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295 articles for “heat engine”
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Experimental and CFD Investigation of an Epoxy-Based Thermally Conductive Polymer Composite U-Tube Shell-and-Tube Heat Exchanger: A Lightweight Alternative to Conventional Metal Systems
Abstract: Shell-and-tube heat exchangers continue to play a critical role in industrial thermal systems; however, their conventional design based on fully metallic materials often leads to challenges related to weight, corrosion, and cost. In recent years, thermally conductive polymer composites have emerged as promising alternatives, offering improved corrosion resistance and design flexibility. In this study, the thermo-hydraulic performance of a U-tube shell-and-tube heat exchanger is investigated by partially replacing conventional metallic …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 685–700 Read article
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Scramjet Combustor Development: A Review
Abstract: In the development of scramjet engine, the combustor presents the most formidable problems. Combustor is the critical section due to practical constraints of suitable material, mixing and flame holding in the short span of length. The complex phenomenon of supersonic combustion involves turbulent mixing, shock interaction and heat release in supersonic flow. The flow field within the combustor of a scramjet engine is very complex and poses challenge in design …
Published in Journal of Aerospace Engineering & Technology · Vol. 2, Issue 3, 2012 · pp. 28–41 Read article
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Enhancement in Heat Transfer Rate of Plate Fin Heat Exchanger using Triangular Winglets
Abstract: AbstractHeat transfer enhancement in heat exchanger leads to higher saving in terms of manufacturing and operational costs. However, parameter pertaining to pressure drops needs to be effectively analyzed so as to make a balance between pressure drop and effectiveness against the operation costs. This paper focuses on the use of triangular winglets in plate fin heat exchangers to enhance the rate of heat transfer. An obstacle is provided in the …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 1, 2018 · pp. 6–11 Read article
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Enhancement in Heat Transfer Rate in a Pipe in Pipe Heat Exchanger Using Helical Insert
Abstract: AbstractHeat transfer enhancement techniques are frequently used in heat exchanger system in order to increase the rate of heat transfer and improve the thermal performance of the system. This paper contains experimental study on enhancement in heat transfer rate using helical insert. The inner tube used was of copper with inner and outer diameter of 11.8 mm and 12.7 mm, respectively, and outer tube was galvanized iron, which was insulated …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 5–12 Read article
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An Experimental Study on the Effect of Tensile Properties and Hardness of AA6082-T6 under the Heat Treatment Conditions
Abstract: AbstractIn the present study, the experiments were performed to investigate the effect of heat treatment parameters viz. soaking time and temperature on the tensile properties and hardness of Aluminium alloy (AA) 6082-T6 sheet. The sheet was heat treated and cut the standard tensile specimen ASTM E8M-04tofind out the tensile properties and hardness value at different temperature with respect to different soaking time. Air circulation oven type electric furnace was used …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 3, 2018 · pp. 36–41 Read article
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Compatibility Issues of Heat Pipes for Radioactive Exposures
Abstract: AbstractSelection of alloys are refractory materials those withstand high temperature, radioactive embrittlement effects for long periods. Effects of high temperature and neutron embrittlement are subjects considered in this article. Effects of coolants, reactive gases like oxygen are facts of importance to select materials for reactor construction system. Selections of radioactive protecting alloys like sleeves are of importance to produce systems within margins of weight. Compatibilities have been decisive among material, …
Published in Journal of Nuclear Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 24–32 Read article
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A Thermal Review and Simulation of Renewable Tube Heat Exchanger – A Review
Abstract: AbstractRenewable energy is the conventional source of energy. It is the endless source of energy and quality available in nature. At the present scenario, heating and cooling is a major concern in environment due to global warming. Air conditioning systems has been developed to resolve major part of energy is being engaged in such issues, which also causes global warming. Renewable tube heat exchanger is a renewable source of energy …
Published in Journal of Nuclear Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 9–17 Read article
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Thermal Performance Analysis of a Solar Dryer-cum-Air Heater with Modified Absorber Surface
Abstract: Abstract The use of solar resource for food drying has always been a food preservation technique which has widely been practised in most parts of the world. The solar drying system utilizes solar energy to heat up air and to dry food substance placed in dryer, which is beneficial in reducing wastage of food products and helps in preservation of the same. Unfortunately, some of the methods practised in the …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 3, 2016 · pp. 34–40 Read article
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Cu-H2O Nano-Fluid Effect on Buoyancy Driven Flow in 2D Enclosure
Abstract: System miniaturization resulting in exponential increase of the heat in electronic devices, to serve this purpose we need some adequate quality heat cooling devices and materials, due to the limitation of conventional cooling process. Suspension of nano-particles in the base fluid called nano-fluid, shows prominent increase in the heat transfer and can be one of appropriate option which can be answer to this problem. Present work deals with numerical simulation …
Published in Journal of Thermal Engineering and Applications · Vol. 4, Issue 2, 2017 · pp. 1–7 Read article
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Heat Transfer in Single Effect Solar Assisted LiBr-H2O Absorption Refrigeration Cycle
Abstract: This paper describes the heat transfer model of LiBr-H2O vapour absorption cooling system implemented in engineering equation solver (EES). The detailed first law analysis of the system is presented. Effects of operating temperature and pressure on the heat load in various components, coefficient of performance (COP), and circulation ratio of the system have been carried out. Impact of solution heat exchanger effectiveness on system performance is also studied. The study …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 2, 2016 · pp. 1–11 Read article
