Molecular Dynamics Method for Microscale Heat Transfer

Molecular Dynamics Method in Microscale Heat Transfer

Molecular dynamics methods in microscale heat transfer

In normal heat transfer and fluid flow calculations, the fluid phases are treated as being continuous with properties such as viscosity and thermal conductivity being assumed to be only a function of local pressure, composition and temperature in the flow domain. However, as the size of the flow domain (the channel) becomes smaller and smaller, the continuum treatment breaks down since, in real...

Thermal conductivity calculation of magnetite using molecular dynamics simulation

In the current research, thermal conductivity of magnetite (Fe3O4) has been calculated using molecular dynamic simulation. The rNEMD Molecular Dynamics Method provided in the LMMPS package is used for the simulation of the thermal conductivity. The effects of magnetite layer size and temperature on the thermal conductivity have been investigated. The numerical results have...

Investigation on thermal behavior of common types of roofs in buildings using computational fluid dynamics method

In this study, the influence of type and structure of different roofing systems were investigated using computational fluid dynamic method. The considered roofing systems include beam and block types (clay brick, light weight concrete block, polystyrene) and Uboot slab which were designed for 6m and 8m span. To simulate the fluid flow and heat transfer, the computational fluid dynamic method wa...

Cooling Performance Analysis of Water-Cooled Heat Sinks with Circular and Rectangular Minichannels Using Finite Volume Method

In this paper, the cooling performance of water-cooled heat sinks for heat dissipation from electronic components is investigated numerically. Computational Fluid Dynamics (CFD) simulations are carried out to study the rectangular and circular cross-sectional shaped heat sinks. The sectional geometry of channels affects the flow and heat transfer characteristics of minichannel heat sinks. T...