Study on dehumidification performance of FAM-Z rotor

Wanghee Cho, Shinsuke Kato, Ryozo Ooka, Yaw Shyan Tsay, Makoto Koganei, Norio Shoda, Koichi Kawamoto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

In hot and humid climates, desiccant air-conditioning systems have been suggested as suitable for improving Indoor Air Quality (IAQ). Generally as dehumidification devices, various types of silica gel rotor have been used to control humidity. In this study, we evaluated the dehumidification performance of the Functional Adsorbent Material - Zeolite (FAM-Z) rotor, which is expected to offer superior dehumidification at lower regeneration temperatures. In this experiment, in which hot and humid air was passed through a FAM-Z rotor (desiccant rotor), we measured the dry bulb temperature and the relative humidity both before and after passage through the FAM-Z rotor, and then calculated the difference in absolute humidity. We also compared dehumidification performance of a FAM-Z rotor and a silica gel rotor. Some parameters, such as the regeneration temperature and airflow, which may affect the performance of the desiccant rotor, were analyzed. As a result, in the case of a regeneration temperature of 50°C, the dehumidification performance of the FAM-Z rotor was superior to that of the silica gel rotor, however when the regeneration temperature was 60°C and above, the silica gel rotor performed better.

Original languageEnglish
Title of host publicationIAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings
Subtitle of host publicationSustainable Built Environment
Pages269-274
Number of pages6
Volume1
Publication statusPublished - Dec 1 2007
Externally publishedYes
Event6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment, IAQVEC 2007 - Sendai, Japan
Duration: Oct 28 2007Oct 31 2007

Other

Other6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment, IAQVEC 2007
CountryJapan
CitySendai
Period10/28/0710/31/07

Fingerprint

Adsorbents
Rotors
Silica gel
Atmospheric humidity
Temperature
Humidity control
Air quality
Air conditioning

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment

Cite this

Cho, W., Kato, S., Ooka, R., Tsay, Y. S., Koganei, M., Shoda, N., & Kawamoto, K. (2007). Study on dehumidification performance of FAM-Z rotor. In IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment (Vol. 1, pp. 269-274)

Study on dehumidification performance of FAM-Z rotor. / Cho, Wanghee; Kato, Shinsuke; Ooka, Ryozo; Tsay, Yaw Shyan; Koganei, Makoto; Shoda, Norio; Kawamoto, Koichi.

IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment. Vol. 1 2007. p. 269-274.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cho, W, Kato, S, Ooka, R, Tsay, YS, Koganei, M, Shoda, N & Kawamoto, K 2007, Study on dehumidification performance of FAM-Z rotor. in IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment. vol. 1, pp. 269-274, 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment, IAQVEC 2007, Sendai, Japan, 10/28/07.
Cho W, Kato S, Ooka R, Tsay YS, Koganei M, Shoda N et al. Study on dehumidification performance of FAM-Z rotor. In IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment. Vol. 1. 2007. p. 269-274
Cho, Wanghee ; Kato, Shinsuke ; Ooka, Ryozo ; Tsay, Yaw Shyan ; Koganei, Makoto ; Shoda, Norio ; Kawamoto, Koichi. / Study on dehumidification performance of FAM-Z rotor. IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment. Vol. 1 2007. pp. 269-274
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AU - Koganei, Makoto

AU - Shoda, Norio

AU - Kawamoto, Koichi

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AB - In hot and humid climates, desiccant air-conditioning systems have been suggested as suitable for improving Indoor Air Quality (IAQ). Generally as dehumidification devices, various types of silica gel rotor have been used to control humidity. In this study, we evaluated the dehumidification performance of the Functional Adsorbent Material - Zeolite (FAM-Z) rotor, which is expected to offer superior dehumidification at lower regeneration temperatures. In this experiment, in which hot and humid air was passed through a FAM-Z rotor (desiccant rotor), we measured the dry bulb temperature and the relative humidity both before and after passage through the FAM-Z rotor, and then calculated the difference in absolute humidity. We also compared dehumidification performance of a FAM-Z rotor and a silica gel rotor. Some parameters, such as the regeneration temperature and airflow, which may affect the performance of the desiccant rotor, were analyzed. As a result, in the case of a regeneration temperature of 50°C, the dehumidification performance of the FAM-Z rotor was superior to that of the silica gel rotor, however when the regeneration temperature was 60°C and above, the silica gel rotor performed better.

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