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439 articles for “low cost”
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Comprehensive Analysis of Advanced Methods, Materials and Technologies for Portable Water Purifier in Domestic and Industrial Applications
Abstract: Safe drinking water is still a major problem in developing countries, especially in areas with water scarcity, pollution or poor infrastructure. Portable water purifiers have come to the fore as solutions that are realistic to narrow this gap providing flexibility and accessibility in household and industrial environments as well. In this study, promising techniques, materials and technologies used in portable water treatment equipment design have been reviewed. We review important …
Published in Trends in Mechanical Engineering & Technology · Vol. 15, Issue 2, 2025 · pp. 8–19 Read article
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Real-Time Sign Language to Speech Conversion Glove Using Arduino and Wearable Sensors
Abstract: This research work presents the design and development of a low-cost, wearable glove system for real- time sign language to speech conversion. The system employs an Arduino microcontroller integrated with flex sensors and an accelerometer to accurately detect hand gestures. The system translates hand gestures into audible speech through Bluetooth communication, enabling seamless interaction for hearing-impaired individuals. By converting sign language into speech in real-time, it significantly enhances communication accessibility …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 14, Issue 3, 2025 · pp. 10–18 Read article
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IoT Based Home Automation System using ESP8266 & 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 Read article
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Harnessing Microalgae for Wastewater Treatment: Industrial Prospects and Environmental Benefits
Abstract: Simultaneous pollutant removal and biomass valorization has made microalgae an attractive and innovative solution to wastewater treatment, which could be considered a sustainable, low cost, and low energy approach. Considering their ability to store carbon dioxide, resorb nutrients, and produce valuable bioproducts, they represent an alternative with ecological potential to other previously used treatment methods. This review discusses how microalgae are used in industrial applications including biofuels, pharmaceutical, cosmetic, agriculture, …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 15, Issue 2, 2025 Read article
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Earthquake Detection and Monitoring System
Abstract: Earthquakes continue to be one of the major natural hazards affecting human life and infrastructure. The development of affordable monitoring systems is essential for increasing preparedness and reducing the impact of such disasters. This work presents an Earthquake Detection and Monitoring System based on a vibration sensor and Arduino controller. The system continuously observes ground movements and evaluates the detected vibration levels against a predefined threshold. Whenever unusual vibrations are …
Published in Journal of Instrumentation Technology & Innovations · Vol. 16, Issue 2, 2026 Read article
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AL6061/Al2O3-Ash Reinforced Composites: An Experimental and Statistical Study Using Ultrasonic Stir Casting
Abstract: This study presents an experimental investigation on the influence of fly ash particle size on the mechanical properties of aluminum alloy (Al6061) composites fabricated through Ultrasonic Assisted Stir Casting. Fly ash, a low-cost and low-density by-product of thermal power plants, has emerged as an effective reinforcement material due to its excellent fluidity, high filling capability, and ease of processing. It has been increasingly utilized in metal, polymer, and rubber composites …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1123–1133 Read article
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HPV Screening as an Alternative to Pap Smear in Cervical Cancer Prevention: A Comparative Study in North India
Abstract: Cervical cancer remains a leading cause of cancer-related morbidity and mortality among Indian women, especially in low-resource settings. While Pap smear testing has been the standard screening method, HPV DNA testing offers potential advantages in sensitivity, cost-effectiveness, and feasibility for large-scale implementation. This study compares the efficacy, cost, and acceptability of HPV screening versus Pap smears in urban and rural populations of North India. A comparative cohort study was conducted …
Published in International Journal of Women's Health Nursing And Practices · Vol. 3, Issue 2, 2025 · pp. 31–37 Read article
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Development And Examination of a Composite Material Reinforced with Natural Bamboo Fiber
Abstract: This work provides a novel replacement for fiber-reinforced polymers (FRP) by integrating bamboo fibers into an epoxy matrix. Numerous studies are being conducted in this area to reach the intended standard. This composite exhibits a strong resemblance to synthetic fiber-based composites. This is mainly because to the benefits, which include low cost, biodegradable qualities, easy availability, non-toxicity, non-abrasiveness, and light weight. The representation used for the BFRP was a single …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 417–425 Read article
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Electromagnetic and Dielectric Performance of Polymer–Ceramic Composite Substrates for Fractal-Based IoT-Antenna Fabrication
Abstract: Polymer–ceramic composite substrates play a crucial role in determining the electromagnetic performance, mechanical stability, and thermal reliability of radio-frequency devices. In this work, a polymer-based composite substrate is systematically investigated for its suitability in compact IoT and RFID antenna applications. A fractal-structured antenna is employed as a functional test platform to evaluate the dielectric behavior, impedance characteristics, and radiation efficiency of the composite substrate. Novelty of the proposed reader antenna …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1518–1534 Read article
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Bioscouring And Anionization of Waste Cotton Fabric for Efficient Removal of Malachite Green Dye
Abstract: Adsorption is an efficient method for dye removal but the high cost of adsorbents limits its use, emphasizing the need for sustainable, low-cost alternatives. This study explores the usage of modified cotton fabric for the treatment of malachite green (cationic dye) from wastewater. Cellulase extracted from Raphanus sativus and Daucus carota were evaluated for bioscouring potential which was confirmed by scanning electron microscopy. Further, cotton fabric was chemically modified using …
Published in Journal of Water Pollution & Purification Research · Vol. 13, Issue 1, 2026 · pp. 53–68 Read article
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Revolutionizing Soldier Protection: Designing Smart, Lightweight, Safe, and Affordable Bulletproof Jackets for Indian Forces
