Study on energy-efficiency of desiccant outdoor air-conditioning unit for a dedicated air-conditioning system

Koichi Kawamoto; Wanghee Cho; Hitoshi Kohno; Shizuo Iwamoto; Makoto Koganei; Ryozo Ooka; Shinsuke Kato

doi:10.18462/iir.icr.2015.0128

Study on energy-efficiency of desiccant outdoor air-conditioning unit for a dedicated air-conditioning system

Koichi Kawamoto
, Wanghee Cho
, Hitoshi Kohno
, Shizuo Iwamoto
, Makoto Koganei
, Ryozo Ooka
, Shinsuke Kato

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The purpose of this study is to realize energy efficient features for a dedicated desiccant air-conditioning system throughout the season, and propose a new high-efficiency application of this system. Many advanced air-conditioning systems are intended to reduce energy and/or space only for sensitive heat conditioning. During the dehumidification season, the results show that a latent heat conditioning system using a desiccant air-conditioner achieves over 20% higher energy efficiency than conventional systems. A new humidification system that combines a desiccant outdoor air-conditioning unit and heat-pump is proposed for the winter season. The experimental results show that the humidification performance satisfies the minimum demand for an outdoor air conditioner in many areas of Japan, but the energy efficiency is slightly inferior to that of traditional boiler systems. Some improvements in the structure and operation of this system are suggested to improve the higher energy efficiency.

Original language	English
Title of host publication	24th IIR International Congress of Refrigeration, ICR 2015
Publisher	International Institute of Refrigeration
Pages	3025-3032
Number of pages	8
ISBN (Electronic)	9782362150128
DOIs	https://doi.org/10.18462/iir.icr.2015.0128
Publication status	Published - 2015
Externally published	Yes
Event	24th IIR International Congress of Refrigeration, ICR 2015 - Yokohama, Japan Duration: Aug 16 2015 → Aug 22 2015

Publication series

Name	Refrigeration Science and Technology
ISSN (Print)	0151-1637

Other

Other	24th IIR International Congress of Refrigeration, ICR 2015
Country/Territory	Japan
City	Yokohama
Period	8/16/15 → 8/22/15

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

All Science Journal Classification (ASJC) codes

Control and Systems Engineering
Electrical and Electronic Engineering
Mechanical Engineering
Condensed Matter Physics

Access to Document

10.18462/iir.icr.2015.0128

Cite this

Kawamoto, K., Cho, W., Kohno, H., Iwamoto, S., Koganei, M., Ooka, R., & Kato, S. (2015). Study on energy-efficiency of desiccant outdoor air-conditioning unit for a dedicated air-conditioning system. In 24th IIR International Congress of Refrigeration, ICR 2015 (pp. 3025-3032). (Refrigeration Science and Technology). International Institute of Refrigeration. https://doi.org/10.18462/iir.icr.2015.0128

Study on energy-efficiency of desiccant outdoor air-conditioning unit for a dedicated air-conditioning system. / Kawamoto, Koichi; Cho, Wanghee; Kohno, Hitoshi et al.
24th IIR International Congress of Refrigeration, ICR 2015. International Institute of Refrigeration, 2015. p. 3025-3032 (Refrigeration Science and Technology).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kawamoto, K, Cho, W, Kohno, H, Iwamoto, S, Koganei, M, Ooka, R & Kato, S 2015, Study on energy-efficiency of desiccant outdoor air-conditioning unit for a dedicated air-conditioning system. in 24th IIR International Congress of Refrigeration, ICR 2015. Refrigeration Science and Technology, International Institute of Refrigeration, pp. 3025-3032, 24th IIR International Congress of Refrigeration, ICR 2015, Yokohama, Japan, 8/16/15. https://doi.org/10.18462/iir.icr.2015.0128

Kawamoto K, Cho W, Kohno H, Iwamoto S, Koganei M, Ooka R et al. Study on energy-efficiency of desiccant outdoor air-conditioning unit for a dedicated air-conditioning system. In 24th IIR International Congress of Refrigeration, ICR 2015. International Institute of Refrigeration. 2015. p. 3025-3032. (Refrigeration Science and Technology). doi: 10.18462/iir.icr.2015.0128

