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3D打印建筑墙壁的填充图案对其隔热的影响
Paweł Dziura1, Marcin Maroszek1, Mateusz Góra1
1Faculty of Materials Engineering and Physics, Cracow University of Technology, Warszawska 24, 31-155 Kraków, Poland.
Materials (Basel, Switzerland)
|September 9, 2023
概括
优化3D混凝土打印 (3DCP) 设计可以提高隔热. 模拟和实验表明几何学显著影响U因素,最好的解决方案符合波兰建筑标准的节能建筑.
科学领域:
- 材料科学与工程 材料科学与工程
- 可持续建筑技术 可持续建筑技术
- 建筑物理与能源效率的研究
背景情况:
- 3D混凝土打印 (3DCP) 越来越多地被采用在建筑中,需要对受控材料属性进行过程优化.
- 增材制造提供了满足强度,美学和绝缘要求的建筑部件的自动化生产.
- 计算机模拟可以预先评估元素属性,改善构建隔墙的设计过程.
研究的目的:
- 根据垂直隔断层几何学和材料组成,评估3DCP产品的绝热性能.
- 为了验证有限元法 (FEM) 模拟与实验测量导热性的实验测量.
- 确定3DCP墙壁的最佳空间几何形状,以提高能源效率和满足建筑标准.
主要方法:
- 通过3DCP.制作的垂直隔壁设计了八种新的填充模式.
- 进行了有限元法 (FEM) 模拟,以分析导热性.
- 在物理样本上进行热导率的实验测量.
主要成果:
- 在不同材料中,FEM模拟显示了高精度和与实验结果的一致性.
- 分隔壁的几何变化导致U因子的显著差异,FEM分析显示相同尺寸和材料的变化高达61%.
- 最佳的空间几何学实现了0.183W/m2K的U系数,满足了波兰建筑法规的要求.
结论:
- 该研究验证了使用FEM模拟来预测3DCP元件的热性能.
- 特定的空间几何形状显著增强了热绝缘,使节能和减少废物成为可能.
- 结果为选择符合标准并提高能源效率的3DCP墙壁最佳设计提供了基础.
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