Search
65 articles for “Energy and Heat Transfer”
-
Enhancing Energy Efficiency in HVAC Systems: A Comprehensive Study of EC+ Fans, VFDs, and AI Integration
Abstract: This research paper explores the integration of EC+ fans with Variable Frequency Drives (VFDs) and Permanent Magnet (PM) motors to enhance energy efficiency and operational performance in heating, ventilation, and air conditioning (HVAC) systems. An extensive energy audit was conducted at the BidP plant in Bangalore, focusing on air handling units (AHUs) in Hangar 101. The audit revealed substantial variations in fan efficiency, secondary fan performance, power consumption, and airflow …
Published in Trends in Machine design · Vol. 11, Issue 3, 2024 · pp. 44–54 Read article
-
Thermal and Morphological Characterization of Rice Starch–Charcoal Composites for Eco-Friendly Engineering Applications
Abstract: This work focuses on the development and evaluation of rice starch–charcoal–based composite materials to overcome the limitations of natural composites with low thermal properties. In order to examine the impact of filler concentration on thermal and structural performance, eight composite specimens were created by altering the ratios of rice starch and charcoal. TGA, DTA, AFM, SEM, and measurements of thermal conductivity and effusivity were used to thoroughly characterize the composites. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1286–1297 Read article
-
Quasar: Quantum-Accelerated Sustainable Anomaly Recognition in Climate Systems
Abstract: Accurate detection of climate anomalies is vital for disaster alleviation and policy making in a sustainable manner, but customary detection methods face the challenges of computational inefficiency and physical inconsistency. In this study, we propose a novel approach called Quantum-Optimized Fuzzy Physics-Informed Neural Networks (QFuzzy-PINNs), which integrates quantum computing, fuzzy logic, and physics-informed deep learning. As a first step, we employ quantum annealing for conventional optimization to adjust multiple Gaussian …
Published in International Journal of Climate Conditions · Vol. 2, Issue 2, 2025 · pp. 18–27 Read article
-
PCM with Multiple Node Injections
Abstract: Phase-Changing Materials (PCM) are currently being investigated for use as heat storage in solar energy applications. To analyze the temperature profile, morphing tree structures are used to simulate the melting algorithm of Phase Changing Material with increasing branch numbers. The melting behavior is simulated for invading lines of heat, which range from single-lined, zero branch insertions, to insertions with two branched lines. The research aims to address the growing demand …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 14, Issue 1, 2024 · pp. 2–7 Read article
-
Choking & Corrosion in Biomass Fired Boilers
Abstract: Biomass or Agricultural Waste is being widely projected and Promoted as an alternate to Fossil Fuels. Not only the reserves of Fossil Fuels - Coal and Oil are getting depleted, they are responsible for adding to the menace of pollution. Hence Biomass aptly qualifies as a non-polluting and renewable source of energy. One of the direct and common use of Biomass Fuel is for producing heat by combustion in a …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 389–397 Read article
-
Experimental Investigation on Heat Transfer Enhancement in Shell and Tube Heat Exchanger Using Graphene Nanofluids
Abstract: The paper focuses on the dispersion of Graphene nanoparticles in a water–ethylene glycol based fluid to investigate their impact on the convective heat transfer performance of the resulting nanofluid. Various concentrations of graphene nanoparticles were prepared, and the nanofluids were subjected to different ultrasonication durations to ensure proper dispersion and stability of the nanoparticles within the base fluid. The study involved extensive experimental evaluation to systematically analyze how the nanoparticle …
Published in Journal of Automobile Engineering and Applications · Vol. 12, Issue 3, 2025 · pp. 32–38 Read article
-
Analysis of Hybrid Photovoltaic Thermal (PV/T) Integrated Solar Dryer: An Experimental Validation
Abstract: In this study, a hybrid photovoltaic thermal (PV/T) integrated solar dryer has been designed, developed, and experimentally analyzed to evaluate its performance in real-world climatic conditions. The system incorporates a UV-stabilized sheet mixed-mode tent house structure, installed on the rooftop of a building located in Bhilai, Chhattisgarh, India. The dryer is equipped with a thermal collector directly connected to the drying chamber to enhance heat transfer efficiency. Experiments were conducted …
Published in Journal of Thermal Engineering and Applications · Vol. 13, Issue 1, 2026 · pp. 1–6 Read article
-
Thermally Regulated Polymer-PCM Composites for Efficient Solar Energy Harvesting and Storage
Abstract: This study investigates the development of high-performance; shape-stabilized polymer composites infused with phase change materials (PCMs) for thermal energy storage in solar energy applications. Polyethylene glycol (PEG-6000) was employed as the core PCM due to its high latent heat and suitable melting point, while high-density polyethylene (HDPE) served as the supporting polymer matrix to provide structural stability. One of the primary limitations of PEG-based PCMs is their inherently low thermal …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 153–163 Read article
-
Design of Evaporator and Condenser for Solar Adsorption Refrigeration System
Abstract: Solar adsorption refrigeration systems provide a promising alternative for sustainable cooling in regions with limited grid access and high solar availability because they can convert low-grade thermal energy into refrigeration without mechanical compression. The performance of such systems depends strongly on the thermal behavior of the evaporator and condenser, since these components govern the refrigerant evaporation rate, condensation effectiveness, and overall cycle stability. This paper presents focus on the design …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 13, Issue 2, 2026 · pp. 1–10 Read article
-
Polymer–Gel Composite Phase Change Materials: A Functional Polymer Composite Approach for Solar-Thermal Energy Storage in Building Facades
Abstract: This study investigates polymer–composite phase change materials (PCMs) in the form of polymer–gel hybrids as multifunctional systems for solar–thermal energy storage in building façades. Paraffin- and PEG-based PCMs were embedded into polyurethane and acrylic gel matrices to create shape-stabilized polymer–composites with high PCM loading (70–80 wt%). Differential Scanning Calorimetry (DSC) confirmed distinct melting/freezing transitions at ~56°C (paraffin) and ~42°C (PEG), with enthalpy values of 120–150 J/g, closely matching theoretical predictions, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 36–51 Read article
