Performance analysis of four-partition desiccant wheel and hybrid dehumidification air-conditioning system

Jongsoo Jeong*, Seiichi Yamaguchi, Kiyoshi Saito, Sunao Kawai

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

80 Citations (Scopus)


A desiccant dehumidification system with air can decrease energy consumption because it can be driven by low-grade waste heat below 80 °C. If this system can be driven by low-temperature heat sources whose temperature is below 50 °C, exhausted heat from fuel cells or air conditioners that exist everywhere can be used as heat sources. This could lead to considerable energy saving. This study provides a detailed evaluation of the performance of a four-partition desiccant wheel to make a low-temperature driving heat source possible and achieve considerable energy saving by the simulation and experiment. Further, the study investigates the in-depth performance of a hybrid air-conditioning system with a four-partition desiccant wheel by simulation. As a result, it was clear that there exists an optimum rotational speed to maximize the dehumidification performance and that the hybrid air-conditioning system improves COP by approximately 94% as compared to the conventional vapour compression-type refrigerator.

Original languageEnglish
Pages (from-to)496-509
Number of pages14
JournalInternational Journal of Refrigeration
Issue number3
Publication statusPublished - 2010 May


  • Air conditioning
  • Conditionnement d'air
  • Desiccant system
  • Desiccant wheel
  • Geometry
  • Géométrie
  • Modelling
  • Modélisation
  • Performance
  • Roue déshydratante
  • Silica gel
  • Simulation
  • Système à déshydratant
  • gel de silice

ASJC Scopus subject areas

  • Building and Construction
  • Mechanical Engineering


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