Yamamoto Tatsuhiro, Ozaki Akihito, Aratsu Keigo, Fukui Ryo
Faculty of Human-Environment Studies, Kyushu University, 744 Motooka Nishi-ku, Fukuoka City, Fukuoka, 819-0395, Japan.
Heliyon. 2023 Jul 11;9(7):e18092. doi: 10.1016/j.heliyon.2023.e18092. eCollection 2023 Jul.
The use of radiant panels in homes has increased recently because they do not cause a drafty feeling, unlike air conditioners. However, air conditioners are more power-efficient than radiant panels and have a higher coefficient of performance (COP). Therefore, combining radiant panels and air conditioning can provide an optimal solution for thermal control in residences. Energy simulation (ES) and computational fluid dynamics (CFD) can be used to simulate such environments. ES is suitable for non-steady state calculations, and combined with appropriate modeling, enables an accurate estimation of power consumption. Effective dehumidification becomes necessary, during summer as the relative humidity in a room increases. Both air conditioners and radiant panels can achieve this. This study developed a simulation tool that incorporates the effects of dehumidification. Based on a relative evaluation, a case was proposed where both energy efficiency and comfort were satisfied by jointly using air conditioners and radiant panels. The study found that a small number of panels could achieve the most balanced operation. The results of this study can serve as a reference for general housing, and the developed simulation tool can be applied to product development and building material design.
近年来，家庭中辐射板的使用有所增加，因为与空调不同，它们不会产生通风不畅的感觉。然而，空调比辐射板更节能，性能系数（COP）更高。因此，将辐射板与空调相结合可以为住宅的热控制提供最佳解决方案。能量模拟（ES）和计算流体动力学（CFD）可用于模拟此类环境。ES适用于非稳态计算，并结合适当的建模，能够准确估计功耗。在夏季，随着房间内相对湿度的增加，有效的除湿变得必要。空调和辐射板都可以做到这一点。本研究开发了一种纳入除湿效果的模拟工具。基于相对评估，提出了一个通过联合使用空调和辐射板来满足能源效率和舒适度的案例。研究发现，少量的辐射板可以实现最平衡的运行。本研究结果可为普通住宅提供参考，所开发的模拟工具可应用于产品开发和建筑材料设计。
