Numerical study of heat transfer enhancement in a pipe filled with porous media by axisymmetric TLB model based on GPU
Numerical simulations have been carried out to investigate the heat transfer enhancement for fluid flow in a pipe partially filled with porous media. The new axisymmetric lattice Boltzmann model is used to calculate the fluid flow and heat transfer characteristics in a pipe filled with porous media....
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| Veröffentlicht in: | International journal of heat and mass transfer 2014-03, Vol.70, p.1040-1049 |
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| container_title | International journal of heat and mass transfer |
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| creator | Rong, Fumei Zhang, Wenhuan Shi, Baochang Guo, Zhaoli |
| description | Numerical simulations have been carried out to investigate the heat transfer enhancement for fluid flow in a pipe partially filled with porous media. The new axisymmetric lattice Boltzmann model is used to calculate the fluid flow and heat transfer characteristics in a pipe filled with porous media. The proposed algorithm is implemented on the Graphics Processing Unit (GPU) using NVIDIA’s CUDA for a high calculating speed. Finally, the effects of several parameters, such as porous layer thickness, Darcy number and porosity, on thermal conductivity efficiency are investigated. It is found that controlling the thickness of the porous media can significantly improve heat transfer performance and the influence of porosity is very small both on flow field and temperature field when other parameters are fixed. |
| doi_str_mv | 10.1016/j.ijheatmasstransfer.2013.11.028 |
| format | Article |
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| subjects | Axisymmetric Computational fluid dynamics Fluid flow Fluids Graphics Processing Unit Heat transfer Heat transfer enhancement Lattice Boltzmann method Mathematical models Media Pipe Porous media |
| title | Numerical study of heat transfer enhancement in a pipe filled with porous media by axisymmetric TLB model based on GPU |
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