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首页> 外文期刊>Journal of porous media >INFLUENCE OF VOLUMETRIC FIBER FRACTION AND HEATING TEMPERATURE ON HEAT TRANSFER CHARACTERISTICS OF LATENT HEAT STORAGE PARAFFIN WITH ALUMINUM FIBER MATERIALS
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INFLUENCE OF VOLUMETRIC FIBER FRACTION AND HEATING TEMPERATURE ON HEAT TRANSFER CHARACTERISTICS OF LATENT HEAT STORAGE PARAFFIN WITH ALUMINUM FIBER MATERIALS

机译：体积分数和加热温度对含铝纤维隐热存储石蜡传热特性的影响

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摘要

Paraffin is used as a latent heat energy storage material because it has relatively high latent heat and various melting points. However, the low thermal conductivity of paraffin leads to more time in latent heat storage and release processes. Therefore, it is necessary to improve the latent heat storage and release processes of paraffin. It is noted that metal fiber materials are mixed with paraffin in order to enhance the effective thermal conductivity of paraffin. The present investigation experimentally deals with the heat storage and heat release process of paraffin with metal fiber materials as a function of the volumetric fiber fraction and heating temperature. As a result, the heat release characteristic of paraffin with metal fiber materials was improved by enhanced effective thermal conductivity. On the other hand, the heat storage process of paraffin with metal fiber materials was influenced by the natural convection flow, and the heat storage process was not improved because of the interaction between the enhanced effective thermal conductivity and suppression of the natural convection flow by the metal fiber materials.
机译：石蜡被用作潜热能量存储材料，因为其具有相对较高的潜热和各种熔点。然而，石蜡的低导热率导致潜热储存和释放过程中更多的时间。因此，有必要改善石蜡的潜热储存和释放过程。注意，金属纤维材料与石蜡混合以增强石蜡的有效导热率。本研究实验性地研究了石蜡与金属纤维材料的储热和放热过程，它是纤维体积分数和加热温度的函数。结果，石蜡与金属纤维材料的放热特性通过提高有效导热率而得到改善。另一方面，石蜡与金属纤维材料的储热过程受到自然对流的影响，并且由于提高了有效导热率和抑制自然对流的相互作用，因此储热过程没有得到改善。金属纤维材料。

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