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13 articles for “Active water circulation”
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Thermal Performance Enhancement Strategies for a Compact Solar PV-Powered Concentrating Water Heating System Through Integrated Collector Design
Abstract: Solar water heating systems have emerged as one of the most promising renewable energy technologies for reducing dependence on conventional fossil fuels and electricity-based water heating. However, the thermal performance of compact solar water heaters is often limited by inadequate solar absorption, poor heat transfer, and thermal losses within the collector assembly. This study presents a theoretical investigation of thermal performance enhancement strategies incorporated into a compact solar photovoltaic (PV)-powered …
Published in International Journal of Energy and Thermal Applications · Vol. 4, Issue 2, 2026 Read article
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Control System for Heat Generation in a Hybrid PV/T System
Abstract: The study analyzes the performance of a PV/T unit with a PCM attached to the rear side of the PV panel in direct contact. The unit works removing heat from the panel and using this heat for external applications. The PCM has a heat exchanger inserted to transfer heat removed from the PV panel and stored in the PCM to a water flow that circulates through the heat exchanger. The …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 13, Issue 1, 2023 · pp. 1–16 Read article
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Holistic integrated approach of designing a satellite town: Introducing theories of environmental parameters like pollution free, circular economy and sustainability
Abstract: Urban regions are quite challenging to restore the quality of environment at the global level as well as posing serious threat to climatic changes. This fact is demonstrated on the grounds that around 70% of the carbon footprint is contributed from the urban sector. The authors of the present study have attempted to design a satellite town of population 50,000, partly to dilute the population density of main urban town …
Published in International Journal of Architectural Design and Planning · Vol. 3, Issue 1, 2025 · pp. 24–41 Read article
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Comparative Study of RC Elevated Water Tank
Abstract: Designing a water tank requires a good approximation of water demands which is depends on the estimation of population growth rate and design life of the tank and the per capita water consumption rate. Due to rapid increase in urbanization, development activities and enormous need by the public the rate of water consumption increasing day by day. It would difficult task to supply the water directly from the source, it …
Published in Journal of Structural Engineering and Management · Vol. 10, Issue 3, 2023 · pp. 12–19 Read article
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Wastewater Treatment Techniques, Quality Monitoring, and Compliance with Regulatory Standards in Nigeria
Abstract: Innovative wastewater treatment techniques, recycling systems, circular economy, and quality monitoring and enforcement of regulatory standards are vital for sustainable urban water development. This study offers a thorough analysis and review of the literature on wastewater treatment methods in Nigeria, spanning from traditional approaches to cutting-edge technologies like membrane bioreactors, trickling filters, activated sludge systems, anaerobic digesters, and constructed wetlands. It also investigates deeper into the existing quality monitoring systems, …
Published in Journal of Water Pollution & Purification Research · Vol. 13, Issue 2, 2026 · pp. 23–35 Read article
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Preparation and evaluation of Herbal cosmetic
Abstract: In this investigation herbal cosmetics namely Liquorice cold cream and Catechu shampoo were prepared and evaluated. This investigation for herbal cosmetics was done for reducing toxicity for long term use in skin effectively using various herbal ingredients prepared in the laboratory such as tulsi extract, catechu extract, liquorice extract, and clove water. Liquorice cold cream provides numerous skincare benefits , thanks to liquorice extract's properties: It hydrates and nourishes dry …
Published in Recent Trends in Cosmetics · Vol. 1, Issue 2, 2024 · pp. 26–43 Read article
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Determination of Well Loss and Aquifer Loss of New Construction Deep Water Well at Artesian Aquifer in Khulna City, Bangladesh
Abstract: This work studied the performance of water well installed as artesian aquifer in South Western Region of Bangladesh. The main activities were known to the properties of aquifer condition on that area. Well performance was also measured after development of water well. The well performance and aquifer performance were justified by Rorabaugh’s graphical methods. The total depth of drilling was 305 m from the ground level. Drilling was completed by …
