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295 articles for “heat engine”
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Enhancing Efficiency and Adaptability of Double Pipe Heat Exchangers: Design and Implementation Perspectives
Abstract: The present study focuses on exploring the intricacies of twin pipe heat exchangers, highlighting their versatility and efficiency in various industrial applications. Twin pipe heat exchangers consist of concentric pipes through which fluids flow in opposite directions, enabling effective heat transfer across significant temperature gradients. This design is particularly advantageous in scenarios involving low flow rates or highly viscous fluids, as well as moderate heat loads. One of the key …
Published in Recent Trends in Fluid Mechanics · Vol. 12, Issue 1, 2025 · pp. 63–70 Read article
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Computational Heat Transfer Analysis of Corrugated Heat Sink Fins
Abstract: AbstractTo find the behavior of heat transfer and thermal management of novel type heat sink fins, a CFD analysis has been carried out. Available heat sink designs are studied for the thermal management of electronic devices, concentric solar devices, LED’s, etc. Electronic devices emerged in last decade and thus cooling of electronic devices with the efficient solution is still immature. In this study, corrugated type fins are introduced and analyzed …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 1, 2018 · pp. 17–27 Read article
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Emergent and Self Organizing behavior in Heat Diffusion Model
Abstract: Abstract-Heat Diffusion equation is used to determine thechange in the function of u over time. We try to discuss different experimental parameters from an existent heat diffusion model given by Netlogo for simulation of steady-state temperature distribution of a thin plate as the model shows complex behavior when we change the temperature of the sides to different levels. In addition, we try to modify the model and discuss how emergence …
Published in Journal of Software Engineering Tools & Technology Trends · Vol. 4, Issue 3, 2017 · pp. 17–22 Read article
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Experimental Analysis on Longitudinal Finned Tube Heat Exchanger and Numerical Investigation on Parameters that Accrue the Overall Heat Transfer Coefficient
Abstract: The presence of nanofluids ascertained great augmentation in heat transfer. Several works have been done so far to parameterize the properties of nanofluid in relation to augmentation of heat transfer. In conjunction to this, the present work focuses on heat transfer within a longitudinal finned tube heat exchanger with simulated employment of nanofluids. Experimentation is done on longitudinal finned tube heat exchanger and the results were compared with numerical simulations …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 1, 2016 · pp. 29–41 Read article
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A Case Study on Heat Exchange Network Synthesis
Abstract: The requirement of energy in any processing industry is not only a need but it is indeed a most wanted utility. In a typical processing or manufacturing industry the most common utility are steam and cooling water. However, the cost of these utility are no longer cheap, in fact they are expensive. Therefore, saving these utility or minimizing the usage of these utilities is one of the most needed practice …
Published in Emerging Trends in Chemical Engineering · Vol. 4, Issue 1, 2017 · pp. 1–6 Read article
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Forced Convection Heat Transfer Over a Plate Through Jets: A Review
Abstract: In the past two decades, many technical experimental, numerical and mathematical models are being presented by many researchers in India and abroad. A number of related papers are reviewed herein as a review of forced convection heat transfer over flat plate placed under micro multi-nozzle, jets zone and parameters affect the convective heat transfer. Some of them present important correlations for Nusselt number are collected here.Cite this Article Todkar RN, …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 47–50 Read article
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Numerical Simulation of Fluid Flow and Heat Transfer Enhancement in a Circular Wavy Channel
Abstract: The present study focuses on the computation of fully developed flow and heat transfer through a stationary circular wavy-walled duct. The fluid temperature at the channel inlet (Tin) is taken less than that of the walls (Tw). The governing equations are numerically solved in the domain by the control volume approach based on the SIMPLE technique. The circular wavy channel of 2.0 m length are tested in the current work; …
Published in Journal of Thermal Engineering and Applications · Vol. 2, Issue 2, 2015 · pp. 28–35 Read article
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Significance of Nanoparticles in Phase Change Materials as Heat Transfer Fluid for Solar Heat Absorption
Abstract: The utilization of solar energy as a sustainable and eco-friendly power source has gained significant traction in recent years, with innovations constantly evolving to improve efficiency and effectiveness.one such innovation lies in the integration of nanoparticles into phase change materials (PCMs) to enhance their heat transfer capabilities, making them ideal candidates for solar heat absorption applications. This paper delves into the significance of nanoparticles in PCMs as heat transfer fluids …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 57–65 Read article
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Heat Transfer Performance of ZnO- Ethylene Glycol- Water Nanofluid Using Thermal Lens Technique
Abstract: Nanofluids are engineered fluids used in advanced electronic systems for thermal management. Fluids with dispersed nanoparticles have exhibited remarkable thermal properties. Ethylene glycol (EG) and water mixtures are widely used in many industrial areas. This study investigates the synthesis and heat transfer performance of ZnO-EG, ZnO-water, and ZnO-EG-water nanofluids using a dual-beam thermal lens technique. ZnO is a widely used inorganic, UV-absorbing, multifunctional semiconducting material with applications in various fields …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 440–445 Read article
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Renewable-Powered HVAC Systems: Advances in Solar, Bioenergy, and Heat Pump Technologies
Abstract: The global demand for refrigeration, air conditioning, heating, and ventilation (HVAC) systems has increased rapidly due to population growth, urbanization, industrialization, and rising expectations for indoor thermal comfort. These systems account for a substantial share of global energy consumption and greenhouse gas emissions, primarily because they rely heavily on fossil-fuel-based electricity and thermal energy. Consequently, the decarbonization of HVAC and refrigeration sectors has become a critical component of global climate …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 13, Issue 1, 2026 · pp. 26–33 Read article
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Inverse Model for Predicting Thermal Abnormality of the Transient Process Triggered by Defective Electronics Element
