Comparative study on energy consumption in ateam-humidification- and water-spray-humidification-type outdoor air-conditioning systems for semiconductor manufacturing clean rooms
- Authors
- Kim, H.-T.; Song, G.-S.; Kim, K.-C.; Yoo, K.-H.; Son, S.-W.; Shin, D.-K.; Park, D.-J.; Kwon, O.-M.
- Issue Date
- 2011
- Publisher
- Korean Society of Mechanical Engineers
- Keywords
- Clean Room; Energy Consumption; Outdoor Air Conditioning System; Power Consumption Per Unit Load; Steam Humidification; Water Spray Humidification
- Citation
- Transactions of the Korean Society of Mechanical Engineers, B, v.35, no.12, pp.1249 - 1255
- Indexed
- SCOPUS
KCI
- Journal Title
- Transactions of the Korean Society of Mechanical Engineers, B
- Volume
- 35
- Number
- 12
- Start Page
- 1249
- End Page
- 1255
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/114641
- DOI
- 10.3795/KSME-B.2011.35.12.1249
- ISSN
- 1226-4881
- Abstract
- In modern large-scale semiconductor manufacturing clean rooms, the energy consumed by the outdoor air-conditioning system during heating, humidification, cooling, and dehumidification of the incoming outdoor air represents about 45% of the total air-conditioning load required to maintain a clean-room environment In particular, the energy required for humidification of the outdoor air in winter is very high. Therefore, evaluation and comparison of the energy consumption in key humidification systems, viz., steam-humidification and water-spray-humidification systems, used in outdoor air-conditioning systems would be useful to reduce the outdoor air-conditioning load in clean rooms. In the present study, an experiment with an outdoor air flow of 1000 m 3/h was conducted to compare the air-conditioning process and energy consumption in outdoor air-conditioning systems with electrode-boiler steam humidifiers and air-washer water spray humidification systems. The experimental results showed that the water-spray-humidification-type outdoor air-conditioning system consumed less electrical power than did the steam-humidification-type system and was more energy efficient during winter. © 2011 The Korean Society of Mechanical Engineers.
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