Search
173 articles for “heating and cooling temperature”
-
Enhancing Fire Performance of Steel Reinforcement in RCC Structures: A Comprehensive Investigation
Abstract: The assessment, repair, and rehabilitation of fire-damaged structures have become crucial due to the rise in significant building fires.This particular field necessitates proficiency in various domains including concrete technology, material science and testing, structural engineering, and repair materials and processes. Researchers and developers are currently engaged in extensive efforts to tackle the challenges related to improving the fire resistance of steel reinforcement in reinforced concrete (RCC) structures. These endeavors involve …
Published in Journal of Structural Engineering and Management · Vol. 10, Issue 1, 2023 · pp. 33–40 Read article
-
Design of a Water-Cooling System for the Inside Roof of 20t Electric Arc Furnace for Oxygen Blow Decarburization Using CFD Analysis
Abstract: An electric arc furnace (EAF) roof usually works at high temperature for a long time, undergoes not only heat radiations from electric arc, molten metal, and lining of high temperature, but also is washed and affected by chemical erosion due to high temperature and gas flow. In addition, it might be eroded by slag with high temperature. In， inside roof of EAF is more severely affected by heat load than …
Published in Journal of Thermal Engineering and Applications · Vol. 11, Issue 3, 2024 · pp. 11–17 Read article
-
DESIGNING AND ANALYSIS OF DIFFERENT TYPES OF FINS IN AIR COOLED ENGINE
Abstract: This paper is dedicated to the study of various shapes of extended surfaces, commonly known as fins, which are used on cylinder heads of internal combustion engines. Extended surfaces are used to improve heat dissipation from the object by increasing its effective surface area. Efficient heat dissipation is very important since proper cooling of an engine cylinder head helps to maintain optimal working temperatures, improves engine performance, increases service life, …
Published in Journal of Thermal Engineering and Applications · Vol. 13, Issue 1, 2026 · pp. 33–79 Read article
-
Evaporative Cooling By Using Different Porous Materials
Abstract: The method of evaporative cooling involves raising the air temperature by causing water vapour in an airstream to evaporate. Waterneeds the latent heat of vaporisation to evaporate, and this heat is produced by ambient air and a drop in air temperature. A porousmedium is necessary for both direct and indirect evaporative cooling in order to allow heat and mass transfer between the medium'swater and the air moving through it, or …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 2, 2022 · pp. 29–37 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
-
Implementations and Optimization in Design of Radiant Cooling Concept with Room Floor and Walls
Abstract: AbstractIn this paper, in order to accurately simulate room thermal performance, a coupling strategy between the room floor and wall with Computational Fluid Dynamics (CFD) simulation of the indoor airflow in a room, and the radiation heat transfer among the internal surfaces of its space and wall is calculated. Mostly research of radiant cooling is performed with radiant pipes in floors and ceiling, so we performed our analysis by installing …
Published in Journal of Thermal Engineering and Applications · Vol. 7, Issue 1, 2020 · pp. 15–23 Read article
-
Human Comfort inside the Vehicle by Using Internal Cooling Materials
Abstract: Human comfort is the most important aspect of the vehicle. Due to harsh sunlight and many other climatic conditions the human comfort level is breached. This breaching in the comfort level results in the abnormal physical conditions of the human. The occupants may feel uncomfortable which may cause unpleasant ride and journey. The most common problem encountered under this condition is the overheating of the vehicle -cabin due to parking …
Published in Journal of Nuclear Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 52–58 Read article
-
Comparative Cooling Analysis of EV Battery Packs using MATLAB Simscape
Abstract: Since electric vehicles (EVs) transition to high- voltage systems to enable quicker charging and enhanced delivery of power, the high heat emitted during rapid discharge is a significant challenge. This paper presents a direct comparative study of passive air cooling and active liquid cooling of a lithium-ion battery pack. Due to the high cost of constructing the physical prototypes, we created a computationally efficient and hierarchical virtual prototype in MATLAB …
Published in International Journal of Electrical and Communication Engineering Technology · Vol. 4, Issue 2, 2026 Read article
-
Prevention from Heat Exchanger Failure Analysis
Abstract: Abstract- Heat exchanger is the gear which is used to limit temperature of one technique fluid, which is preferred to cool, by using transferring heat to some other fluid which is favored to heat with or barring inter-mixing the fluid or altering the physical state of the fluid. There are a number of reasons by using which Heat exchanger can also fail. As they are used at huge vary of …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 3, 2019 · pp. 35–43 Read article
-
A Thermal Review and Simulation of An Earth Tube Heat Exchanger
Abstract: AbstractConventional energy is the renewable source of energy. It is the best source of energy and free in nature also in abundance. At the present situation, 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. So, Earth tube heat exchanger is a renewable source of energy for heating …
Published in Journal of Nuclear Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 1–10 Read article
-
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
-
Comprehensive Analysis and Investigation of Heat Treated AISI 4130 Steel on Surface Roughness in Turning Operation
