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1057 articles for “Operational research”
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Additive Manufacturing of Rocket Propulsion System: A Review
Abstract: In recent years plenty of research is going on to produce effective manufacturing techniques which can produce complex unique designs with reduced cost and lead time for aerospace applications. In this aspect, Additive manufacturing is getting a wide range of popularity in the aerospace manufacturing domain due to its vast applications and advantages. In terms of geometric flexibility and processing time, additive manufacturing outperforms conventional manufacturing processes. Additive manufacturing has …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 4, 2022 · pp. 1–9 Read article
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Enhancing the User Experience of Asthma Inhalers: A Redesign Approach
Abstract: Asthma is a widespread chronic respiratory condition impacting millions globally, presenting significant challenges in its management and treatment. While conventional inhalers effectively administer medication, they often encounter usability issues, hindering patient adherence and treatment outcomes. This abstract delineates the development and potential impact of a redesigned asthma inhaler aimed at addressing these challenges. Incorporating human-centered design principles, the revamped inhaler prioritizes usability, portability, and effectiveness to enhance the overall management …
Published in International Journal of Solid State Innovations & Research · Vol. 1, Issue 2, 2023 · pp. 32–36 Read article
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Integrated Computational and Bio-catalytic Transformations: DFT-Guided Mechanistic Insights, Machine Learning, and Nano-biocatalyst Engineering for Sustainable Catalysis
Abstract: Computational catalysis has emerged as a transformative scientific discipline that integrates quantum chemistry, molecular modeling, machine learning, and density functional theory (DFT) to understand catalytic mechanisms and design highly efficient catalytic systems for sustainable industrial applications. The increasing global demand for environmentally responsible chemical manufacturing has accelerated research on advanced catalytic materials including transition metal catalysts, metal–organic frameworks (MOFs), homogeneous catalysts, heterogeneous systems, and bimetallic catalysts involving nickel and iron. …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 2, 2026 · pp. 36–44 Read article
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The Relevance of Green University Concept on Students’ Enrollment Decision for Higher Education: The Role of Circular and Green Polymer Science
Abstract: Students today increasingly evaluate the commitment of higher education institutions to sustainability and environmental stewardship when making enrollment decisions. As prospective students research colleges and universities, they meticulously assess each institution's environmental policies, initiatives, and programs. This focus on sustainability reflects a broader trend of rising environmental awareness among young people, who often prioritize their values in their educational choices. The present study uniquely examines how the concept of a …
Published in Journal of Polymer & Composites · Vol. 12, Issue 7, 2024 · pp. 47–53 Read article
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Percentage Changes According to Pathological Finding of Gastric Cancer from H. pylori Infections
Abstract: Helicobacter pylori accounts for more than half of the world population in the pathogenesis of gastric cancer. The incidence of gastric cancer among patients with H. pylori infection is 2.7–6 times more than normal. Recently, it has been a worldwide trend to verify the existence of H. pylori using endoscope among all the patients with complaints of digestive abnormality and then introduce anti-cancer therapy with antibacterial therapy from an early …
Published in Research and Reviews: A Journal of Medicine · Vol. 9, Issue 3, 2019 · pp. 5–9 Read article
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IoT-Based Home Automation System Using ESP8266 and Google Assistant
Abstract: This research paper discusses a smart home automation system When the Internet of Things is implemented, a simple house can be converted into a smart home with better automation and security. This paper aims to create a voice/text- controlled home application that will help users control their appliances remotely. Switching appliances ON or OFF as per their requirements by just sending text SMS instructions or voice commands. Even if the …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 14, Issue 1, 2025 · pp. 33–39 Read article
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Enhancement of Horizontal Jet Impingement Heat Transfer Analysis on Vertical Flat Plate
Abstract: This research investigates the heat transfer characteristics and heat flux distribution associated with parallel jet impingement on a vertical flat plate. A comprehensive computational fluid dynamics (CFD) analysis is carried out and systematically validated against available experimental data to ensure the accuracy and reliability of the numerical model. The jet length is maintained constant at 12 mm, while the jet-to-plate separation distance is varied at 6, 12, 18, and 24 …
Published in Journal of Experimental & Applied Mechanics · Vol. 17, Issue 1, 2026 · pp. 65–80 Read article
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Treatment of Femoral Neck Fractures with Biplane Double-Supported Screw Fixation Using Aiming Device
Abstract: Background/Purpose: Different surgical methods including internal fixation by either cannulated screws or a sliding hip screw device with a short plate, and total hip replacement have been proposed to treat the femoral neck fractures. The purpose of this study was to evaluate the clinical and functional outcomes of patients with femoral neck fractures treated with biplane double-supported screw fixation (BDSF) using an aiming device at an average follow-up of 3 …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 9, Issue 3, 2020 · pp. 51–56 Read article
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Sol-Gel Auto-Combustion Synthesis and LPG Sensing Performance of Mg(x) Fe(x-1)2O4 (X=0.1 to 0.9) Nanoparticles
Abstract: Spinal ferrites are having important electronic materials because of their electrical and magnetic properties. MgFe2O4 gas sensors have important parameters such as phase formation, crystallite size, particle size, grain size, surface area etc. The present work provides comprehensive study of the mesoporous Mg(x)Fe(x-1)2O4 nanoparticles which were synthesized via sol-gel auto-combustion method. The main objective of the current research is to study the influence by increasing the concentration of ferrite with …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 19, Issue 1, 2017 · pp. 48–58 Read article
