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785 articles for “Operational research”
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Investigation of Performance Characteristics of Shell and Tube Heat Exchanger Using Helical Baffles with Parallel Flow and Counter Flow Arrangements
Abstract: AbstractShell and tube heat exchangers are widely used in process industries and refineries owing to ease of manufacturing and versatile operations. The designer always focuses on improvement in performance characteristics of STHX, based on the given heat duty and geometrical constraints. Several researchers and investigators have suggested various methods for performance optimization of shell and tube heat exchangers. In the present work, experimental investigation is performed using helical baffles in …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 14–19 Read article
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Transforming Healthcare Through Big Data: Applications, Challenges, and Future Perspectives
Abstract: Healthcare institutions produce substantial amounts of information through electronic health records, laboratory systems, medical imaging technologies, patient monitoring devices, and various digital healthcare platforms. Managing and interpreting these continuously growing datasets through conventional approaches can be difficult and time-consuming. Big Data technologies offer advanced methods for storing, processing, and analyzing healthcare information efficiently, enabling healthcare professionals to obtain valuable insights for clinical and administrative purposes. This review explores the growing …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 15, Issue 2, 2026 · pp. 1–9 Read article
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A Review on Load Sharing Control between Wind Energy & Diesel Generator
Abstract: The foundation of any research work is the literature survey. This is based upon the study and field work done by researches. A number of research papers have been published that explains different control strategies for load sharing between two systems. The present survey is about the load sharing between wind turbine system and diesel generator. In this paper, a review of wind- diesel load sharing algorithm was added to …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 12, Issue 2, 2021 · pp. 47–59 Read article
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Production of Oil from Agro Seeds using Mechanothermal Extraction: A Review of Chemical, Pharmaceutical, and Food Applications
Abstract: The increasing demand for sustainable raw materials and renewable industrial resources has intensified research into the extraction of oils from agro seeds for chemical, pharmaceutical, and food applications. Agro-seed oils are valuable due to their biodegradability, nutritional composition, eco-friendliness, and wide industrial applicability. This review examines the production of oil from agro seeds using mechanothermal extraction techniques with emphasis on extraction efficiency, physicochemical characteristics, and industrial utilization. Mechanothermal extraction combines …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 2, 2026 · pp. 09–26 Read article
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A Review Study on CPU-Optimized Parameter-Efficient Fine-Tuning for Large Language Models to Increase Accuracy Using LoRA
Abstract: The fast proliferation of large language models (LLMs) has increased the need to optimize the process of fine-tuning, but the existing workflows that require a graphics processing unit (GPU) are still expensive, intensive, and unavailable to most researchers. This paper is driven by the desire to have a more cost-efficient and democratized version by examining a CPU-efficient implementation of parameter-efficient fine-tuning (PEFT) based on low-rank adaptation (LoRA). The major purpose …
Published in Recent Trends in Parallel Computing · Vol. 13, Issue 1, 2026 · pp. 32–38 Read article
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Evaluation of UAV Spaying System for Droplet Size and Droplet Density Using Rotary Centrifugal Nozzles Boom
Abstract: India is the largest producer of mango (Mangifera indica L.) in the world, ranking first in both area and production. In the Konkan region, mango is the major fruit crop, with 1.10 lakh hectares of productive area dedicated to mango cultivation, resulting in an annual production of 2.6 lakh metric tons. Spraying is the most important operation in orchard crops. The newly developed spraying system was evaluated in the laboratory …
Published in Trends in Mechanical Engineering & Technology · Vol. 14, Issue 3, 2024 Read article
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A Survey on Intrusion Detection in Wireless Sensor Network
Abstract: The Wireless Sensor Networks (WSNs) consist of sensor and vehicle infrastructure deployed either on land or in the sea over a selected acoustic field. Such networks are launched in the execution of joint tasks that include monitoring the environmental conditions and collecting measured data. WSNs operate based on an interactive communication among different nodes and ground stations, which provides for real-time data transmission and analysis. This research work gives a …
