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127 articles for “thermal analysis”
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Waste Heat Recovery Technologies for IC Engines: A Comparative Review of Thermoelectric andOrganic Rankine Cycle Systems
Abstract: Abstract Internal combustion (IC) engines, widely used in automotive, marine, and industrial applications, are inherently inefficient due to significant thermal energy losses. A substantial portion of the energy generated from fuel combustion is expelled as waste heat through the exhaust system and cooling fluids. With increasing emphasis on energy efficiency and environmental sustainability, Waste Heat Recovery (WHR) technologies have garnered considerable attention for their potential to enhance overall engine performance …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 11, Issue 1, 2025 · pp. 21–25 Read article
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Production and Evaluation of Composites Made from Waste Material and Recycled Poly(Ethylene Terephthalate)
Abstract: A significant ecological concern that third-world countries are currently facing is the economically viable use of lignocellulose waste. In addition to reducing the cost of the composite, cellulosic fiber composites created from industrial waste would enable the efficient use of a waste material that is presently disposed of or burned. Recycled poly (ethylene terephthalate) was used in this work as a major phase (matrix) and industrial waste material was used …
Published in International Journal of Energetic Materials · Vol. 11, Issue 1, 2025 · pp. 1–12 Read article
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Analysis of Heat Mitigation Potential of Coir Mat and Perlite Layers vs Green Roof Systems
Abstract: This study explores the heat mitigation potential of coir mats and green facades applied to roofs. Being situated near the equator, buildings are subjected to intense solar radiation due to the sun’s proximity and minimal declination angle. Consequently, roofs transfer a substantial amount of heat into indoor spaces, making effective thermal regulation strategies essential. Roof insulation emerges as a key method for managing indoor temperatures, with sustainable, locally sourced, climate-friendly, …
Published in International Journal of Sustainable Building Technology · Vol. 8, Issue 1, 2025 · pp. 1–7 Read article
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Thermal and structural properties of surface treated ragweed fiber reinforced biodegradable polylactic acid biocomposites
Abstract: Natural fiber-reinforced composites (NFRC) are becoming more popular as technological advance recognizes the need for eco-friendly materials. This work presents Giant ragweed (Ambrosia trifida) as a new composite reinforcement material into polylactic acid (PLA) matrix to form novel natural fiber-reinforced composites. Different types of retting techniques are utilized, and hydrogen peroxide retting is proven to provide the most optimized properties. The fibers are taken through subsequent extraction and grinding processes. …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 2, 2022 · pp. 13–31 Read article
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Comparative Design and Performance Analysis of Axial Flow Compressor Blades Using Various Materials
Abstract: This study presents a comprehensive design and performance analysis of axial flow compressor blades using various materials to improve efficiency, durability, and performance. Axial flow compressors are critical components in aircraft engines and industrial gas turbines, and the choice of blade material significantly impacts their functionality under extreme operational conditions. The analysis explores several materials, including traditional alloys, advanced composites, and high-temperature resistant metals, evaluating their mechanical properties, thermal stability, …
Published in International Journal of Mechanics and Design · Vol. 10, Issue 2, 2024 · pp. 7–15 Read article
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A Technical Analysis of Fly Ash Concrete for Compressive Strength
Abstract: Fly ash is a waste produced by thermal power plants and used as a supplementary cementitious material (SCM) in the production of Portland cement concrete. A supplementary cementitious material, when used in combination with Portland cement, pays to the properties of the hardened concrete through hydraulic or pozzolanic activity, or both. At present fly ash, is a big environmental concern and issues. The analysis presented in this paper is carried …
Published in International Journal of Concrete Technology · Vol. 4, Issue 1, 2018 · pp. 21–24 Read article
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Studies on Effect of Organoclay and Melamine Powder on Flexible Polyurethane Foam for Aerospace Applications
