| 摘要: |
| 本文针对压缩式制冷空调伞体积庞大、不易维修等问题，提出一种半导体制冷空调伞，并搭建了用于测量36、38、40 cm伞口直径半导体制冷空调伞性能的实验台。基于半导体制冷片的珀尔贴效应，结合空调伞伞头的结构特点，采用下送风空调伞进行实验研究并分析其温度场及流场的变化。结果表明：当半导体空调伞的伞口直径为38 cm时，伞内风速为0.23~0.47 m/s，空调区与外界环境的最大温差可达到3.04 ℃，适于营造舒适的局域环境。 |
| 关键词: 空调伞 半导体制冷 温度场 流场 |
| DOI： |
| 投稿时间：2017-08-22
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| 基金项目:国家自然科学基金(51566014 & 51106068)。 |
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| Effect of Different Diameter on Performance of Air-conditioning Umbrella with Semiconductor Refrigeration |
| He Lijuan,Wu Xinwei,Wang Di,Dong Jinzhong,Jin Guang |
| (College of Environment and Energy, Inner Mongolia University of Science and Technology) |
| Abstract: |
| Aiming at the problem of large volume and difficulty in the maintenance of compression-type air-conditioning umbrellas, an air-conditioning umbrella with semiconductor refrigeration is introduced. A test bench was built to measure the temperature and flow field in the umbrellas with different diameters ( 36 cm, 38 cm, and 40 cm). Based on the Peltier effect and the structural characteristics of the air conditioning umbrella, the lower air supply mode was applied within the air-conditioning umbrella with semiconductor refrigeration. Experimental results indicate that the air speed in the umbrella with a diameter of 38 cm is between 0.23 m/s and 0.47 m/s, and the maximum temperature difference between air-conditioned area and ambient environment is 3.04 ℃, which can thus create a comfortable local environment. |
| Key words: air-conditioning umbrella semiconductor refrigeration temperature field flow field |
