NDLI: Improved Design Parameters for a Liquid Desiccant Dehumidifier in Confined Spaces

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Dong, D. Liu, M.
Copyright Year	2005
Abstract	Investigations of a desiccant dehumidifier system have been performed for humidity control application in confined spaces. A previous study revealed that the base dehumidifier system can reduce moisture condensation by 22% over a conventional exhaust ventilation system. The current study aims to develop improved design requirements for a desiccant dehumidifier. The energy consumption of an exhaust ventilation system and an improved dehumidifier system was compared. To investigate the improved desiccant dehumidification system, numerical simulations were conducted and an objective function was established. This paper presents simulated results for an existing desiccant dehumidification system and an improved system, in which improved parameters are used. Use of the improved design parameters can reduce moisture condensation by 26.6% over a base dehumidifier system and shorten the dehumidifier performance period by 14%. Energy consumption with the sole use of an exhaust system is compared with that of the improved dehumidifier system under the same conditions. The results show that energy consumption can be substantially reduced, by 63%, in the improved dehumidifier system with the same amount of moisture condensation on surfaces of the confined space.
Sponsorship	Solar Energy Division
Starting Page	291
Ending Page	299
Page Count	9
File Format	PDF
ISBN	0791847373
DOI	10.1115/ISEC2005-76075
e-ISBN	0791837653
Volume Number	Solar Energy
Conference Proceedings	ASME 2005 International Solar Energy Conference
Language	English
Publisher Date	2005-08-06
Publisher Place	Orlando, Florida, USA
Access Restriction	Subscribed
Subject Keyword	Design Space Energy consumption Dehumidifiers Computer simulation Dehumidification Ventilation Condensation Exhaust systems
Content Type	Text
Resource Type	Article

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