Visualization temperature and concentration distribution inside desiccant wheel by simulation

Takashi Yoshida, Seiichi Yamaguchi, Kiyoshi Saito, Sunao Kawai, Naoki Onda

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

Abstract

As the desiccant air-conditioning system works in various conditions, we need to understand the performance of desiccant air-conditioning system with wide range of driving conditions. But now we haven't grasped even characteristics of the desiccant wheel that is the most important component in the desiccant air-conditioning system. So far, in order to clarify the performance of the desiccant wheel, we have developed the simulation model for the desiccant wheel and also carried out the experiment of the desiccant wheel with wide range of designing and operating conditions. As a result, the validity of the simulation model was confirmed because the simulation results agree with experimental ones well with wide range of design and operating conditions. In this study, in order to clarify more detailed heat and mass transfer performance of the desiccant wheel, we visualized temperature and concentration distribution inside the desiccant wheel by the simulation. As a result, we clarified the temperature and humidity ratio distribution of the process and regeneration air in the air channel, and the temperature and water content distribution in the desiccant wall that are difficult to show by the experiment.

Original languageEnglish
Title of host publication5th Asian Conference on Refrigeration and Air Conditioning, ACRA 2010 - Green Breeze from Asia
Subtitle of host publicationFrontiers of Refrigerants, Heat Transfer and System
PublisherJapan Society of Refrigeration and Air Conditioning Engineering (JSRAE)
ISBN (Electronic)9781634391252
Publication statusPublished - 2010 Jan 1
Event5th Asian Conference on Refrigeration and Air Conditioning - Green Breeze from Asia: Frontiers of Refrigerants, Heat Transfer and System, ACRA 2010 - Tokyo, Japan
Duration: 2010 Jun 72010 Jun 9

Publication series

Name5th Asian Conference on Refrigeration and Air Conditioning, ACRA 2010 - Green Breeze from Asia: Frontiers of Refrigerants, Heat Transfer and System

Conference

Conference5th Asian Conference on Refrigeration and Air Conditioning - Green Breeze from Asia: Frontiers of Refrigerants, Heat Transfer and System, ACRA 2010
CountryJapan
CityTokyo
Period10/6/710/6/9

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Keywords

  • Dehumidification
  • Desiccant wheel
  • Heat and mass transfer
  • Numerical analysis
  • Silica gel

ASJC Scopus subject areas

  • Engineering(all)
  • Environmental Engineering

Cite this

Yoshida, T., Yamaguchi, S., Saito, K., Kawai, S., & Onda, N. (2010). Visualization temperature and concentration distribution inside desiccant wheel by simulation. In 5th Asian Conference on Refrigeration and Air Conditioning, ACRA 2010 - Green Breeze from Asia: Frontiers of Refrigerants, Heat Transfer and System (5th Asian Conference on Refrigeration and Air Conditioning, ACRA 2010 - Green Breeze from Asia: Frontiers of Refrigerants, Heat Transfer and System). Japan Society of Refrigeration and Air Conditioning Engineering (JSRAE).