Effect of Different Diameter on Performance of Air-conditioning Umbrella with Semiconductor Refrigeration

He Lijuan; Wu Xinwei; Wang Di; Dong Jinzhong; Jin Guang

doi:10.3969/j.issn.0253-4339.2018.04.119

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Effect of Different Diameter on Performance of Air-conditioning Umbrella with Semiconductor Refrigeration

更新时间：2024-07-18

- Effect of Different Diameter on Performance of Air-conditioning Umbrella with Semiconductor Refrigeration
- Journal of Refrigeration Vol. 39, Issue 4, (2018)
- 作者机构：
  
  内蒙古科技大学能源与环境学院
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2018.04.119
  CLC：
- Published：2018
- 稿件说明：
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He Lijuan, Wu Xinwei, Wang Di, et al. Effect of Different Diameter on Performance of Air-conditioning Umbrella with Semiconductor Refrigeration[J]. Journal of refrigeration, 2018, 39(4).
DOI：

He Lijuan, Wu Xinwei, Wang Di, et al. Effect of Different Diameter on Performance of Air-conditioning Umbrella with Semiconductor Refrigeration[J]. Journal of refrigeration, 2018, 39(4). DOI： 10.3969/j.issn.0253-4339.2018.04.119.

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。

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.

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Related Institution

College of Urban Construction, Nanjing Tech University

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