Published in Journal Of Network security · Vol. 13, Issue 2, 2025 · pp. 51–56 Read article
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Exploration of Advanced Phase Change Materials for Thermal Energy Storage in Renewable Energy Systems: An Overview
Abstract: Phase Change Materials (PCMs) are increasingly vital for improving thermal energy storage (TES) systems. Their ability to absorb and release heat efficiently makes them ideal for renewable energy applications, enhancing energy efficiency, reducing waste, and supporting sustainable energy solutions across various sectors like solar power and building temperature regulation. Their ability to store and release latent heat during phase transitions makes them ideal for addressing the intermittency of renewable energy …
Published in Journal of Thermal Engineering and Applications · Vol. 12, Issue 3, 2025 · pp. 10–14 Read article
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Continuous Commissioning Techniques for Ground Source Heat Pumps: Review
Abstract: This study offers a model-based continuous commissioning methodology to find control-related performance gaps in HVAC systems with ground-source heat pumps. Traditional continuous commissioning is still helpful in finding energy performance gaps, even if MBCCx employs a system model as a reference to find operational inefficiencies and control issues arising from subsystem integration. A calibrated physics-based model that depicts the system performance as intended during the design phase forms the basis …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 3, 2025 · pp. 22–36 Read article
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A study on Bridging Chemical Transformation and Climate Feedbacks in the Earth System
Abstract: The atmosphere operates as a vast and complex chemical reactor, where minute-scale transformations exert profound influence on planetary-scale climate stability. This research investigates the multi-scale coupling between reactive tropospheric chemistry and large-scale climate feedbacks, challenging traditional modeling approaches that often divorce chemical kinetics from dynamic processes. By integrating high-resolution chemical transport models (CTMs) with comprehensive Earth System Models (ESMs), we map the flow of energy and matter from the molecular …
Published in International Journal of Climate Conditions · Vol. 2, Issue 2, 2025 · pp. 1–8 Read article
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Design, Fabrication and Testing of Excavate Machine for Multipurpose Applications
Abstract: The research work of square hole digger is based on civil construction and agriculture applications. One of the main challenges faced in the construction industry is to dig a square hole for laying pillar beams. The current systems and methods used for digging purpose are not achieving correct dimensions. The main challenge in the construction site was to dig a square hole for pillar beams with correct dimensions, and also …
Published in Trends in Machine design · Vol. 6, Issue 3, 2019 · pp. 13–17 Read article
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Advancements and Challenges in Automated Guided Vehicles for Smart Industrial Automation
Abstract: Automated Guided Vehicles (AGVs) are increasingly central to modern industrial automation, enhancing operational efficiency in manufacturing, warehousing, and logistics. Traditionally reliant on fixed paths using magnetic tapes or wired tracks, AGVs were limited in flexibility. However, recent technological advances have enabled the development of autonomous AGVs equipped with sensor fusion, LiDAR, computer vision, and artificial intelligence (AI). These features support real-time obstacle detection, dynamic path planning, and robust performance in …
Published in International Journal of Advanced Robotics and Automation Technology · Vol. 4, Issue 1, 2026 · pp. 1–5 Read article
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Process Variable Optimization and Experimental Review of Aero-engine Blade using ECM
Abstract: AbstractProcess of blade in (EMC) can be effected by numerous factors, e.g., shape of blade, electrolytic liquid field and anodic dissolution, ECM parameters may result in affections on blade accuracy. Some aero-engine blade as research object, five main process parameters, voltage, machining gap, feed rate, temperature of working fluid and pressure variation of electrolyte inlet/outlet, are evaluated and optimized as per BP neural network Method. From 3125 possible operating parameter …
Published in Recent Trends in Sensor Research & Technology · Vol. 5, Issue 3, 2018 · pp. 27–32 Read article
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Neuromorphic Spiking Neural Networks and Event-Driven Hardware: Architectures, Learning Paradigms, and Experimental Realizations
