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1059 articles for “Operational research”
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Experimental Investigations on the Effects of Channel Aspect Ratio and Surface Wettability to Control the Surface-Driven Capillary Flow of Water in Straight PMMA Microchannels
Abstract: AbstractTotal 214 individual straight polymethylmethacrylate (PMMA) microchannels have been fabricated by the maskless lithography, hot embossing lithography, direct bonding technique, and atmospheric pressure air dielectric barrier discharge (DBD) plasma processing. The experimental investigations on the effects of structural properties (channel aspect ratios) and physical properties (surface wettability, capillary pressure and kinetic energy) on the surface-driven capillary flow of dyed water in straight PMMA microchannels is a novel approach in this …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 3, 2016 · pp. 1–12 Read article
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Management of Uterine Sarcomas - Current Concepts and Controversies
Abstract: Uterine sarcomas are a group of relatively rare malignancies with heterologous clinical behavior. Because of its rarity, there is dearth of randomized trials and hence there are no standard recommendations as how to manage these cases. Carcinosarcomas are now a separate entity and is managed similar to high grade endometrial carcinoma, since the sarcomatous element is proven to be of endometrial origin. Now, the major variants are leomyosarcoma (LMS), endometrial …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 4, Issue 3, 2015 · pp. 19–26 Read article
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A Comparative Financial Performance Assessment of Select FMCG Companies in India: Evidence from HUL and Britannia Industries
Abstract: This study takes a close look at the financial performance of two major players in India’s FMCG sector: Hindustan Unilever Limited (HUL) and Britannia Industries Limited (BIL). It covers the period from FY 2022–23 to FY 2024–25, with a focus on how each company manages its finances, grows its business, and keeps profits up in a market that’s always competitive. The analysis relies on secondary data from published annual reports …
Published in Journal of Production Research & Management · Vol. 16, Issue 1, 2026 · pp. 51–67 Read article
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Design and Simulation of FIR Filter using VHDL
Abstract: Digital Signal Processing (DSP) has gained great popularity in the recent years. DSP is used in the field of communication, medicine and entertainment. Earlier the digital signals use is expensive in the communication devices. DSP makes use of the digital filters in the communication equipment. The basic building block of the digital filter-adder, coefficient multipliers and delays. Digital filter can be implemented efficiently by selecting an efficient representation for filter …
Published in Journal of Communication Engineering & Systems · Vol. 8, Issue 1, 2018 · pp. 19–28 Read article
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Implementation of a 4-Bit Synchronous Counter in SkyWater 130 nm CMOS Technology Using Open-Source EDA Tools
Abstract: As semiconductor technology continues to scale down, the physical layout of integrated circuits has become increasingly critical in determining performance, power consumption, and area efficiency. This paper presents the complete physical design implementation of a 4-bit counter, from Register Transfer Level (RTL) to GDSII, using the SkyWater 130 nm open-source Process Design Kit (PDK) and the OpenLane automated physical design flow. Functional verification of the RTL design was initially performed …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 4, Issue 2, 2026 Read article
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Use of Geopolymers for Environmental Sustainability
Abstract: Geopolymers are a rapidly growing matter with enormous potential for improving environmental sustainability in the construction sector. This study highlights the use of geopolymers as eco-friendly alternatives to traditional building materials, with special emphasis on their role in reducing the environmental effect of construction operations. It also focuses on the chemical composition, mechanical characteristics, environmental sustainability, etc. of geopolymers, along with their benefits over conventional materials such as portland cement. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 35–43 Read article
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Tackling Water Hardness: Understanding the Issue for Sustainable Development
Abstract: Hard water poses a serious threat to human health and industrial operations. The pervasiveness of water hardness, characterized by elevated concentrations of calcium and magnesium ions, originates from seepage and runoff from soils, as well as polyvalent metallic ions from sedimentary rocks. These minerals, while essential in moderate amounts, can become problematic when consumed in excess. Epidemiological studies have established correlations between excessive consumption of calcium and magnesium and increased …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 2, 2025 · pp. 73–79 Read article
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Bluetooth-Based Remote-Controlled Home Automation System for 1 Load
Abstract: The evolution of wireless technology has catalyzed the integration of wireless based automation into various aspects of human life, notably impacting home environments. Home automation, characterized by the incorporation of technology facilitating the automatic control of devices and systems, has emerged as a significant contributor to modern living standards. This technological paradigm shift not only enhances the convenience and comfort of everyday life for the general populace but also serves …
Published in Recent Trends in Electronics Communication Systems · Vol. 10, Issue 2, 2023 · pp. 43–48 Read article
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Motors Using a Deep Learning-Based Torque Control with Torque Ripple Reduction under Nonlinear Magnetic Conditions
Abstract: This research discusses a deep learning strategy for torque management to minimize the effect of torque ripple in a nonlinear electric motor. Nonlinear electric motor losses may include: magnetic saturation, harmonic flux losses and inverter losses. In many cases when the system parameters deviate and/or instability issues occur, the traditional method with a model-based approach or PI control may encounter challenges. In this case, the authors proposed a hybrid approach …
Published in International Journal of Advanced Control and System Engineering · Vol. 4, Issue 2, 2026 Read article
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Bond Behavior of Reinforced Concrete using Artificial Sand with Quarry Dust as Fine Aggregate
Abstract: Reinforced concrete (RC) is most widely used material in the construction industry. Normally natural sand is used as fine aggregate in the production of conventional concrete. Natural sand is obtained from the river bed through mining operation. To fulfill the requirement of construction industry excessive mining of sand from river bed has been carried out. It is causing threat to the natural environment. Hence, Indian government has led down restrictions …
