电风扇舒适性自然风特征测试方法研究

doi:10.19784/j.cnki.issn1672-0172.2024.04.016

Abstract

Abstract: At present, many electric fan products can simulate natural wind, but there is a lack of unified testing methods to determine whether the processed wind of the natural wind function of electric fans is close to natural wind. Researchers have found through extensive experiments and research that turbulence intensity can characterize the characteristics of airflow turbulence, and the pulsation characteristics of natural wind are determined by its own 1/f turbulence characteristics. The commonly used indicators for assessing the thermal comfort of indoor environments are the blowing sensation index and the expected average thermal sensation index, which are highly related to electric fan products. This study investigates the use of the blowing sensation index and the expected average thermal sensation index to test the thermal comfort of natural wind gears in electric fan products, and verifies the results through testing multiple electric fan samples. After testing and verification, the thermal comfort of electric fan products that meet the requirements of natural wind is significantly better than that of electric fan products that do not meet the requirements of natural wind.

Key words: Electric fan, Natural ventilation, Mechanical ventilation, Thermal comfort

CLC Number:

TM925.11

DU Yilin, LI Jian, WANG Boyan. Research on testing method of comfort natural wind characteristics for electric fans[J]. Journal of Appliance Science & Technology, 2024, 0(4): 100-103.

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Research on testing method of comfort natural wind characteristics for electric fans

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