通过电动力学微封装的化六水合物在嵌入涂料涂层中的甲外中进行被动热调节
Arindam Dey1, Ansuman J Mahakul1, Somenath Ganguly1
1Department of Chemical Engineering, Indian Institute of Technology Kharagpur-721302 West Bengal India snganguly@che.iitkgp.ac.in.
RSC advances
|December 8, 2025
概括
油漆涂层中的微封装无机相变材料 (MPCM) 有效调节热能. 这项研究证明了MPCMM.
科学领域:
- 材料科学 材料科学 材料科学
- 热力工程是热力工程中的一个.
- 纳米技术 纳米技术
背景情况:
- 变相材料 (PCM) 对于热能储存和调节至关重要.
- 微封装增强了PCM的稳定性和在各种系统中的应用性.
- 为建筑应用开发高效的微封装PCM (MPCMs) 是一个活跃的研究领域.
研究的目的:
- 为了证明嵌入在油漆涂层中的微封装无机相变材料 (MPCM) 的热调节性能.
- 为了研究热流和MPCM负载对相变过程的影响.
- 评估MPCM性能在多个融化结周期中的耐用性.
主要方法:
- 微封装CaCl2·6H2O使用电动力原子化与甲凝前体.
- 对MPCM粒子大小 (398纳米平均直径) 和外厚度 (26.5纳米) 的表征.
- 不同扫描热量计 (DSC) 分析相变行为.
- 实验设置涉及板上的片加热器与MPCM注入的油漆来模拟热流 (∼200 W m-2).
主要成果:
- 成功的微封装CaCl2·6H2O产生了纳米尺寸的MPCM粒子.
- 在施加的热量流和不同的MPCM负载下量化了现场MPCM的化.
- 这项研究评估了重复的融化结周期对热调节性能的影响.
结论:
- 嵌入涂料涂料中的MPCM显示出被动热调节的显著潜力.
- 电动力原子化方法是生产高质量的MPCM的有效方法.
- 进一步的研究可以优化MPCM负载和配方,以提高建筑能效.
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