Performance characteristics of desiccant rotor using metal organic framework material

Myeong Hyeon Park, Jun Yeob Chung, Seong Ho Hong, Jaehyun Baek, Minwoo Lee, Dongchan Lee, Yongchan Kim

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A desiccant rotor is often adopted for dehumidification applications, owing to the increased importance of humidity control and energy saving in air conditioning and ventilation systems for buildings. In previous studies, silica gel, zeolite, and silica composites have been widely used in the desiccant rotor. However, it is difficult to further improve the dehumidification performance of a conventional desiccant rotor, owing to the inherent limitations of the desiccant material. In this study, a desiccant rotor using a metal organic framework (MOF) material was proposed and manufactured to improve the dehumidification performance under various operating conditions. The dehumidification and regeneration performance of the MOF desiccant rotor were measured and analyzed by varying the temperature, humidity, volumetric flow rate of the process air, and temperature of the regeneration air. Furthermore, the performance of the MOF desiccant rotor was compared to that of a conventional silica composite desiccant rotor. The MOF desiccant rotor showed 53% lower sensible energy ratio and 139% higher specific moisture removal capacity than the conventional desiccant rotor. In addition, empirical correlations were developed for performance predictions for the MOF desiccant rotor.

Original languageEnglish
Article number120066
JournalApplied Thermal Engineering
Volume223
DOIs
Publication statusPublished - 2023 Mar 25

Bibliographical note

Publisher Copyright:
© 2023 Elsevier Ltd

Keywords

  • Correlation
  • Dehumidification
  • Desiccant rotor
  • Metal organic framework
  • Thermal performance

ASJC Scopus subject areas

  • Mechanical Engineering
  • Energy Engineering and Power Technology
  • Fluid Flow and Transfer Processes
  • Industrial and Manufacturing Engineering

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