Abstract: Flexible polyurethane foam (PU) is a suitable candidate for various aerospace applications like acoustic insulation due to its high flexibility, ease of processing, etc. But one of the major disadvantages of this foam is low flammability resistance. The aim of this study is to improve the flame resistant properties of flexible PU foam through incorporation of additives. Flexible polyurethane foams were synthesized through one shot process with organically modified nanoclay …
Published in International Journal of Polymer Science and Engineering · Vol. 7, Issue 2, 2021 · pp. 15–26 Read article
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Analysis of Gravity Dam for Different Rectangular Openings Sizes
Abstract: Gravity dams are very important structures. Different parameters which come in loading combination are temperature, dead weight, earthquake, hydrostatic pressure and water load. From the study, it has been found that the properties which affect the performance of a dam are static properties and thermal properties. Static properties of the concrete dam are strength, Poisson’s ratio and elastic modulus while thermal properties are specific heat, thermal expansion coefficient, thermal conductivity …
Published in International Journal of Concrete Technology · Vol. 3, Issue 2, 2017 · pp. 11–17 Read article
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Evaluation of the Potential of Fused Silica Material: The Relationship of Temperature, Frequency, and Polarization
Abstract: Fused silica, a high-purity form of silicon dioxide, is widely recognized for its exceptional thermal stability, optical transparency, and low dielectric loss. This study evaluates the potential of fused silica as a material in advanced optical, electronic, and photonic applications by exploring its properties in relation to temperature, frequency, and polarization. Through a comprehensive analysis, we examine the temperature-dependent changes in its thermal and optical properties, including thermal expansion, refractive …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 2, 2024 Read article
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The Effect of Air Bubbles Injection into a Shell and Coiled Tube Heat Exchanger: A Review
Abstract: In present study, a shell and coiled tube heat exchanger has been mathematically studied. The helically coiled tube and the effects of on thermal characteristics of heat exchanger will be proposed in this study. CFD analysis on ANSYS software will be performed. Shell tube carrying cold water, helical coil containing hot water and U shaped hollow pipe carries air. Thermal properties and its effect has been considered in the study.
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 2, 2017 · pp. 34–42 Read article
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Enhancing Electric Vehicle Range and Efficiency with Hybrid Auxiliary Energy Storage Systems: A Comprehensive Investigation
Abstract: Battery packs are the most significant and basic component of the electric vehicle system, and it therefore matters to analyse their operational metrics. Numerous Batteries that are used as energy storage devices for transporting needed energy have many upsides, such as minimal or no combustion, light weight, and more convenient charging and discharging cycles. However, when overcharged, these batteries experience many not beneficial temperature effects, as well as mechanical distortion …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 9, Issue 1, 2023 · pp. 50–62 Read article
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Interfacial Engineering and Performance Optimization of Jute-Fiber-Reinforced Epoxy Laminates
Abstract: The increasing environmental concerns associated with synthetic fiber reinforced polymer composites have driven substantial research interest toward naturally derived, biodegradable fiber alternatives. This study presents a comprehensive mechanical and thermal characterization of jute fiber reinforced epoxy composites fabricated via hand lay-up followed by compression molding. Jute fibers were subjected to alkali treatment using 5 wt% sodium hydroxide (NaOH) solution for 4 hours at ambient temperature to enhance fiber–matrix interfacial bonding …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 1, 2026 · pp. 52–64 Read article
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Mechanical and Thermal Characterization of Natural Fiber-Reinforced Epoxy Composites for Structural Applications
Abstract: Natural fiber reinforced polymer (NFRP) composites have emerged as promising alternatives to conventional synthetic fiber composites owing to their environmental sustainability, low density, and competitive specific mechanical properties. However, a comprehensive and simultaneous evaluation of both mechanical and thermal performance of jute/sisal hybrid natural fiber epoxy composites under systematic fiber treatment conditions remains insufficiently addressed in the literature. The present study investigates the mechanical and thermal characterization of jute and …
Published in International Journal of Composite Materials and Matrices · Vol. 12, Issue 1, 2026 · pp. 37–48 Read article
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Thermoelectric Energy Recovery from Exhaust Systems: Design, Simulation, and Performance Analysis of a Waste-Heat Recovery Prototype
