Utilization of Form-Stable Paraffin/Nano-Silica Phase Change Materials for Thermal Energy Storage Enhancement in Mortar
Journal: International Journal of Advanced Engineering Research and Science (Vol.11, No. 04)Publication Date: 2024-04-16
Authors : Rasidul Islam Xiangyu Li;
Page : 01-09
Keywords : Cement-Based Materials; Paraffin; Silica; Thermal Conductivity; Thermal Control Effect Test.;
Abstract
This research explores the utilization of form-stable paraffin/nano-silica phase change materials (PCMs) to improve thermal energy storage in mortar. The composite PCM, comprising paraffin enclosed within a nano-silica framework, offers enhanced stability and compatibility with mortar compared to traditional PCM systems. Experimental investigations were conducted to assess the thermal performance and mechanical properties of mortar specimens incorporating varying concentrations of form-stable PCM. Thermal conductivity, heat storage capacity, and mechanical strength were analysed through thermal cycling tests and mechanical testing methods to understand the impact of PCM content. Results demonstrate that integrating form-stable paraffin and nano-silica PCMs enhances thermal energy storage capabilities in mortar while minimally affecting mechanical strength. Moreover, the nano-silica matrix facilitates better dispersion and adhesion of paraffin particles within the mortar matrix, addressing concerns related to PCM leakage and separation during hydration. This study underscores the viability and efficacy of employing form-stable paraffin and nano-silica PCMs to enhance thermal energy storage in mortar, offering a promising avenue for sustainable and energy-efficient construction materials.
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Last modified: 2024-04-16 16:58:28