Molecular Dynamics Method in Microscale Heat Transfer

Molecular Dynamics Method for 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...

Comparison of Heat Transfer Power of the Cooling Panel with Square Cross Section and Circular Cross Section in Electric Arc Furnaces Steelmaking by the use of Computational Fluid Dynamics

Steel pipes with circular cross-sections are usually used in cooling panels of electric arc furnaces. In the present study pipes with square cross-sections under equivalent conditions were used to obtain more information on the possibility of increasing the heat transfer and cooling efficiency. The results showed increased efficiency of the square pipe compared to the circular cross-section pip...