本文利用有机相变材料石蜡高熔化潜热,结合金属多孔纤维毡高渗透率、高导热系数的优点,搭建金属纤维毡内由-液相变强化换热实验台.研究了填充石蜡对换热的强化效果以及纤维毡孔隙率和孔径对加热面温度以及相界面位置变化的影响.结果表明,在相同的热密度下,填充石蜡可以有效强化多孔纤维毡换热,显著降低加热面温度.表面温度随孔隙率和纤维直径增加而增加.
参考文献
| [1] | W. Q. Li;Z. G. Qu;Y. L. He;W. Q. Tao.Experimental and numerical studies on melting phase change heat transfer in open-cell metallic foams filled with paraffin[J].Applied thermal engineering: Design, processes, equipment, economics,2012:1-9. |
| [2] | C.Y. Zhao;G.H.Zhang .Review on micfoencapsulated phase change materials (MEPCMs): Fabrication, characterization and applications[J].Renewable & sustainable energy reviews,2011(8):3813-3832. |
| [3] | K. Lafdi;O. Mesalhy;S. Shaikh .Experimental study on the influence of foam porosity and pore size on the melting of phase change materials[J].Journal of Applied Physics,2007(8):083549.1-083549.6. |
| [4] | Wojcik, TM .Experimental investigations of boiling heat transfer hysteresis on sintered, metal - Fibrous, porous structures[J].Experimental Thermal and Fluid Science,2009(3):397-404. |
| [5] | Xavier Py;Regis Olives;Sylvain Mauran .Paraffin/porous-graphite-matrix composite as a high and constant power thermal storage material[J].International Journal of Heat and Mass Transfer,2001(14):2727-2737. |
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