摘 要   用于住宅或办公楼的空调室外机组通常安装在侧墙或屋顶上。由于空调室外冷凝机组释放的热量会使上部楼层周围
环境空气温度升高，这将导致建筑有限空间内温度的明显升高，使环境不舒适度和空调机组的运行能耗增加。室外冷凝机组
离墙的安装距离是影响机组效率的一个重要因素。 采用flunet软件研究了高层住宅建筑第一层的室外冷凝机组离墙的安装距
离对有限空间内流体的流动和温度分布的影响，得出了不同空间尺寸下室外冷凝机组离墙安装的最佳距离，为优化气流分布
和提高机组效率提供了有效的技术支持，且对工程实践具有重要的指导意义。
关键词  高层建筑   室外机组   释放热   数值模拟   安装位置
 
NUMERICAL SIMULATION ON OPTIMUM INSTALLATION
LOCATION OF OUTDOOR CONDENSING UNITS FOR
AIR-CONDITIONER
Zhang Zhen1
  Tong Lige11
  Yin Shaowu1
  Wang Li
1
  Zhao Jie1
 
Yue Xianfang1
  Zhang Beisheng2
 
(1 Institute of Mechanical Engineering, Beijing University of Science and Technology, Beijing,
100083; 2 BEIJING GAUGING CONSULTANTS CO.,LTD, Beijing, 100089)
 
Abstract    Air-conditioners used in residential or office buildings often have the outdoor condensing units installed at
the sidewalls or on the roofs. As a result of air-conditioner condensing units on the top floors suffering from an elevated
ambient air temperature due to the heat rejected from the condensing units below, it will cause temperature rise in the
confined space of a high-rise building, lead to uncomfortable thermal environment and deteriorative performance of the
air-conditioning system. Installation distance from the wall is an important factor that affects the performance of the
air-conditioning system. FLUENT software is applied to simulate the effect of the distance from the sidewall on the
fluid  flow and temperature distribution in the confined space of the first- storey high-rise residential building. The
minimum recommended installation distance from the sidewall with the different dimensions of the confined space is
obtained. The effective technical data can be provided for optimizing air distribution and improving the efficiency of the
air-conditioning system, which is important to engineering practices.
Keywords  High-rise building  Outdoor units  Heat rejection  Numerical simulation  Installation location