Abstract: Soldiers in the battlefield need protection as much as possible and one piece of necessary equipment is the bulletproof jackets. But existing technologies in body armor today let go of some factors such as flexibility and cost efficiency, in favor of using enhanced new features. The purpose of this research work lies in the development of a new generation bulletproof jacket for Indian Armed Forces that has four attributes: smart …
Published in Trends in Machine design · Vol. 12, Issue 2, 2025 · pp. 19–32 Read article
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Characterization of Polymer Based Natural Fibre Clay Nano Composites
Abstract: Research on biocomposites is gaining significant attention due to the growing emphasis on sustainable and environmentally friendly materials. Biocomposites offer a promising alternative to traditional synthetic materials, such as plastics, which have environmental concerns like non-biodegradability and pollution. Natural fibers are often more affordable than synthetic materials, potentially leading to cost-effective products. Natural coir and jute biocomposites can be used in various industries, including automotive, construction, packaging, and textiles. Coir …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 398–404 Read article
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An Examination of Energy-Saving Techniques for UAV Communication
Abstract: Unmanned aerial vehicles (UAVs), or drones, have become essential in various industries due to their low deployment costs and exceptional versatility. As a result, they are widely used in industries like mining, agriculture, logistics, and search and rescue. The effectiveness of UAV applications is largely dependent on robust communication technology, which is crucial for control, data transmission, and coordination. However, the limited capacity of the low-power batteries used in UAVs …
Published in International Journal on Drones · Vol. 1, Issue 1, 2025 · pp. 1–7 Read article
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A Comprehensive Study on Rural Housing in India: A Review
Abstract: Rural housing plays a pivotal role in the socio-economic development of India, as it directly influences the quality of life, health, and productivity of rural populations. Despite the launch of several governmental initiatives aimed at addressing rural housing shortages, a substantial segment of the rural population continues to reside in inadequate, unsafe, and non-durable dwellings that lack basic amenities. This paper presents a comprehensive review of the current scenario of …
Published in International Journal of Rural and Regional Development · Vol. 3, Issue 2, 2025 · pp. 30–38 Read article
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Examining the role of banks in financing nuclear power programs for a green economy and clean energy transition
Abstract: Nuclear power programs have the potential to contribute to deep, multi-sector and economy-wide decarbonization as sources of reliable, low emissions intensity thermal and electrical energy. However, nuclear power projects are complex, capital-intensive ventures with significant financial risks associated with them. Therefore, financing has been a critical issue for these projects. To accelerate their deployment to meet clean energy transition targets of nations and institutions, financial institutions like banks can play …
Published in Journal of Nuclear Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 28–39 Read article
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Short Review on Indoor Farming a Future of the Country
Abstract: We are currently confronted with unstoppable tendencies in population growth, water scarcity,urbanization, and ongoing and persistent climatic change. All of these factors lead to dwindling arable land stocks per person. Land resources for agriculture are dwindling, and officials in the country are grappling with issues of sustainability and feeding the country's fast rising population. Exemplified urban vertical farming is the ideal approach for increasing food production in the future. Its …
Published in International Journal of AgroChemistry Read article
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Utilization of Banana Peel Biopolymer as a Natural Coagulant for Wastewater Treatment: A Sustainable Approach to Bio-Composite Applications
Abstract: This study explores an eco-innovative approach to wastewater treatment by utilizing banana peel powder (BPP) as a sustainable, low-cost bio-coagulant. Although effective, conventional chemical coagulants like aluminum sulfate and synthetic polymers are often non-biodegradable, toxic, and economically burdensome, particularly in decentralized or low-resource settings. In contrast, BPP—an agro-waste material rich in bioactive functional groups such as hydroxyl, carboxyl, and phenolic compounds—provides a renewable and environmentally friendly alternative. To enhance its …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 106–115 Read article
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Exploring the viability of DIY mobile robots, a technical and economic perspective.
Abstract: This article is intended for on ramping of novices in mobile robotics and shine a new light on feasibility of home-brew robots. Readers are expected to use this resource as a take-off point from which they will get to know where to look and to what extent, along with some of our own recommendations. The topics covered include but not limited to, hardware selection, firmware programming, feedback control, system design, …
Published in Trends in Mechanical Engineering & Technology · Vol. 16, Issue 2, 2026 Read article
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Transforming Agricultural Waste into Opportunities: Crop Residues for Sustainable Livestock Feeding and Productivity
Abstract: As global agricultural systems strive to meet the growing demand for livestock products while minimizing environmental impact, the sustainable utilization of crop residues has emerged as a key strategy for improving feed resource availability. In Bangladesh and many other developing regions, vast quantities of crop residues are produced annually, yet their potential as a valuable feed resource remains underutilized. This review evaluates the role of crop residues in livestock feeding, …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 13, Issue 3, 2024 · pp. 12–21 Read article
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Advancements in Thermal Performance of Solar Flat Plate Collectors: A Comprehensive Review
Abstract: Over the past couple of years, solar flat plate collectors (FPSCs) have undergone significant improvement regarding their thermal performance. The review evaluates the improvement of materials such as advanced coatings; metals with a high thermal conductivity; and nanostructured additives. New cover technologies, such as polymeric films and anti-reflection coatings, are discussed, as well as novel insulation technologies such as aerogels and vacuum panels. Also of interest are phase-change materials and …
Published in Journal of Thermal Engineering and Applications · Vol. 12, Issue 2, 2025 · pp. 10–14 Read article