@inproceedings{4a941e749ae746d980d6e8710e52816c,

title = "Study on energy-efficiency of desiccant outdoor air-conditioning unit for a dedicated air-conditioning system",

abstract = "The purpose of this study is to realize energy efficient features for a dedicated desiccant air-conditioning system throughout the season, and propose a new high-efficiency application of this system. Many advanced air-conditioning systems are intended to reduce energy and/or space only for sensitive heat conditioning. During the dehumidification season, the results show that a latent heat conditioning system using a desiccant air-conditioner achieves over 20\% higher energy efficiency than conventional systems. A new humidification system that combines a desiccant outdoor air-conditioning unit and heat-pump is proposed for the winter season. The experimental results show that the humidification performance satisfies the minimum demand for an outdoor air conditioner in many areas of Japan, but the energy efficiency is slightly inferior to that of traditional boiler systems. Some improvements in the structure and operation of this system are suggested to improve the higher energy efficiency.",

author = "Koichi Kawamoto and Wanghee Cho and Hitoshi Kohno and Shizuo Iwamoto and Makoto Koganei and Ryozo Ooka and Shinsuke Kato",

year = "2015",

doi = "10.18462/iir.icr.2015.0128",

language = "English",

series = "Refrigeration Science and Technology",

publisher = "International Institute of Refrigeration",

pages = "3025--3032",

booktitle = "24th IIR International Congress of Refrigeration, ICR 2015",

note = "24th IIR International Congress of Refrigeration, ICR 2015 ; Conference date: 16-08-2015 Through 22-08-2015",

}

TY - GEN

T1 - Study on energy-efficiency of desiccant outdoor air-conditioning unit for a dedicated air-conditioning system

AU - Kawamoto, Koichi

AU - Cho, Wanghee

AU - Kohno, Hitoshi

AU - Iwamoto, Shizuo

AU - Koganei, Makoto

AU - Ooka, Ryozo

AU - Kato, Shinsuke

PY - 2015

Y1 - 2015

N2 - The purpose of this study is to realize energy efficient features for a dedicated desiccant air-conditioning system throughout the season, and propose a new high-efficiency application of this system. Many advanced air-conditioning systems are intended to reduce energy and/or space only for sensitive heat conditioning. During the dehumidification season, the results show that a latent heat conditioning system using a desiccant air-conditioner achieves over 20% higher energy efficiency than conventional systems. A new humidification system that combines a desiccant outdoor air-conditioning unit and heat-pump is proposed for the winter season. The experimental results show that the humidification performance satisfies the minimum demand for an outdoor air conditioner in many areas of Japan, but the energy efficiency is slightly inferior to that of traditional boiler systems. Some improvements in the structure and operation of this system are suggested to improve the higher energy efficiency.

AB - The purpose of this study is to realize energy efficient features for a dedicated desiccant air-conditioning system throughout the season, and propose a new high-efficiency application of this system. Many advanced air-conditioning systems are intended to reduce energy and/or space only for sensitive heat conditioning. During the dehumidification season, the results show that a latent heat conditioning system using a desiccant air-conditioner achieves over 20% higher energy efficiency than conventional systems. A new humidification system that combines a desiccant outdoor air-conditioning unit and heat-pump is proposed for the winter season. The experimental results show that the humidification performance satisfies the minimum demand for an outdoor air conditioner in many areas of Japan, but the energy efficiency is slightly inferior to that of traditional boiler systems. Some improvements in the structure and operation of this system are suggested to improve the higher energy efficiency.

UR - https://www.scopus.com/pages/publications/85016806418

UR - https://www.scopus.com/pages/publications/85016806418#tab=citedBy

U2 - 10.18462/iir.icr.2015.0128

DO - 10.18462/iir.icr.2015.0128

M3 - Conference contribution

AN - SCOPUS:85016806418

T3 - Refrigeration Science and Technology

SP - 3025

EP - 3032

BT - 24th IIR International Congress of Refrigeration, ICR 2015

PB - International Institute of Refrigeration

T2 - 24th IIR International Congress of Refrigeration, ICR 2015

Y2 - 16 August 2015 through 22 August 2015

ER -

Study on energy-efficiency of desiccant outdoor air-conditioning unit for a dedicated air-conditioning system

Abstract

Publication series

Other

UN SDGs

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this