of performance at the design point, but to use the …
Published in Journal of Aerospace Engineering & Technology · Vol. 15, Issue 3, 2025 · pp. 14–23 Read article
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Fabrication of AA5182-Semis for Precise Components
Abstract: Al4.5MgMn alloy is known to show an excellent physical and mechanical properties as well as manufacturing and fabrication ease as semis, suitable for making precise components like hull of the light weight vehicles and seamless tubes. Present work has tried to describe the development of microstructure and texture of an industrial tandem hot rolled Al4.5MgMn alloy sheet after laboratory cold rolling and annealing. Crystallographic orientation dependent strengthening rate has been …
Published in Journal of Materials & Metallurgical Engineering · Vol. 11, Issue 3, 2021 · pp. 21–32 Read article
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Thermal Analysis and Computer Aided Exhaust Valve Design Automation Using CREO and Microsoft Excel Spreadsheet
Abstract: 3D modeling has widely been used because of their ease in visualization, understanding andgeneration of manufacturing drawing sheets compared to 2D drafting. 3D Modeling is the timeconsumingprocess and many draftsmen does not have the skill to draw a 3D object inside a CADpackages. Internal combustion engine consists of two type of valves inlet valve and exhaust valve. Thepair of inlet and exhaust valve is called as poppet valves. Exhaust valve …
Published in Trends in Machine design · Vol. 8, Issue 1, 2021 · pp. 26–41 Read article
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Analysis of Virechana Karma with Trivritta Avaleha: A Retrospective Study
Abstract: The Virechana (therapeutic purgation) is one of the popular Panchakarma procedures which has been performed to maintain the health and treat various ailments such as constipation, skin diseases, menstrual disorders etc. The ancient classical texts have described the procedure of Virechana Karma in detail, but, it becomes practically difficult to perform the Virechana Karma as the drugs mentioned for Virechana Karma in the classical texts are either not available in …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 10, Issue 3, 2021 · pp. 1–6 Read article
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A Comparative Clinical Evaluation of Snigdha Guna of Shatavari and Yashtimadhu with Special Reference to Twak Rukshata
Abstract: Context: Ayurveda is not simply a knowledge related to herbs, but the concept is like “Lock & Key mechanism”. To have a pinpointed activity one should have deep knowledge of such concepts. These concepts are expressed in the form of Rasa, Guna, Veerya, etc. Among those, Gunas are important for function of any action. Hence, this research work has been carried out to study deep assessment of Gunas in drugs …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 11, Issue 1, 2022 · pp. 6–17 Read article
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Review and Critical Analysis of Bandantha Nagarjuna’s Rasa Vaisheshika Sutra
Abstract: Aim: To do literary review of the book Rasa vaisheshikha sutra and critically analyse its contents with works published after Rasa vaisheshika. Background: Nighantu’s are the treatise that contain a collection of paryaya with guna karma of dravya and their basic concepts. Rasa vaisheshika is one such Nighantu which belongs to the ancient period and elaborately explains the basic concepts of Dravyaguna vigyana (study of medicinal drugs, their properties, actions …
Published in Research and Reviews : A Journal of Ayurvedic Science, Yoga and Naturopathy · Vol. 8, Issue 3, 2021 · pp. 38–47 Read article
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Design And Analysis of Connecting Rod Against The Variations In Geometrical Parameters
Abstract: This scrutiny has been analyzed for two case studies which is aimed by geometrical variations in connecting rod design. The geometries of both studies is prepared from the theoretically calculated data. The base geometry of connecting rod is designed with I-section for beam portion, as per the standard machine design procedure and theoretically calculated parameters. And that particular I-section`s design factor has formed roots of our both case studies. The …
Published in Journal of Automobile Engineering and Applications · Vol. 8, Issue 2, 2021 · pp. 27–48 Read article
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Advanced Mathematical Modelling of Nanoscale Semiconductor Devices for Low-Power Microelectronic Applications
Abstract: With the ongoing scaling down of semiconductor devices, there is an increasing need for accurate mathematical models of electrostatic control, carrier transport, leakage current, and power consumption at the nanometer scale. As the sizes of semiconductors continue to decrease, there is a growing need for accurate mathematical models of electrostatic control, carrier transport, leakage current, and power consumption at the nanometer scale. In this work, a common mathematical modelling approach …
Published in Journal of Microelectronics and Solid State Devices · Vol. 13, Issue 2, 2026 Read article
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Integration of IoT and Robotics for Smart Industrial Waste Management: Design and Implementation of an Automated Collection System
Abstract: All types of drainage issues are resolved by the Automatic Industrial Hazardous and Waste Collecting Machine. Washing, which also encourages blockage-free drains and a constant flow of drain water. Sewage water needs to be separated in the present period due to sufficient sewage to maintain environmental cleanliness. Both humans and the environment are severely harmed by the garbage and pollutants generated by industry and the areas around cities. Using auto …