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Critical Review on Design, Fabrication and Analysis of Marine Propeller
Abstract: Ships and automated underwater vehicles like submarine and torpedoes use propeller for propulsion. The significance of propellers is to develop thrust to propel the vehicle at its operational speed. The propeller geometry and design is complicated involving many controlling parameters. Propeller with canonical isotropic materials creates more vibration and noise during their operation which is undesirable in stealth point of view. The present work is aimed at the static and …
Published in Trends in Machine design · Vol. 4, Issue 2, 2017 · pp. 1–14 Read article
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Computational and Molecular Aspects of DNA Profiling in Forensic and Biomedical Sciences
Abstract: DNA profiling has changed many diverse modern sectors, from health and criminal justice to ancestry research and animal conservation. It is one of the most important scientific instruments of our time. This technique makes it possible to identify people, analyze family relationships, and learn more about biology by looking at unique genetic markers in a person’s DNA. DNA profiling has changed the way forensic science works by making it easier …
Published in Research & Reviews: A Journal of Bioinformatics · Vol. 13, Issue 1, 2026 · pp. 14–18 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 Emergency Response Plans in Industrial Environments Using Simulation Techniques
Abstract: Industrial facilities, particularly those in the chemical, manufacturing, and energy sectors, face significant hazards due to their complex operations and the handling of hazardous materials. Ensuring the safety of workers and minimizing the impact of incidents require robust and effective emergency response plans (ERPs). Traditional evaluation methods, such as drills and tabletop exercises, often fall short in replicating the complexities of real-world emergencies. These methods may lack the realism needed …
Published in Journal of Industrial Safety Engineering · Vol. 11, Issue 3, 2024 · pp. 6–10 Read article
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Initial Diversion in Hirschsprung’s Disease: Loop versus End Colostomy. Does it Make a Difference?
Abstract: Background: Staged surgery for Hirschsprung’s disease involving initial stoma formation with biopsies to find the level of aganglionosis and subsequent pull-through procedure like Duhamel’s Pull through is the most recommended management protocol at several institutions. The nature of stoma, whether loop or end, often determines the patient’s morbidity in this approach and would also have a say in the duration and ease at the time of definitive pull-through procedure. Aims …
Published in Research and Reviews : Journal of Surgery · Vol. 8, Issue 3, 2019 · pp. 4–8 Read article
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Recent research trends in Bioethanol production – An Indian context
Abstract: Biofuels production is indeed a research hotspot. Prevention is better than cure. A paradigm shift from fossil based to bio-based fuels gives health, wealth and happiness. Among various biofuels, after biodiesel, bioethanol is next to and close to commercialization. The use of bioethanol is countries like Brazil and US is a success story. In India there is significant progress taking place in the transportation sector to use bioethanol as fuel …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 16, Issue 2, 2026 Read article
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Enhancing Cybercrime Detection Through Big Data Analytics: A Conceptual Framework
Abstract: The growing complexity of cybercrime reduction and prevention difficulties necessitates a different approach to dealing with the massive amounts of data involved. The issues of reducing and preventing cybercrime are becoming more complex as cybercrime becomes ingrained in our daily lives. When it comes to showcasing the original division of criminal activities, traditional police operations typically fall short, which means they contribute less to the right deployment of police resources. …
Published in Journal Of Network security · Vol. 11, Issue 2, 2023 · pp. 1–11 Read article
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Development of Slip Power Recovery Scheme sing Buck-Boost Chopper for Performance enhancement of Wound Rotor IM Drive
Abstract: This paper presents the mathematical modeling and testing of wound rotor induction motor drive (WRIMD) to develop the slip power recovery scheme (SPRS) using buck-boost chopper control techniques improving the performance of drive. The main focus of this research work is on the understanding of methodological development of Simulink model of SPRS. Various mathematical equations describing performance characteristics of WRIMD using SPRS with buck-boost chopper are derived. The performance parameters …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 2, 2022 · pp. 44–63 Read article
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Vision Sense Rover
Abstract: This paper presents the design and implementation of an autonomous obstacle-avoiding robotic system utilizing an Arduino Uno microcontroller, an ultrasonic distance measurement module, a servo-based scanning mechanism, an L298N motor driver module, and an ESP32-CAM for real-time visual monitoring. The proposed system is developed to operate without human intervention, using sensor- driven decision making for navigation. The ultrasonic sensor continuously measures the distance to adjacent obstacles, while the servo motor …
Published in Journal of Microcontroller Engineering and Applications · Vol. 13, Issue 1, 2026 · pp. 38–43 Read article
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Leeching on Post-Haemorrhoidectomy Bulged Perianal Masses
Abstract: Haemorrhoids (Bawaseer) are dilatations of the anal and perianal venous plexuses affecting about 5% of general population and they are rarely encountered in person aged less than 30 years and occurs in both sexes between 45-65years. The word haemorrhoid is coined from Greek word haima = blood, and rhoos = flowing; and thus, Hippocrates described it as “the flow of blood from the vein of anus”. Various operative options are …
Published in Research and Reviews : Journal of Surgery · Vol. 7, Issue 1, 2018 · pp. 10–13 Read article
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Advances in Polymer-Modified Concrete using XAI
Abstract: Industry 4.0 technologies are being quickly adopted by the construction sector, opening new avenues for enduring operational and environmental issues. This sector looks at how explainable AI can forecast air and enhance the quality of building materials. XAI, AI, ML, and big data drive a new paradigm in polymeric material development. The effective XAI and ML-assisted design creates innovative, high-performance polymeric materials. It covers building a database and representing structures, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 133–144 Read article