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Scanner and Display Installation on Petrol Engine Test Rig: Review
Abstract: In this project, we are going to develop a temperature scanner with display. It is a device that measures more than one temperature points or multi-channel. It is actually a multi-channel indicator that measures and displays signals of each channel one-by-one up to last channel and then returns to first channel and continues the process cyclically. This continuous cyclic process of measurement is called scanning. By using a temperature scanner, …
Published in Journal of Electronic Design Technology · Vol. 11, Issue 3, 2020 · pp. 28–33 Read article
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Analysis of Thermoelectric Generator for Automotive Exhaust Energy Recovery
Abstract: Utilizing waste heat from thermodynamic systems has shown to be a successful tactic for reducing environmental emissions and improving overall energy efficiency. About 40% of the chemical energy generated during fuel combustion is rejected by exhaust gases in internal combustion engines. It is possible to increase vehicle fuel efficiency and lower greenhouse gas emissions by harvesting this otherwise lost heat energy and turning it into useable electrical power. A viable …
Published in Trends in Mechanical Engineering & Technology · Vol. 16, Issue 2, 2026 · pp. 21–33 Read article
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Polymer-Inspired Underwater Friction Stir Welding of Aluminum–Copper Composite Joints
Abstract: The problem of high-performance dissimilar joints and their compatibility with polymer and composite engineering applications is the impetus to the current work. This paper seeks to investigate the possibility of applying the polymer-based composite ideas with underwater friction stir welding (UWFSW) to improve the performance of AA5083 aluminumcopper joints. To achieve this a systematic experimental method was followed by varying the tool rotational speed, traverse speed and tilt angle and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 372–383 Read article
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Characterization of Materials used In Laser Engineered Net Shaping Through Microstructure Analysis: A Review
Abstract: Laser Engineered Net Shaping is a well developing layered manufacturing method in which the metal powders are used to deposit on a substrate with the help of laser. Due to continuous and repeated melting and solidification, the properties of the metals may change by the end of preparation of the components. Microstructure analysis is one of the characterization techniques to evaluate the behavior of the metals after deposition. Many useful …
Published in Trends in Machine design · Vol. 1, Issue 1, 2014 · pp. 57–60 Read article
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Advances in Pipe Flow Systems, Turbulence, and Combustion Processes in Fluid Mechanics
Abstract: Fluid mechanics plays a critical role in the design and optimization of engineering systems involving fluid transport, energy conversion, and thermal processes. This review presents recent advances in pipe flow systems, turbulence behavior, and combustion processes, highlighting their interdependence in modern applications. Pipe flow systems are essential in industries such as water distribution, oil and gas transport, and chemical processing, where flow characteristics are influenced by factors such as pressure, …
Published in Recent Trends in Fluid Mechanics · Vol. 13, Issue 1, 2026 · pp. 1–7 Read article
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Application of flux cored arc welding (fcaw) without pre-heating for heavy structures in ship building fabrication & construction of heavy offshore structural steels
Abstract: In fusion welding processes, the reason often given to explain the need for preheating, controlling the inter pass temperature (in multi-pass welds), and post-weld heat treatment (PWHT) is to reduce the risk of residual stresses and it can be removed by heating weldment in the heat affected zone (HAZ). Cold cracking is a hydrogen embrittlement phenomenon, often referred to as hydrogen induced cracking or HAZ cracking. During the construction and …
Published in Journal of Construction Engineering, Technology & Management · Vol. 10, Issue 1, 2020 · pp. 20–28 Read article
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Polymeric Hybrid Systems Engineered with Multiple-Stage Energy Absorption for Temperature Control
Abstract: Polymer–composite based phase change systems offer an effective strategy for adaptive thermal management; however, most existing systems exhibit single-stage latent heat transitions, limiting their applicability in environments with fluctuating thermal loads. In this study, a thermoplastic polyurethane (TPU) polymer matrix was reinforced with two microencapsulated paraffin-based phase change materials (PCM-A and PCM-B) to achieve multi-level latent heat storage behavior. The fabricated TPU/PCM-A10–B20 polymer–composite demonstrated two distinct endothermic transitions at approximately …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 146–155 Read article
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Determination of the Effect of Cooking and Temperature on the Specific Engineering Properties of Palm Oil and Groundnut Oil
Abstract: ABSTRACTIn the present study, the density, viscosity, specific heat, thermal conductivity and thermal diffusivity of raw and cooked palm oil and groundnut oil were measured using mass by volume method, falling sphere method and line heat source method respectively and it is observed that the density and viscosity of both oils decreased with an increase in the cooking temperature from raw oil to 150 ° C from 869.6 Kgm − …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 1, Issue 1, 2012 · pp. 27–32 Read article
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Experimental Study and Simulation on Microwave Drilling of Metals and Glasses
Abstract: Microwave heating is being developed to apply for a variety of engineering applications in the last few years due to some special advantages of using microwave. This paper presents a study on attempting microwave drilling of materials especially metals, as metal processing with microwave was a difficult task due to reflection of microwaves by metals at room temperature. A special fixture was developed to study the microwave drilling on metals …
Published in Journal of Experimental & Applied Mechanics · Vol. 5, Issue 1, 2014 · pp. 10–19 Read article
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Partial Hydrogen Induction Analysis on Internal Combustion Engine
Abstract: A hydrogen vehicle uses hydrogen as a fuel to get the output power. There are various applications of hydrogen based applications like space rockets, automobiles etc. In major studies it is found that the cheapest and efficient method of producing hydrogen is by the process of electrolysis. In this paper, we use the hydrogen as fuel with gasoline which is more efficient than the normal gasoline engine. The process is …
Published in Journal of Thermal Engineering and Applications · Vol. 4, Issue 1, 2017 · pp. 20–33 Read article