Abstract: With the current computational boom the research community is seeking for more sustainable energy efficient i.e. biologically inspired models of conventional Artificial Neural Networks (ANNs). Spiking Neural Networks (SNNs) known as the third generation of neural network models, provide a revolutionary approach by mimicking the asynchronized event-driven and temporally accurate signaling of the mammalian brain. Whereas conventional deep learning models operate with real-valued activations and dense matrix multiplications, SNNs use …
Published in Current Trends in Signal Processing · Vol. 16, Issue 2, 2026 · pp. 39–46 Read article
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Exploring the World of Operating Systems: Uncovering the Hidden Symphony
Abstract: This journal explores the fundamental ideas, features, and various applications of operating systems (OS), offering an in-depth look at this interesting field. It gives a clear picture of the OS acting as the invisible conductor, arranging the complex symphony of memory, hardware, and apps that drive our digital world. The described roles encompass resource management, process management, memory management, file management, device management, security management, and user interface management, which …
Published in Journal of Operating Systems Development & Trends · Vol. 11, Issue 1, 2024 · pp. 24–28 Read article
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Inhibition of Quorum Sensing to Mitigate the Risks of Membrane Biofouling in Biological Wastewater Treatment
Abstract: Membrane-based systems play a pivotal role in various applications, providing efficient separation, purification, and filtration processes across diverse industries such as water purification and desalination. However, this system faces major challenge of membrane biofouling impacting the efficiency and sustainability of such systems. Biofouling occurs when various microorganisms like bacteria, fungi, etc. adheres to the surface of membrane and form biofilm which results in reducing membrane permeability and increasing its operational …
Published in Research & Reviews : Journal of Ecology · Vol. 13, Issue 1, 2024 · pp. 18–26 Read article
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Design, Functionality and Applications of Water Chiller Variant
Abstract: This research paper provides a thorough examination of water chillers, focusing on their design, functionality, and diverse applications. By analysing different types of chillers, their operational mechanisms, and specific uses across industries, this study aims to enhance understanding and offer insights into the selection and implementation of water chillers in various setting. Alternative Water Chiller Panels are employed in cooling systems to regulate the water chiller's functioning. Actuators, temperature sensors, …
Published in Recent Trends in Fluid Mechanics · Vol. 11, Issue 3, 2024 · pp. 30–36 Read article
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SUSTAINABLE MEMBRANE FABRICATION USING GREEN CHEMISTRY PRINCIPLES: A COMPREHENSIVE REVIEW OF MICROWAVE IRRADIATION, SONOCHEMICAL, AND CONTINUOUS FLOW METHODOLOGIES
Abstract: Membrane-based separation technologies have emerged as indispensable tools in water purification, biomedical engineering, pharmaceutical processing, and environmental protection. However, conventional membrane fabrication processes often rely on hazardous organic solvents, energy– intensive steps, and environmentally taxing conditions. In response to increasing global emphasis on sustainability and regulatory pressures, green chemistry strategies have gained attention for enabling safer, energy-efficient, and eco-friendly membrane production. This review provides a comprehensive and structured analysis of …
Published in International Journal of Membranes · Vol. 3, Issue 1, 2026 · pp. 8–24 Read article
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PLC Based Smart Car Parking Barrier System
Abstract: This research paper presents an innovation of PLC-based smart car parking barrier system that is intended to improve parking management and security in urban areas. To effectively control the space efficiently & enhance the reliability of the parking system. PLCs (programmable logic controllers) are the foundation of the system, and sensors are connected to enable automated vehicle entry and exit. In this case, the up and down mechanism of barriers …
Published in Journal of Control & Instrumentation · Vol. 17, Issue 1, 2026 · pp. 34–38 Read article
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Advances in Energy Systems and Solid State Electronics
Abstract: Solid state technology has become a game changer in the field of modern electronics and energy systems providing faster, safer and more energy efficient solutions for several industries. The performance and dependability of electronic systems have been considerably improved by recent advances in solid state materials, semiconductor devices, and energy storage technologies. Progress in solid-state batteries, wide-bandgap semiconductors, and next-generation integrated circuits is transforming applications in electric vehicles, renewable energy …
Published in International Journal of Solid State Innovations & Research · Vol. 4, Issue 1, 2026 Read article