-
Dual Nozzle 3D Printing of Basalt Fiber–Reinforced Polymer Composites
Abstract: Additive manufacturing or 3Dprinting involves building a three-dimensional object by layering materials based on a computer-created design. Generally, 3D printing using single nozzle process where as strength, quality, wastage, and post reinforcement are drawback of this system. To eliminate and to enhance strength, precise control of fiber reinforcement, good bonding, no need of secondary reinforcement the dual nozzle 3D printing is an emerging additive manufacturing technique. In this process the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 620–630 Read article
-
Potential, Principles, and Applications of Microwave Energy
Abstract: Microwave energy 300 MHz to 300 GHz electromagnetic radiation is essential to modern science and technology. Its applications include telecommunications, medicine, industrial processing, and renewable energy, despite its association with kitchen appliances. Microwave energy generation, transmission, and material interaction are covered in this article. It emphasises wireless communication, radar, medical therapies, and microwave- assisted chemical processes. The study also examines new developments in microwave engineering, such as the creation of …
Published in Journal of Microwave Engineering and Technologies · Vol. 13, Issue 1, 2026 · pp. 34–39 Read article
-
Modification In Technology of Solar Water Distillation for Improving Performance Through Design of Rotating Cylinder
Abstract: A solar still uses sunlight to turn salty or dirty water into clean drinking water by evaporation and condensation. It is one of the best solutions for drinking water shortages and environmental issues, as well as being affordable and friendly to the ecosystem. The primary issue with using traditional solar power is still how inefficient it is. Prominent goal of experiment is to do alteration in existing solar still. A …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 398–404 Read article
-
Numerical Simulation of Transient Free Convection in a Rectangular Cavity Filled with Porous Material Using Finite Element Formulations
Abstract: In this study, the finite element method is used to quantitatively explore transient free convection in porous cavities in order to understand the flow characteristics and heat conduction processes in the square cavities. In comparison to an uniform temperature gradient, the left wall is swiftly heated and the right wall is allowed to cool to a specific temperature. The horizontal walls are insulated on both sides. Dimensionless representations of the …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 1–10 Read article
-
Enhancing the Performance of Evacuated Tube Heat Pipe Solar Collector Using CuO Nanofluid
Abstract: Renewable energy is an important component of sustainable development technologies that meet current demands without risking future generations' ability to meet their own. Due to fast expanding energy consumption and environmental concerns, many international scholars are seeking an alternate approach to fulfill future energy demand. Due to its abundance and pure nature, solar energy appears to be the most enticing option in this case. Because of their ease of use, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 393–407 Read article
-
Thermal Effects in High-Power Laser Systems: Modeling and Mitigation
Abstract: High-power laser systems are increasingly employed in industrial manufacturing, defense, medical procedures, and scientific research due to their ability to deliver high energy density with excellent spatial coherence. However, the performance and reliability of these systems are significantly influenced by thermal effects arising from optical absorption, non-radiative recombination, and inefficient heat dissipation within laser gain media and optical components. These thermal phenomena lead to adverse effects such as thermal lensing, …
Published in International Journal of Manufacturing and Production Engineering · Vol. 3, Issue 2, 2025 · pp. 9–13 Read article
-
Thermal Dissipation Performance of Metal–Polymer Composite Heat Exchanger for Enhanced Thermal Management in Compact Electric Geysers
Abstract: Most electric geysers these days are made from all-metal stuff, like stainless steel tanks and copper coils for heating, plus mild steel on the outside. Standby heat losses can be 20 to 40 watts, and a 15-litre unit weighs around 6 to 8 kilograms. Manufacturing costs are higher, too. Hard water makes it worse, with limescale building up on the heating elements and cutting thermal conductivity by 10 to 30 …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 618–651 Read article
-
Green Energy and its Essential for Future World
Abstract: The ability of an object to change shape or transfer to another object is known as its energy; it is an attribute that cannot be created or destroyed. Production of energy has the fewest negative consequences on the environment.It is an energy source that is replenishable. Green energy sources, including hydro, geothermal, solar, and wind power, are developed and marketed as alternatives that contribute little to nothing to the fight …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 16, Issue 3, 2025 Read article
-
Green Energy and its Essential for Future World
Abstract: The ability of an object to change shape or transfer to another object is known as its energy; It is a fundamental property that drives physical processes and transformations. Energy exists in various forms such as kinetic, potential, thermal, and chemical. It cannot be created or destroyed, only transformed from one form to another or transferred between systems. This principle, known as the law of conservation of energy, is central …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 16, Issue 3, 2025 · pp. 1–10 Read article
-
Relative Study on Design and Analysis of Iron Box using Different Materials
Abstract: In this study, a steady-state thermal analysis of the soleplate is conducted using four different materials(Aluminium, Stainless Steel, Titanium and Ceramics) using ANSYS Workbench. Also, it ensures that the design adheres to safety standards and promotes efficient energy usage while examining heat distribution. In electric irons, the soleplate is the crucial part, so an analysis is done on this part. Also, a change in design was made to increase safety. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article