材料科学
复合数
相变材料
复合材料
相变
纤维
工程类
工程物理
作者
Güliz Öztürk,Ali Temiz,Gökhan Hekimoğlu,Mustafa Aslan,Gaye Köse Demirel,Özge Nur Erdeyer,Ahmet Sarı,Osman Gençel,Serkan Subaşı
标识
DOI:10.1016/j.est.2024.110911
摘要
This work is aimed to produce a novel energy effective-composite material was prepared for building thermal energy storage (TES) purposes by incorporating microencapsulated phase material (MicroPCM) into a wood fiber-starch (WFC). Characterization studies on the MicroPCM/WFC material included the assessments of microstructures via scanning electron microscope (SEM) and chemical structures using Fourier transform infrared spectrometer (FT-IR). The TES characteristics and thermal stability were determined through differential scanning calorimeter (DSC) and thermo-gravimetric analysis (TGA) techniques, respectively. The thermal conductivity and internal bonding strength properties of fabricated MicroPCM/WFC(50 wt%) composite was also evaluated as well as investigating its thermoregulation performance in lab-scale. SEM analysis confirmed a uniform structure with intact MicroPCM particles in the composite. DSC findings exposed the suitability of the composite for building TES practices. Thermal cycling examination revealed that the composite still well-preserved its TES features after 600 heating and cooling cycles. Additionally, the composite showed a thermal conductivity of 0.1041 W/mK and an internal bonding strength of 0.04 N/mm2. Furthermore, thermoregulation performance test indicated that the introduction of MicroPCM in the WFC effectively reduced room temperature fluctuations compared to WFC without MicroPCM. The results suggest that the developed MicroPCM/WFC composite serves as a potential green solution for enhanced energy savings in building applications.
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