Journal of Thermal Science and Engineering Applications: Recent submissions
Now showing items 521-540 of 1661
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Phase Change and Heat Transfer Analysis of Different Refrigerants During Condensation in Minichannel Using a Novel Numerical Approach
(The American Society of Mechanical Engineers (ASME), 2022)This paper analyses the condensation heat transfer phenomena in minichannel using acetone, ammonia, propylene, and R134a as the working fluids used in new-age space applications. A novel numerical model is developed ... -
The Effect of Wind Screens on the Performance of an Induced Draft Air-Cooled Condenser Under Windless and Windy Conditions
(The American Society of Mechanical Engineers (ASME), 2022)Wind generally reduces the thermal effectiveness of air-cooled condensers (ACCs). Therefore, this study investigates wind screens as a means to improve the performance of a 20-fan induced draft ACC under windy conditions. ... -
Convective Performance of C5-Flouroketone-Based (C5-FK) and C4-Flouronitrile-Based (C4-FN) Gas Mixtures and SF6
(The American Society of Mechanical Engineers (ASME), 2022)SF6 is a widely used insulating gas in the electric power industry due to its high dielectric strength. However, SF6 is classified as a greenhouse gas and has a very high global warming potential (GWP). Much research and ... -
Cooling Characteristic of an Infrared Suppression Device With Single Perforated Funnel: A Computational Fluid Dynamics Approach
(The American Society of Mechanical Engineers (ASME), 2022)An infrared suppression (IRS) device is integral to any gas turbine used in naval and cargo ships. Estimating an IRS device’s cooling characteristics is essential to start the maintenance operation. Thus, this article ... -
Recent Progress and Challenges in Microscale Urban Heat Modeling and Measurement for Urban Engineering Applications
(The American Society of Mechanical Engineers (ASME), 2022)This review focuses on progress and emerging challenges in experimentally validated modeling of microscale urban thermal environments over the last two decades. In the last few decades, there has been a surge in urban ... -
Importance of TemperatureDependent NonNewtonian Fluid in Conventional Thermal Processing
(The American Society of Mechanical Engineers (ASME), 2023)Computational fluid dynamics (CFD) simulation provides fullfield variables, enabling a better understanding of flow physics and associated heat transfer. However, assumptions involved in CFD simulation should not affect ... -
Novel NonFourier Ice Heat Conduction Model Considering Latent Heat Via Specific Heat Capacity Functionalization and Its Potential Application
(The American Society of Mechanical Engineers (ASME), 2023)Proton exchange membrane fuel cells are widely used in the automotive and aviation fields due to their high efficiency and environmental friendliness. However, the long starting time of fuel cell vehicles at low temperatures ... -
Coupling Phenomenon Between Fugitive Dust and HighTemperature Tail Gas: A Thermal Infrared Signature Study
(The American Society of Mechanical Engineers (ASME), 2023)Fugitive dust, a physical factor commonly encountered in battle, would interact with the tail gas of armored vehicles during the diffusion process to affect infrared characteristics of tail gas and infrared detection ... -
Thermodynamic Optimization of Subcritical and Supercritical Organic Rankine Cycle Power Plants for Waste Heat Recovery in Marine Vessels
(The American Society of Mechanical Engineers (ASME), 2023)This study was aimed at comparing the optimal thermodynamic performance of subcritical and supercritical organic Rankine cycle (ORC) plants for waste heat recovery from ship engines. The technical impacts of adopting a ... -
Flow and Heat Transfer Characteristics and Field Synergy Analysis on the Corrugated Plate With Pitches
(The American Society of Mechanical Engineers (ASME), 2022)The influences of corrugation pitches on the flow and heat transfer characteristics of corrugated plates are numerically investigated and assisted by field synergy theoretical analysis. The results indicate that the groove ... -
Simulation of Heat and Mass Transfer in Pulverized Coal Boiler Based on Gaseous Combustion Through Phase Separation Technique
(The American Society of Mechanical Engineers (ASME), 2022)In order to meet the current environmental protection ultralow pollutant emission requirements, onestep combustion is changed into twostep combustion by splitphase gasification combustion technology, and doublefurnace ... -
Thermodynamic Performance Analysis of Conductive Cylindrical Funnel With Surface Radiation in an Infrared Suppression Device
(The American Society of Mechanical Engineers (ASME), 2022)The current research looks at the thermodynamic performance analysis of an infrared suppression (IRS) system for warships, battleships, and ocean liners. ansys fluent 15.0 is used to solve governing differential equations ... -
Natural Convection and Radiative Heat Transfer From Constant Surface Area Vertical Helical Coils: Effect of Pitch and Height
(The American Society of Mechanical Engineers (ASME), 2022)In this work, numerical simulations are carried out to delineate the natural convection and surface radiation heat transfer characteristics of vertically oriented isothermal helical coils having a constant surface area. ... -
Numerical Investigation of the Effect of Heat Sinks With Various Fin Geometries on the Performance of a Thermoelectric Generator
(The American Society of Mechanical Engineers (ASME), 2022)In this study, the effect of heat sink geometries on the performance of a thermoelectric generator was researched. In this context, fins with different geometries (flat fin, square pin fin, hexagonal pin fin, and circle ... -
Effects of JettoTarget Surface Spacing and PinFin Height on Jet Impingement Heat Transfer in a Rectangular Channel
(The American Society of Mechanical Engineers (ASME), 2022)An experimental study was completed to quantify heat transfer enhancement, pressure loss, and crossflow effect within a channel of inline impinging jets. The jet diameter is 5.08 mm; the jettojet spacings in the streamwise ... -
Thermal Behavior of Conical Friction Element Under Different Contact Pressure Boundaries
(The American Society of Mechanical Engineers (ASME), 2022)The high temperature generated on the contact interfaces of the conical friction element in clutches due to the sliding frictional heat should be responsible for the synchronization failure. In this study, an analytic model ... -
Heat Transfer in a Rotating, BladeShaped, TwoPass Cooling Channel With Various 45Deg Rib Turbulators and a Tip Turning Vane
(The American Society of Mechanical Engineers (ASME), 2022)This work experimentally studied a rotating, bladeshaped, twopass cooling channel with various 45deg rib turbulators and a tipturning vane. The first passage of the cooling channel has an aspect ratio (AR) = 4:1 with the ... -
HeatPipeAssisted Air Cooling of LithiumTitanate Prismatic Battery
(The American Society of Mechanical Engineers (ASME), 2022)The battery thermal management system (BTMS) is essential for lithiumion batteries. At high application loads, excessive heat generation reduces the battery performance drastically and is also dangerous if the temperature ... -
EnergyEconomic and ExergyEnvironment Performance Evaluation of Compact Heat Exchanger With Turbulator Passive Inserts Using THDNF
(The American Society of Mechanical Engineers (ASME), 2022)Technology innovation requires advanced heat transporting techniques to fulfill better exergy and economic behavior of compact air heat exchangers (HXs). Three different turbulator inserts, TTIs, PTTIs, and DTTIs (twisted ... -
Effects of Blowing and Density Ratios on Unsteady Film Cooling Effectiveness Using FastResponse PressureSensitive Paint
(The American Society of Mechanical Engineers (ASME), 2022)The transient effect of unsteady wakes on film cooling effectiveness using a fast response pressure sensitive paint (PSP) was studied. Testing was performed in a fivepassage, lowspeed wind tunnel using a scaledup high ...