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有透明围护结构的中庭具有“温室效应”和上部空间热量堆积的特点,特别是竖直方向上有明显的温度梯度。以某博物馆的中庭及与其相通的走廊为研究对象,利用CFD软件模拟了夏季3种工况、冬季2种工况下的热环境,并对夏季3种工况进行了能耗分析。建议在夏季,将中庭及与其相连的走廊作为一个整体进行空调设计,上层空调机组承担较多的负荷,下层空调机组承担较少的负荷;在冬季,中庭地面设置地板辐射供暖。
The atrium with a transparent enclosure has the characteristic of “greenhouse effect” and accumulation of heat in the upper space, especially with obvious temperature gradient in the vertical direction. Taking the atrium of a museum and its corridors as the research object, CFD software was used to simulate the three conditions in summer and two kinds of conditions in winter, and the energy consumption was analyzed in three conditions in summer. It is suggested that in the summer, the atrium and the corridor connected with it should be air-conditioned as a whole. The upper air-conditioning units bear more load while the lower air-conditioning units bear less load. In winter, the atrium floor is provided with floor radiant heating.