Published in Recent Trends in Civil Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 8–13 Read article
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Red Earth Development of a Soil-Based Composite Using Bagasse Ash and Lime: Effects on Plasticity and Compaction Characteristics of Red Earth
Abstract: The concept of sustainable soil composites (SSC) emerges through blending red earth with bagasse ash (BA) and hydrated lime to enhance geotechnical properties and enable productive reuse of agro-industrial waste. Red earth functions as the matrix, BA acts as a fine pozzolanic microfiller, and lime serves as the chemical binder. BA content ranges from 0% to 60%, with 10% identified as optimal; subsequent lime additions from 1% to 5% evaluate …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1147–1158 Read article
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Bio-Inspired Nanostructured Catalysts for CO2 Valorization: Green Chemistry Approaches in Polymer Nanocomposites for Sustainable Energy Solutions
Abstract: Artificial photosynthesis is a pioneering technology inspired by natural photosynthetic processes, offering a sustainable solution to address global energy crises and mitigate environmental impact. By harnessing solar energy, artificial photosynthesis aims to convert carbon dioxide (CO₂) and water into high-energy chemicals, such as methanol and hydrogen, while concurrently reducing harmful greenhouse gas emissions. This innovative process represents a transformative shift toward carbon-neutral or even carbon-negative energy production, helping reduce dependency …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 38–46 Read article
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Hydrothermal Carbonization (HTC) Technology for Tire Pyrolysis: A Comprehensive Review
Abstract: Hydrothermal Carbonization (HTC) is an innovative technology that is mimics of natural coal formation processes to convert wet biomass into valuable carbon-rich materials known as "biochar." This process involves subjecting organic matter, like agricultural waste, food residues, or sewage sludge, under high-pressure & moderate-temperature conditions (around 180-250°C & 2-4 MPa) in presence of water. HTC technology accelerates process of the dehydration & carbonization of biomass, thus producing a solid product …
Published in Journal of Petroleum Engineering & Technology · Vol. 15, Issue 3, 2025 · pp. 16–21 Read article
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Revitalizing São Cristóvão: Integrating Industry, Commerce, and Community for a Sustainable Urban Future
Abstract: This paper introduces a comprehensive framework for the sustainable regeneration of São Cristóvão, a historically industrial district in Rio de Janeiro, South America, which presently demonstrates significant urban deterioration, socio-economic instability, and increasing environmental hazards. Through an interdisciplinary methodology integrating spatial analysis, ethnographic profiling, environmental assessment, and stakeholder engagement, the study develops a phased master plan aimed at transforming the neighborhood into a resilient, inclusive, and economically diverse urban environment. …
Published in International Journal of Urban Design and Development · Vol. 4, Issue 1, 2026 · pp. 58–68 Read article
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Development of a Natural Fiber Sand–Carbon Composite Filter Using Agave sisalana for Sustainable Domestic Sewage Treatment
Abstract: This study presents an innovative approach to decentralized domestic sewage treatment by integrating Agave sisalana fibers as the core functional component within a composite filtration system. The filtration column was constructed using a vertical 1:3:1 layered configuration comprising silica sand (top), Agave sisalana fibers (middle), and activated carbon (bottom). Comprehensive experimental analyses were conducted to evaluate the system’s efficacy in removing key water quality parameters, including turbidity, total solids (TS), …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 43–51 Read article
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Machine-Learning-Assisted Development of Polymer-Biochar Composite Adsorbents for the Removal of Heavy Metals from Gomti River Water
Abstract: Rapid urbanization, industrial discharge, and agricultural runoff pose a significant threat to freshwater sustainability and public health. Within these ecosystems, polymer pollutants—such as microplastics, nanoplastics, synthetic fibres, and additive residues—have emerged as persistent vectors capable of adsorbing and transporting toxic heavy metals. Because these polymeric contaminants dynamically interact with conventional aquatic parameters to alter pollutant mobility and ecological risk profiles, there is an urgent need to transition from passive environmental …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 72–95 Read article