Experimental investigations on thin polymer desiccant wheel performance

Tao Cao; Hoseong Lee; Yunho Hwang; Reinhard Radermacher; Ho Hwan Chun

doi:10.1016/j.ijrefrig.2014.05.004

Experimental investigations on thin polymer desiccant wheel performance

Tao Cao
, Hoseong Lee
, Yunho Hwang^*
, Reinhard Radermacher
, Ho Hwan Chun

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

46 Citations (Scopus)

Abstract

In this study, the performance of a new polymer desiccant wheel (DW), which can be used for dehumidification in a solid desiccant cooling system, was investigated. In order to investigate the compact design of the DW for compact cooling system, DWs were evaluated at four levels of thickness while varying the inlet air temperature, humidity ratio, regeneration temperature, and rotational speed. It was found that lower inlet air temperature and higher humidity ratio are in favor of better DW performance. Higher regeneration temperature (60 °C) would bring a reduced marginal benefit in terms of latent coefficient of performance (COP_latent). Test results also indicate that the optimum rotational speed decreases while DW thickness increases. Three thin DWs (30, 50 and 70 mm) were compared with the typical thick DW (150 mm) and it was found that 50 and 70 mm DWs have the potentials in the compact cooling system with the maximum moisture removal capacity (MRC_max) based on specific volume (MRC_max/DW Volume) 1.2 and 0.7 times higher than that of 150 mm DW, respectively. In addition, the maximum COP_latent of 50 and 70 mm DW can be up to 0.45 and 0.5, respectively.

Original language	English
Pages (from-to)	1-11
Number of pages	11
Journal	International Journal of Refrigeration
Volume	44
DOIs	https://doi.org/10.1016/j.ijrefrig.2014.05.004
Publication status	Published - 2014 Aug
Externally published	Yes

Bibliographical note

Funding Information:
This work was supported by sponsors of the CEEE, University of Maryland, College Park, MD, USA and partially supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) through GCRC-SOP (Grant No. 2012-0004782 ).

Keywords

Desiccant wheel
Experimental study
Latent coefficient of performance
Moisture removal capacity

ASJC Scopus subject areas

Building and Construction
Mechanical Engineering

Access to Document

10.1016/j.ijrefrig.2014.05.004

Cite this

@article{00c63123ca514226aee386fe1a081193,

title = "Experimental investigations on thin polymer desiccant wheel performance",

abstract = "In this study, the performance of a new polymer desiccant wheel (DW), which can be used for dehumidification in a solid desiccant cooling system, was investigated. In order to investigate the compact design of the DW for compact cooling system, DWs were evaluated at four levels of thickness while varying the inlet air temperature, humidity ratio, regeneration temperature, and rotational speed. It was found that lower inlet air temperature and higher humidity ratio are in favor of better DW performance. Higher regeneration temperature (60 °C) would bring a reduced marginal benefit in terms of latent coefficient of performance (COPlatent). Test results also indicate that the optimum rotational speed decreases while DW thickness increases. Three thin DWs (30, 50 and 70 mm) were compared with the typical thick DW (150 mm) and it was found that 50 and 70 mm DWs have the potentials in the compact cooling system with the maximum moisture removal capacity (MRCmax) based on specific volume (MRCmax/DW Volume) 1.2 and 0.7 times higher than that of 150 mm DW, respectively. In addition, the maximum COPlatent of 50 and 70 mm DW can be up to 0.45 and 0.5, respectively.",

keywords = "Desiccant wheel, Experimental study, Latent coefficient of performance, Moisture removal capacity",

author = "Tao Cao and Hoseong Lee and Yunho Hwang and Reinhard Radermacher and Chun, \{Ho Hwan\}",

note = "Funding Information: This work was supported by sponsors of the CEEE, University of Maryland, College Park, MD, USA and partially supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) through GCRC-SOP (Grant No. 2012-0004782 ).",

year = "2014",

month = aug,

doi = "10.1016/j.ijrefrig.2014.05.004",

language = "English",

volume = "44",

pages = "1--11",

journal = "International Journal of Refrigeration",

issn = "0140-7007",

publisher = "Elsevier Ltd",

}

TY - JOUR

T1 - Experimental investigations on thin polymer desiccant wheel performance

AU - Cao, Tao

AU - Lee, Hoseong

AU - Hwang, Yunho

AU - Radermacher, Reinhard

AU - Chun, Ho Hwan

N1 - Funding Information: This work was supported by sponsors of the CEEE, University of Maryland, College Park, MD, USA and partially supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) through GCRC-SOP (Grant No. 2012-0004782 ).

PY - 2014/8

Y1 - 2014/8

N2 - In this study, the performance of a new polymer desiccant wheel (DW), which can be used for dehumidification in a solid desiccant cooling system, was investigated. In order to investigate the compact design of the DW for compact cooling system, DWs were evaluated at four levels of thickness while varying the inlet air temperature, humidity ratio, regeneration temperature, and rotational speed. It was found that lower inlet air temperature and higher humidity ratio are in favor of better DW performance. Higher regeneration temperature (60 °C) would bring a reduced marginal benefit in terms of latent coefficient of performance (COPlatent). Test results also indicate that the optimum rotational speed decreases while DW thickness increases. Three thin DWs (30, 50 and 70 mm) were compared with the typical thick DW (150 mm) and it was found that 50 and 70 mm DWs have the potentials in the compact cooling system with the maximum moisture removal capacity (MRCmax) based on specific volume (MRCmax/DW Volume) 1.2 and 0.7 times higher than that of 150 mm DW, respectively. In addition, the maximum COPlatent of 50 and 70 mm DW can be up to 0.45 and 0.5, respectively.

AB - In this study, the performance of a new polymer desiccant wheel (DW), which can be used for dehumidification in a solid desiccant cooling system, was investigated. In order to investigate the compact design of the DW for compact cooling system, DWs were evaluated at four levels of thickness while varying the inlet air temperature, humidity ratio, regeneration temperature, and rotational speed. It was found that lower inlet air temperature and higher humidity ratio are in favor of better DW performance. Higher regeneration temperature (60 °C) would bring a reduced marginal benefit in terms of latent coefficient of performance (COPlatent). Test results also indicate that the optimum rotational speed decreases while DW thickness increases. Three thin DWs (30, 50 and 70 mm) were compared with the typical thick DW (150 mm) and it was found that 50 and 70 mm DWs have the potentials in the compact cooling system with the maximum moisture removal capacity (MRCmax) based on specific volume (MRCmax/DW Volume) 1.2 and 0.7 times higher than that of 150 mm DW, respectively. In addition, the maximum COPlatent of 50 and 70 mm DW can be up to 0.45 and 0.5, respectively.

KW - Desiccant wheel

KW - Experimental study

KW - Latent coefficient of performance

KW - Moisture removal capacity

UR - https://www.scopus.com/pages/publications/84903629779

U2 - 10.1016/j.ijrefrig.2014.05.004

DO - 10.1016/j.ijrefrig.2014.05.004

M3 - Article

AN - SCOPUS:84903629779

SN - 0140-7007

VL - 44

SP - 1

EP - 11

JO - International Journal of Refrigeration

JF - International Journal of Refrigeration

ER -

Experimental investigations on thin polymer desiccant wheel performance

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this