Abstract: In today’s context, energy plays a vital role in environmental development. Unfortunately, most energy strategies that yield immediate benefits often contribute to long-term environmental degradation. The law of conservation of energy states that “Energy cannot be created or destroyed; it can only change from one form to another.” This idea emphasizes the fact that no technological improvement can continue eternally without having negative effects. Every living thing on the world …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 11, Issue 2, 2025 · pp. 1–21 Read article
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Predicting Water Distribution Pipe Thermal Abnormalities Caused by Wildfire
Abstract: The paper covers the temperature thermal control of the water distribution system by predicting the temperature exceeding the safe level at pipes' locations and shutting off the water access to the main distribution pipe. The advantages of predictive thermal control over setting the maximum allowed temperature are provided. The prediction uses a transient heat conduction model with an error function approximation for arbitrary distance from the surface. It is provided …
Published in International Journal of Environmental Chemistry · Vol. 11, Issue 2, 2025 · pp. 89–97 Read article
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Experimental Investigation of Three Pass Helical Coil Heat Exchanger Keeping Constant Mass Flow Rate of Tube Fluid
Abstract: Heat exchanger is an adiabatic steady flow, open system in which two flowing fluid exchange or transfer heat without loosing or gaining any to the ambient. Heat exchangers are the important engineering systems with vast variety of applications including power generation, heating ventilation and air conditioning systems, nuclear, heat recovery systems, food and paper industries and many more. Helical coil structure configuration is very effective for heat exchangers because it …
Published in International Journal of Mechanics and Design · Vol. 6, Issue 2, 2020 · pp. 17–22 Read article
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Thermo-Mechanical Properties of Banana and Jute Fiber Reinforced Polypropylene Composites
Abstract: Abstract Present research aims at finding out better fiber reinforcement for low cost and eco-friendly polymer matrix composite. Polypropylene was chosen as a matrix, while jute and banana fiber were chosen as reinforcement. Composites were prepared by using a hot press machine. Fiber loading was varied at 0, 4 and 8 volume%. Both raw jute and banana fiber was chemically treated with 5 wt% sodium carbonate and composites were also …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 2, 2019 · pp. 37–47 Read article
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CFD Analysis of Earth Heat Exchanger with Air as a Cooling Medium
Abstract: An earth air tube heat exchanger (EATHE) uses the thermal energy of the ground for the air cooling in summer and air heating in winter due to the temperature difference between the air and underground surface. With the help of EATHE we can reduce the energy consumption required for space heating or cooling. However, for determining the surface heat convection, due to lack of available methods it is difficult to …
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 2, 2017 · pp. 21–30 Read article
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Synthesis and Characterization of Polymer-Based Organic–Inorganic Hybrid Materials viaSol–Gel Processing: A Review of Gelatin–Silica, Gelatin–Silica–Titania and HPMA-Based Systems
Abstract: Organic–inorganic hybrid materials have emerged as a versatile class of advanced materials that integrate the flexibility and functionality of organic polymers with the thermal, mechanical, and chemical stability of inorganic networks. Among the available fabrication routes, the sol–gel process has gained considerable attention because of its simplicity, low processing temperature, compositional flexibility, and ability to tailor material properties at the molecular level. The present review discusses the synthesis and characterization …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 2, 2026 Read article
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Thermal Dynamics and Kinetic Modelling of Cryogenic Fuels in Aerospace and IndustrialApplications
Abstract: Cryogenic fuels are critical for high-speed aerospace and industrial applications, where efficient handling, storage, and usage are paramount for performance and safety. This study explores the thermal dynamics and kinetic modeling of cryogenic fuels, focusing on liquid handling systems and propellant technologies. Utilizing computational fluid dynamics (CFD) analysis, the research evaluates the behavior of cryogenic liquids within insulated vessels under extreme temperature conditions, identifying key parameters that influence thermal stability …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 2, 2024 Read article