The study on influencing factors of airflow in laboratory fume hood
نویسندگان
چکیده
This study investigates the influence of side wind flowing directly from different indoor environments on airflow laboratory fume hood (LFH). When an LFH is used to discharge harmful laboratory, can affect LFH, which likely cause leakage fumes. In this study, incense was simulate fumes, sampling and analysis total suspended particulate concentrations were performed in under conditions with or without air conditioning, operator, door open, electric fan when sash (FHS) at top, middle, bottom positions, respectively. A laser pen hot-wire anemometer are employed demonstrate smoke speed environmental conditions. The experimental results reveal that field distribution fumes be changed according heights FHS changes external airflow. Therefore, using should reduced, operated for a few minutes before switching it off.
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ژورنال
عنوان ژورنال: E3S web of conferences
سال: 2023
ISSN: ['2555-0403', '2267-1242']
DOI: https://doi.org/10.1051/e3sconf/202339601014