Published in Journal of Geotechnical Engineering · Vol. 3, Issue 1, 2016 · pp. 44–50 Read article
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A Review Paper on Cooperative Spectrum Sensing (CSS) Techniques for Cognitive Radio Applications:
Abstract: Cognitive radio is the best solution for the spectrum scarcity and spectrum underutilization problem in wireless communication system, because of its ability to rapidly and automatically adapt operating parameters as per requirements and conditions. In this paper, a literature review of cooperative spectrum sensing techniques for cognitive radio is presented. In Cognitive radio, spectrum sensing is the main function which prevents the interference with the Primary Users (PU) and identifies …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 1, Issue 1, 2014 · pp. 16–24 Read article
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Techno-economic Assessment of a Domestic Refrigerator with Aluminium-based Suction Line and Capillary Tube
Abstract: The present work reports the experimental performance evaluation of aluminum suction line-based domestic refrigerators. Furthermore, it compared domestic refrigerators with conventional copper capillary tubes and suction lines using R600a as a refrigerant. Performance parameters: energy consumption, ice-making time, and pull-down time was reduced significantly compared to conventional copper suction and capillary tube. Refrigerants having Ambient temperature for ice making test and pull down were initially set at 43°C and that …
Published in Journal of Polymer & Composites Read article
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Conceptual Study on Kukkutanda Pinda Sweda: A Review Article
Abstract: Swedana is a procedure that is most commonly used as Poorva-Karma (pre-operative) before any Panchakarma therapy. Swedana relieves from stiffness, heaviness, and coldness in the body. After Swedana, the body starts sweating and gives the feeling of lightness in the body. It can be performed by various methods. Pinda Sweda is based on the principle of Sankara Sweda. In this procedure, the materials are tied in a cloth and used …
Published in Research and Reviews: A Journal of Health Professions · Vol. 10, Issue 3, 2020 · pp. 14–18 Read article
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A Review on the Intelligent Schemes for Automatic Generation Control in Modern Power System
Abstract: AbstractAutomatic generation control (AGC) is one of the important control problems in the design and operation of interconnected power system, and is gaining popularity today due to the growing size, varying structure, upcoming renewable energy sources and new uncertainties, and complexity of power systems. AGC system requires increased intelligence and flexibility to guarantee balance between load and generation. The modern AGC systems surely must be intelligent, and should be capable …
Published in Journal of Advancements in Robotics · Vol. 4, Issue 3, 2017 · pp. 1–4 Read article
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Restructuring of Sanitation Structures: Reviewing Technological Changes
Abstract: This paper comprehensively reviews the latest technological advancements in rural sanitation systems, focusing on developing urinals and toilets. In many rural areas, improper toilet waste disposal directly into water bodies has led to environmental contamination. In addressing this issue, biological processes are used to degrade fecal matter. However, contemporary challenges include bacterial infections from unhygienic toilets, persistent foul odors, and poorly designed toilet pans. Additionally, more community engagement is needed …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 67–80 Read article
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A Review on Data Structure
Abstract: AbstractThroughout the years, PC researchers have concentrated on a wide range of information structures for speaking and controlling information inside computer’s main and secondary memory. Methods for speaking and proficiently controlling information are vital to numerous PC programs. These examinations have appeared, both in practice and in theory, that the selection of information structures frequently considerably affects algorithmic execution. This paper addresses this issue by dissecting space effective geometric information …
Published in Journal of Operating Systems Development & Trends · Vol. 4, Issue 1, 2017 · pp. 24–27 Read article
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Maximization of Spectrum Efficiency Using PSO, HPSO-GA Algorithms for Cognitive Radio
Abstract: A cognitive radio (CR) is an intelligent radio that can be programmed and configured dynamically. Its transceiver is designed to use the best wireless channels in its vicinity. Such a radio automatically detects available channels in wireless spectrum by the process of spectrum sensing, then accordingly changes its transmission or reception parameters to allow more concurrent wireless communications in a given spectrum band at one location. This paper discusses the …
Published in Recent Trends in Sensor Research & Technology · Vol. 3, Issue 2, 2016 · pp. 19–28 Read article
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Guardian of the Sky: Drone Detection and Jamming Technology
Abstract: India has reported remarkable growth in drones in the past ten years for both commercial and defense uses that led to extremely intricate problems. Systems operate as the major onset of the risks involved that might be associated with drone operations. This article provides a comprehensive evaluation of counter-drone systems, with a particular focus on two fundamental aspects: radar targeting, tracking, and other technologies. The main objective of the study …
Published in Journal of Advancements in Robotics · Vol. 11, Issue 2, 2024 · pp. 19–25 Read article
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Chemical Patents and Filing Practices in India: Trends, Processes, and Legal Framework
Abstract: India, recognized as the fifth-largest global economy, holds the 7th position in the chemical sector and ranks 11th in chemical and petrochemical exports worldwide. Despite this significant standing, the country witnesses comparatively fewer patent applications in this domain. The global chemical and petrochemical industry, although complex in nature, serves as a critical element of economic development and supply chain operations. This paper explores the interconnectedness of innovation, patents, and chemical …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 163–171 Read article
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Real Time Alcohol Detection with Accident Prevention System Using Arduino
Abstract: The aim of our research work is to present a project designed to make human driving safer and to significantly reduce road accidents caused by drunk driving. This project integrates an MQ3 alcohol sensor with an Arduino-based system using the ATmega328 processor, which offers enhanced functionality compared to conventional microcontrollers. The MQ3 sensor is capable of detecting alcohol content in a person’s breath and has a sensitivity range of approximately …
Published in Journal of Instrumentation Technology & Innovations · Vol. 15, Issue 3, 2025 · pp. 19–26 Read article