Journal of Thermal Science and Engineering Applications: Recent submissions
Now showing items 81-100 of 1432
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Flow and Heat Transfer Characteristics in the Entry and Stabilized Flow Regions of a Circular Channel Rotating About a Parallel Axis
(The American Society of Mechanical Engineers (ASME), 2024)Cooling of heavy-duty electrical machines such as generators and motors is crucial for the smooth operations without thermal runaway. A commonly employed technique for the cooling of rotors in these machines is to place ... -
Effects of Channel Flow Blockage on Metal Foam Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2024)High porosity aluminum foams have the potential to dissipate large heat flux in a channel flow configuration due to their large surface area-to-volume ratio and the ability to enhance mixing due to flow tortuosity. It is ... -
A Novel Plate Fin Heat Sink Design With Rectangular Slots and Interruptions: A Computational Approach
(The American Society of Mechanical Engineers (ASME), 2024)In the present work, we have studied the performance of vertical plate finned heat sinks that protrude from a vertical base. The difference between the heat sink base temperature and the ambient, i.e., ΔT, has been varied ... -
Phase Transition Heat Transfer Enhancement of a Graphene-Coated Microporous Copper Surface Using Two-Step Electrodeposition Method
(The American Society of Mechanical Engineers (ASME), 2024)Owing to their exceptionally high thermal conductivity, there is a growing demand for graphene nanoparticles in phase transition heat transfer applications. This research delves into the exploration of various critical ... -
Performance Analysis of a Compact Offset Strip Fin Heat Exchanger for Lubrication System in Aero Engine
(The American Society of Mechanical Engineers (ASME), 2024)As a typical fuel-oil heat exchanger, an offset strip fin heat exchanger (OSFHX) can ensure the efficient and stable operation of the aero engine lubrication system. The paper establishes 20 kinds of numerical models of ... -
Prediction of Critical Heat Flux in Tube Bundles With Crossflow
(The American Society of Mechanical Engineers (ASME), 2024)Evaporators and boilers with flow across horizontal tube bundles are widely used in industries including refrigeration and chemical processing. As yet there is a lack of a well-verified correlation for predicting local or ... -
Entropy Generation of R513A Condensation Flow Inside the Horizontal Microfin Tubes
(The American Society of Mechanical Engineers (ASME), 2024)It is widely acknowledged that the pressure drop increases with enhanced heat transfer in heat exchanger tubes, and entropy generation analysis serves as an effective method to comprehensively evaluate heat transfer and ... -
An Experimental Investigation of Sintered Particle Effect on Heat Transfer Performance in an “Annular Flow” Evaporation Tube
(The American Society of Mechanical Engineers (ASME), 2024)Wicking structures have been widely used within passive heat transfer devices with high heat fluxes, such as heat pipes, to enhance their thermal performance. While wicking structures promote capillary pumping of the working ... -
Combustion of Raw Biogas/Hot Air in a Porous Radiant Burner and Performance Prediction Using a Machine Learning Algorithm
(The American Society of Mechanical Engineers (ASME), 2024)Combustion of raw biogas/hot air was performed in a porous radiant burner associated with a solar heater, and performance was predicted by a linear regression model using a machine learning algorithm. The test was conducted ... -
Wall Heat Transfer Characteristic of Parallel-Plate Channel Filled With Open-Cell Metal Foams in Large Flow Velocity Range
(The American Society of Mechanical Engineers (ASME), 2024)High-porosity open-cell metal foams can be utilized to fill parallel-plate channels for achieving efficient cooling performance. A wall heat transfer model considering viscous and inertial heat effects is given based on ... -
Bubble Interaction and Heat Transfer Characteristics of Microchannel Flow Boiling With Single and Multiple Cavities
(The American Society of Mechanical Engineers (ASME), 2024)Flow boiling in microchannels can effectively address the challenges of high power density heat dissipation in electronic devices. However, the intricate bubble dynamics during the two-phase flow in microchannel necessitates ... -
Thermo-Hydrodynamic Performance Evaluation of a Mini-Channel Inserted With TPMS-Based Porous Lattice
(The American Society of Mechanical Engineers (ASME), 2024)The coupled pore-scale and Darcy-scale numerical simulations are used in this work to investigate heat transport and hydrodynamic characteristics within a porous channel constructed by using a primitive lattice based on ... -
Investigation on the Influence of the Condenser Length and Its Coupling Effect With Elevation on the Performance of Loop Heat Pipe
(The American Society of Mechanical Engineers (ASME), 2024)The effects of condenser length and evaporator/condenser elevation on the performance of a loop heat pipe (LHP) in a gravity field were investigated, respectively, as well as their coupling effect. The refrigerant R40 was ... -
Effect of Buoyancy Force in Phase Change Material-Based Metal Hydride Reactor
(The American Society of Mechanical Engineers (ASME), 2024)In Phase Change Material (PCM) simulations, buoyancy force is used to capture the melting contour. However, for the sake of simplicity, most of the PCM-based Metal Hydride (MH) simulations have ignored the influence of ... -
Analysis and Optimization of a Biomass Heated Two-Stage Desiccant Cooling System Used for Greenhouse Cultivation in Hot and Humid Climates
(The American Society of Mechanical Engineers (ASME), 2024)This paper presents a multi-objective optimization of a biomass heating-based two-stage desiccant-supported greenhouse cooling system used for Orchids cultivation in hot and humid weather conditions. The simulation model ... -
The Optimization of Distribution and Fan Parameters in Heat Treatment Furnaces Through the Integration of Numerical Simulation and Machine Learning
(The American Society of Mechanical Engineers (ASME), 2024)The present study employed numerical simulation technology to investigate the distribution of workpieces within a low-temperature trolley heat furnace and analyze the influence of circulating fan parameters on heat treatment ... -
Ignition of Aircraft Combustible Fluids by Hot Surface Under Ventilation
(The American Society of Mechanical Engineers (ASME), 2024)Flight-fire is a crucial factor that affects the safety of aircraft. It mainly results from combustible fluid leakages on hot surfaces. Hence, this study investigates the ignition probability of a droplet on a hot surface ... -
Thermal Hydraulic Analysis of Turbulent Flow of Superheated Steam Through Multiple Configurations of 3D Angular Piping Bend in Power Plant Installations
(The American Society of Mechanical Engineers (ASME), 2024)One of the most vulnerable parts in high-pressure and temperature pipeline networks in steam turbine power plant installations is pipe bends, due to intense fluctuation of velocity and pressure of the superheated steam ... -
Heat Dissipation Analysis and Optimization of Gas Turbine Box Based on Field Synergy Principle
(The American Society of Mechanical Engineers (ASME), 2024)To improve the heat dissipation and cooling effect of the box and ensure the safe and stable operation of the gas turbine, research on the control and optimization of heat dissipation within the main box of the gas turbine ... -
Efforts to Identify the Most Suitable RANS Turbulence Model for Accurate Conjugate Heat Transfer Prediction in Regenerative Cooled Nozzles
(The American Society of Mechanical Engineers (ASME), 2024)This study presents a two-part numerical study aimed at improving the prediction and understanding of regenerative cooling in supersonic nozzles. The first objective was to identify the most appropriate Reynolds-averaged ...