...Proceedings of the ASME 2023 International Mechanical Engineering Congress and Exposition IMECE2023 October 29-November 2, 2023, New Orleans, Louisiana IMECE2023-116409 INFLUENCE OF GEOMETRY AND MASS ON THE HEAT TRANSFER PROPERTIES OF A CASTED HEAT SINK Paulina Capela DEM, University of Minho 4800...

... Abstract The efficiency of compressed air energy storage (CAES) can be improved with water sprays to increase heat transfer during the compression and expansion processes for piston-based configurations. In general, direct injection is typically used for compression, but recent numerical...

... by the PCM and helps to dissipate its internal energy to the surroundings. The experimental study revealed a significant increase in the PCM-air aluminum fin cooling system compared to the traditional air-cooling system. Keywords: Phase change, cooling, batteries, heat transfer NOMENCLATURE Bi Biot number...

... Abstract Fluidic oscillators are used in several areas such as acoustics, fluid mechanics, and heat transfer. These devices generate sweeping jets with different frequencies, operating without the need for external forces. Therefore, this study aims to experimentally analyze the geometric...

... conducted adopting water as refrigerant in order to validate the technology used to realize the cooling jacket. rocket engines thermal control cooling systems heat transfer Proceedings of the ASME 2023 International Mechanical Engineering Congress and Exposition IMECE2023 October 29-November 2...

... stress resulting from friction force and phase change at the liquid-vapor interface, the impact of subcooling, and the influence of the convective boundary on film heat transfer. Vapor phase condensation in thermosyphons with relatively longer condenser lengths, where temperature variation is inevitable...

... Abstract In this work, slippery liquid-infused porous surfaces (SLIPS) and fluorosilane coatings are applied to amorphous silica nanospring (SN) structures grown on the surface of aluminum tubes to promote dropwise condensation and to enhance heat transfer performance during methanol...

..., the FVM toolbox can identify critical design parameters and provide insights into the effects of changes in cell geometry and inter-cell contact resistance on the thermal behavior of LIBs. lithium-ion batteries thermal runaway contact resistance safety heat transfer numerical modeling finite...

... by the core of said transformer. The current mineral oil that is used is a dielectric, that restricts the ability to conduct electricity, and is widely used since the thermal properties of the mineral oil are high compared to the low cost of the mineral oil itself. The improvement in the heat transfer...

... Abstract The dynamics for the fluid flow and heat transfer in spray forming process is theoretically analyzed and the controlling equations of the flow and heat transfer are derived. The shape/geometry and the solidification profiles such as temperature and remained liquid in the preform...

... = 2 for square downstream cylinder. Results give a deep insight into heat transfer getting changed by changing different parameters and will make a base for future study of tube bundles in heat exchangers with FIV. FIV unsteady flows heat transfer finite element method heat exchangers flow...

... Abstract In this study, two-dimensional numerical analysis was done to investigate the influence of surface roughness on the heat transfer and flow characteristics for a circular cylinder subjected to crossflow. Numerical solution of the URANS and energy equation was sought using Ansys Fluent...

... Abstract This work numerically investigates the effect of FIV on the heat transfer performance of three heated tandem cylinders at different spacing ratios and reduced velocity. The simulation is performed at Reynolds number Re = 100, Prandtl number Pr = 0.7. The three elastically mounted...

... through out-of-autoclave molds. large scale additive manufacturing carbon-fiber reinforced composites 3D printing heat transfer thermal analysis wire embedding out-of-autoclave manufacturing composite mold Proceedings of the ASME 2022 International Mechanical Engineering Congress...

... robot. In this study, we focus on constructing simulation models using ANSYS Fluent to examine the parameters relevant to our intended design. We also present a prototype to be tested in the future work. soft robot rehabilitation phase changing material heat transfer CFD 3D printing...

... century, advanced optical techniques have recently been used in multiphase flows and phase change heat transfer studies (e.g., boiling, evaporation, and condensation). In this review, the optical techniques that are used in micro/nanoscale heat transfer, (e.g., phase change, dropwise condensation...

... Abstract An experimental study was conducted to compare heat transfer performance between three micro fin array configurations for transient and steady periodic operation. The study evaluates the time a microchannel takes to reach steady-state conditions for a given flow rate and heat input...

... sensitive paint (PSP), eliminating the inherent conduction errors of steady-state heat transfer experiments and providing highly resolved measurements. However, both the effectiveness and heat transfer coefficient are necessary to calculate the heat flux for a given film cooling configuration and fully...

... Abstract A numerical study has been performed to analyze the wall heat transfer mechanisms during growth of three vapor bubbles inside a microchannel. Flow through microchannel is a subject of extensive study due to its widespread applications in thermal engineering and biological sciences...

... Abstract A magnetic field can interact with a conductive fluid to form a magnetohydrodynamic effect, which can change the flow and heat transfer characteristics of the fluid. This introduces broad application prospects for magnetic field control of conductive gases in tubes, which is useful...