Published in International Journal of Advanced Control and System Engineering · Vol. 1, Issue 1, 2023 · pp. 26–34 Read article
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Artificial Intelligence Based Portable Robot Device for Autonomous Venepuncture
Abstract: Venepuncture is a source of medical hurt and is necessary for a wide range of therapeutic procedures. Venpuncture-related complications worsen in difficult settings, where the success rate is largely dependent on the physiology of the patient and the skill of the practitioner. It is difficult to find the vein for infants, adolescent girls, obese and elderly people and it is causing severe pain in the traditional manual blood drawing system. …
Published in International Journal of Advanced Robotics and Automation Technology · Vol. 2, Issue 1, 2024 · pp. 35–38 Read article
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A Review of Runoff Strategies in Developed and Developing Countries: Using Polymer Materials for Stormwater Management
Abstract: Urban hydrology is essential to the system used to manage urban runoff. Stormwater drainage in metropolitan areas has become a problem as a result of rapid urbanization, the depletion of vegetation, deteriorating drainage infrastructure, and climate change. The natural hydrological cycle is impacted by urbanization by raising peak flows and reducing lag times. Urban areas experience more floods as a result, while the environment suffers as a result of accelerated …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 974–984 Read article
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Aerodynamic Analysis of Foliage Stimulated Airfoil Design for Enhanced Strength with Carbon Fibre-reinforced Polymer
Abstract: Ever since the beginning of aviation, there has been an unwavering desire to improve airfoil design in order to improve aircraft performance. This insatiable desire for improvement has driven innumerable aerodynamicists to create a diverse range of revolutionary airfoils. This research investigates a revolutionary method to airfoil design, inspired by the complicated structures and aerodynamic qualities of natural leaves. Using biomimicry, the project seeks to increase the performance and efficiency …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 560–616 Read article
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Automated Systems for Efficient Medical Stores
Abstract: Medication plays a crucial role in today’s world, and with technological advancements, automation has become essential to save time and effort. One such innovation is “Medical Store Automation”, an automated system designed to enhance healthcare management. This system incorporates an automatic drawer-opening or cabinet system integrated with stock inventory. Its primary objective is to locate the desired medicine quickly by automatically opening the corresponding drawer, minimizing time spent searching. This …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 12, Issue 2, 2025 · pp. 13–20 Read article
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Evaluation and Study of The chemical Pollution Ratio of Dams Water in Najaf Governorate and The surrounding Environments
Abstract: The importance of water and the urgent need for a clean environment free from pollutants has drawn our attention and focused in this study on estimating and evaluating ionic pollutants of elements (iron, chromium, lead, manganese) in the water of dams in Najaf Governorate and the surrounding areas. The study included four dams, namely ()Al-Mushkhab Dam, Al-Hindiya Dam, Shatt Al-Kufa, and Umm Abbasiyat Dam)( to determine the percentage of pollution …
Published in Emerging Trends in Chemical Engineering · Vol. 12, Issue 3, 2025 Read article
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IoT-Based Manhole Detection and Monitoring System
Abstract: Urban drainage systems face numerous challenges, including blockages, harmful gas accumulation, and flooding, which pose risks to public safety and environmental health. This project introduces an IoT-enabled solution designed to monitor and address these issues efficiently. The system incorporates sensors to detect critical parameters such as gas levels, temperature, water presence, and nearby obstacles. A unique lifting mechanism ensures the hardware adapts to challenging conditions, maintaining uninterrupted operation. The system …
Published in Journal of Remote Sensing & GIS · Vol. 16, Issue 3, 2025 · pp. 1–6 Read article
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An Efficient Vision-Based Algorithm for Hand Pose Estimation and Cursor Control
Abstract: Conventional input devices like the keyboard and mouse are no longer necessary because gestures are becoming more popular as the most natural way to interact with computers. This project has demonstrated a novel real-time system that lets users control their computer cursors using simple hand gestures. The system facilitates an easy operation for us in terms of the use of a cursor by using techniques and hand mark detections. The …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 13, Issue 1, 2026 · pp. 24–35 Read article
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Hydrodynamic Analysis of Symmetrical Naca Airfoils: A CFD Simulation Approach
Abstract: This study presents a comprehensive numerical investigation of the hydrodynamic characteristics of selected NACA airfoil profiles using advanced computational fluid dynamics (CFD) simulations performed in ANSYS Fluent. The primary objective is to evaluate the fluid–structure interaction behavior of these airfoils when subjected to marine flow conditions relevant to offshore and submerged engineering applications. By modeling the interaction between incompressible fluid flow and various NACA geometries, the study systematically analyzes key …
Published in Journal of Offshore Structure and Technology · Vol. 13, Issue 1, 2026 · pp. 31–38 Read article