Abstract: Now a days Heat treatment is one of the most important operations which alters the properties of the material such as hardness, strength, toughness, ductility, corrosion resistance, etc., and these are used according to the required material properties. These treatments are involving heating and cooling a specimen normally to extreme temperatures. These major processes are annealing, normalizing, hardening, case hardening, etc. In every process, the properties vary accordingly. Turning is …
Published in Journal of Experimental & Applied Mechanics · Vol. 13, Issue 3, 2022 · pp. 28–38 Read article
-
Performance Evaluation of Thermoacoustic Refrigeration System
Abstract: Today cooling technologies are going through a transformation phase. The advent of ozone layer depletion and global warming caused by the use of synthetic refrigerants has necessitated a search for alternative cooling technologies. Out of the several technologies which are emerging as alternatives, one technology that can provide cost effective refrigeration without using any of the environment degrading refrigerants is the thermoacoustic refrigeration system. Ideally, this device can be powered …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 1, Issue 1, 2014 · pp. 22–29 Read article
-
Physical Characterization of New Li-Ion Conducting NASICON Materials in the LI1+2XTA1-XALX+1(PO4)3 System
Abstract: AbstractFabrication of all-solid-state Li battery with non-flammable ceramics electrolyte has been strongly required to overcome safety issues of present Li batteries. One of the promising structures of ceramic electrolyte in solid state battery is the NASICON structure composed of 3 dimensional frameworks (s.g. R-3c). In this study, Li-ion conducting mixed metal phosphate Li1+2xTa1-xAlx+1(PO4)3, L Ta A P-x(x = 0 ~ 0.5) solid electrolyte that possess rhombohedra NASICON structure was prepared …
Published in Journal of Semiconductor Devices and Circuits · Vol. 6, Issue 3, 2019 · pp. 25–32 Read article
-
Assessment of Engine Performance with Perforated and Solid Fins
Abstract: Abstract Fins increases the heat transfer from a heat generated device by increasing the surface area of it. Fin with holes or perforated fins increases the surface area available for heat removal but also increases the intensity of the air flow, which further increases the heat removal. A two wheeler engine with fins having circular perforation has been designed in the present work. ANSYS 16.0 has been utilized to solve …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 3, 2016 · pp. 1–7 Read article
-
Performance Analysis of Heat Pump and Air Conditioning System Using R-32 Refrigerant & Theoretical Comparison With R-290 Refrigerant
Abstract: An extensive performance analysis of a heat pump air conditioning system for both cooling and heating applications is included in this research. The purpose of the research is to assess the system's overall performance, energy consumption, and efficiency under various operating scenarios. The research incorporates a range of experimental techniques. An overview of the heat pump air conditioning system's parts and operation is given at the outset of the examination. …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 3, 2024 · pp. 14–21 Read article
-
CFD Analysis of Electric Vehicles Battery Pack: A Research Study
Abstract: The goal of the project is to keep the battery temperature within the specified range and to improve the battery pack's performance under different temperature settings. To achieve these goals, we employ software to analyze the data and provide the necessary output. With model-based design, you can understand the dynamic behavior. For this project, a CAD model was produced with Creo Parametric. We used the STAR CCM+ Software for analysis …
Published in International Journal of Electrical Power and Machine Systems · Vol. 1, Issue 2, 2023 · pp. 28–32 Read article
-
Earth Tube Heat Exchanger for Space Heating and Cooling: a Review
Abstract: AbstractMaking heating and cooling policies for good climate regions societies should think the requirement of present cities as well as traditional agriculturalists. Successful heating and cooling modes must be economically reliable in both urban and rural areas setups as well as environmentally friendly and sustainable. One low energy option for conditioning space is to allow ambient air to pass through the earth pipe, which is long-buried tube inside the upper …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 9, Issue 2, 2019 · pp. 11–22 Read article
-
CFD Analysis of Six-Flow Microchannel Heat Sink Using the Different Nanofluid
Abstract: In this study, we compare the heat-conveying capabilities of ordinary water with those of cooling fluids such as Ag-Water, TiO2-water, and Al2O3-water nanofluid at a volume percentage of 0.50%, and we also examine the six flow micro-channels of the fin-equipped heat sink. Hardware like microprocessors and integrated circuits are not used in the comparison. To evaluate the effectiveness of different cooling fluids, a number of thermal metrics are used, such …
Published in Journal of Polymer & Composites · Vol. 11, Issue 11, 2023 · pp. 1–11 Read article
-
HVAC Design by Using Green Building Norms
Abstract: An HVAC system can be describing as a system which removes the heat from a desired space by pumping the heat from one place to another which result a cooling effect, also by lowering the temperature. HVAC work for a good indoor air quality by using latest filtering technologies. The major components of the HVAC system are, Heat exchanger, Evaporator coil, Thermostat, Refrigerant lines, Condensing unit, drain piping system, electrical …
Published in Journal of Production Research & Management · Vol. 11, Issue 3, 2021 · pp. 1–10 Read article