Abstract: The paper presents a model for predicting thermal abnormalities in Printed Circuit Boards (PCBs) by approximating the thermal process of electric elements with heating from point sources. Circuit board heat sources are defined as point and non-point. The point heat source is a small electronic heating element that can be approximated as having originated from one point on the circuit board. A non-point source is one with heat distributed over …
Published in International Journal of Energy and Thermal Applications · Vol. 3, Issue 2, 2025 · pp. 24–31 Read article
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Characterisation of FSW Joints of Aluminium and Titanium Alloys: A Review
Abstract: AbstractThis paper presents a review on friction stir welding of different aluminum and titanium alloys. Aluminum alloys are most widely used in automotive, aerospace and ship building industries as high strength-to-weight ratio materials. Titanium alloys are also attractive in these fields due to their high specific strength and good corrosion resistance. In some special applications, the complementary characteristics of Ti and Al are required, such as increased strength, low weight …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 3, 2018 · pp. 25–29 Read article
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Advanced Perspectives on Fluid Dynamics in Environmental Systems: Interactions, Impacts, and Innovations
Abstract: Environmental fluid mechanics is a multidisciplinary field that investigates the movement and behavior of natural fluids—such as air and water—in the environment, with a particular focus on understanding and mitigating the effects of human activities and natural processes. This study presents an analysis of fluid flow phenomena relevant to environmental systems, examining the transport of momentum, heat, and contaminants in both natural and engineered environments. Emphasis is placed on the …
Published in Recent Trends in Fluid Mechanics · Vol. 12, Issue 2, 2025 · pp. 1–16 Read article
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IoT-Enabled Polymer–Gel PCM Composites for Intelligent Thermal Management in Solar Facade Applications
Abstract: The present study investigates the development of a multifunctional polymer–gel phase change composite designed for solar façade applications with integrated real-time thermal monitoring capability. A crosslinked polyvinyl alcohol–borax matrix was employed as a three-dimensional polymer scaffold to encapsulate paraffin-based phase change material, ensuring leakage-free operation and structural integrity under repeated thermal cycling. Graphite nanoplatelets were incorporated as thermally conductive nano-fillers to enhance heat transfer through the polymer composite via percolation-driven …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 99–111 Read article
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Modification in Stacks Design for the Integrated Incinerator–Fired Heater System Using CFD
Abstract: AbstractIn a unique integration of its kind, incinerator hot flue gases are routed below convection section of fired heater for enhanced heat recovery for an ongoing oil and gas field development projects. High degree of flue gas mixing between incinerator and heater flue gases is desired at inlet section of coils in convection section for optimal heat recovery. Also design of stack should take care of required draught in incinerator …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 3, 2019 · pp. 27–35 Read article
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Study of Multistage LDAC System Aided Direct and Indirect Type of Dehumidifier with Solar Heating and Evaporative Cooling
Abstract: The aim of this paper is to study various studies done on multistage LDAC system. Some of the studies were based on a combination of multi-stage with VC systems to make it more effective. Some systems have an equal number of regenerator and dehumidifiers and some have only single regenerator between several dehumidifiers. Most of the systems have liquid desiccant type dehumidifiers but some use solid desiccant wheels for dehumidification. …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 15–20 Read article
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Hydraulic and Thermal Performances of a Counter-Flow Heat Exchanger with Fins
Abstract: Computational analysis has been conducted to examine the flow and heat transfer characteristics in a two-dimensional iso-thermal-fluxed circular-duct fitted with fins. The computations are based on finite volume methods employed with the simple algorithm. Paper reports are based on the computational fluid dynamics (CFD) modelling studies on laminar flow heat transfer, friction factor and thermal performance of a counter-flow heat exchanger equipped with two types of tube insert, one including …
Published in Journal of Thermal Engineering and Applications · Vol. 2, Issue 3, 2015 · pp. 14–20 Read article
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Thermal Comfort Analysis Thermostat Valve
Abstract: Recent analysis that has given performance on the basis of thermal analysis of thermostat valve. Play an important role in automobile Cooling system. And its performance can change according to its different temperature conditions. Thermostat valve has been extensively study with the primary direction it's Bring Down engine temperature and upgrade performance of engine. Thermostat valve play an important role in automobile cooling system for durable the engine temperature in …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 8, Issue 4, 2021 Read article
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Fractional Calculus-Based Analysis of Magneto-Thermal Nanofluid Flow Over Stretching and Shrinking Surfaces
Abstract: This study presents a comprehensive investigation of magneto-thermal hybrid nanofluid flow over stretching and shrinking surfaces using a fractional calculus framework to capture the memory and hereditary characteristics of complex fluid transport phenomena. The proposed model incorporates the effects of magnetic field intensity, thermal radiation, viscous dissipation, Brownian motion, and thermophoretic diffusion on the velocity and temperature distributions within the boundary layer region. A fractional-order derivative formulation is employed to …
Published in Recent Trends in Fluid Mechanics · Vol. 13, Issue 2, 2026 · pp. 1–10 Read article
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Thermal Performance Analysis and Optimization of Pin-Fin Heat Sink Using CFD, Taguchi Method, and Machine Learning
Abstract: Efficient thermal management is essential for improving the performance and reliability of modern engineering systems and electronic devices. This study presents the design, simulation, and optimization of a pin-fin heat sink using SolidWorks for three-dimensional modeling and ANSYS for thermal and computational fluid dynamics (CFD) analysis. Four different pin-fin geometries, namely square, pentagon, octagon, and circular fins, are considered to evaluate their thermal performance under varying operating conditions. Aluminum is …
Published in Trends in Mechanical Engineering & Technology · Vol. 16, Issue 2, 2026 · pp. 8–20 Read article