Investigation of the temporal behavior of desiccant disk for use in dehumidifiers and air conditioners

The majority of household energy is consumed in heating and air conditioning. Desiccant disks are a way to harvest renewable solar energy or waste heat for air conditioning. In the literature there is a gap in the investigation of start-up of desiccant dehumidifiers, which this paper attempts to cov...

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Main Authors: Panos Sphicas, Apostolos Pesyridis
Format: Article
Language:English
Published: Elsevier 2024-03-01
Series:Results in Engineering
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2590123024000549
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author Panos Sphicas
Apostolos Pesyridis
author_facet Panos Sphicas
Apostolos Pesyridis
author_sort Panos Sphicas
collection DOAJ
description The majority of household energy is consumed in heating and air conditioning. Desiccant disks are a way to harvest renewable solar energy or waste heat for air conditioning. In the literature there is a gap in the investigation of start-up of desiccant dehumidifiers, which this paper attempts to covers. For this work, a desiccant disk was designed, manufactured, and tested. To reduce the cost, off-the-shelf components were used as structure materials. And as adsorption material, widely available materials were used. Input heat was simulated by an electrical heater and power to auxiliary motors was provided in the form of DC power. Temperature and humidity were recorded at various locations using DHT11 sensors. The system was turned off and tested at a start of operation mode. The performance of the desiccant disk was quantified by the coefficient of performance and the dehumidification efficiency. Results showed gradual increase of the desiccant disk efficiency with a maximum COP value of 0.4 reached within 10 min of the start of operation. Time delays were attributed to heating of the disk. Further work is required to fully understand the transient operation.
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spelling doaj.art-374f3628713d42c2bffc05c4cf1fbe7d2024-03-24T07:00:43ZengElsevierResults in Engineering2590-12302024-03-0121101801Investigation of the temporal behavior of desiccant disk for use in dehumidifiers and air conditionersPanos Sphicas0Apostolos Pesyridis1Department of Mechanical Engineering, School of Engineering, University of Birmingham, Dubai International Academic City, P.O. Box 341799, Dubai, United Arab Emirates; Corresponding author.Department of Mechanical and Aerospace Engineering, College of Engineering, Design and Physical Sciences, Brunel University London, Uxbridge, UB8 3PH, United Kingdom; Department of Mechanical Engineering, Prince Mohammad Bin Fahd University, Al Khobar, Saudi ArabiaThe majority of household energy is consumed in heating and air conditioning. Desiccant disks are a way to harvest renewable solar energy or waste heat for air conditioning. In the literature there is a gap in the investigation of start-up of desiccant dehumidifiers, which this paper attempts to covers. For this work, a desiccant disk was designed, manufactured, and tested. To reduce the cost, off-the-shelf components were used as structure materials. And as adsorption material, widely available materials were used. Input heat was simulated by an electrical heater and power to auxiliary motors was provided in the form of DC power. Temperature and humidity were recorded at various locations using DHT11 sensors. The system was turned off and tested at a start of operation mode. The performance of the desiccant disk was quantified by the coefficient of performance and the dehumidification efficiency. Results showed gradual increase of the desiccant disk efficiency with a maximum COP value of 0.4 reached within 10 min of the start of operation. Time delays were attributed to heating of the disk. Further work is required to fully understand the transient operation.http://www.sciencedirect.com/science/article/pii/S2590123024000549Air treatmentCoolingDehumidificationWaste heatSolarDesiccant
spellingShingle Panos Sphicas
Apostolos Pesyridis
Investigation of the temporal behavior of desiccant disk for use in dehumidifiers and air conditioners
Results in Engineering
Air treatment
Cooling
Dehumidification
Waste heat
Solar
Desiccant
title Investigation of the temporal behavior of desiccant disk for use in dehumidifiers and air conditioners
title_full Investigation of the temporal behavior of desiccant disk for use in dehumidifiers and air conditioners
title_fullStr Investigation of the temporal behavior of desiccant disk for use in dehumidifiers and air conditioners
title_full_unstemmed Investigation of the temporal behavior of desiccant disk for use in dehumidifiers and air conditioners
title_short Investigation of the temporal behavior of desiccant disk for use in dehumidifiers and air conditioners
title_sort investigation of the temporal behavior of desiccant disk for use in dehumidifiers and air conditioners
topic Air treatment
Cooling
Dehumidification
Waste heat
Solar
Desiccant
url http://www.sciencedirect.com/science/article/pii/S2590123024000549
work_keys_str_mv AT panossphicas investigationofthetemporalbehaviorofdesiccantdiskforuseindehumidifiersandairconditioners
AT apostolospesyridis investigationofthetemporalbehaviorofdesiccantdiskforuseindehumidifiersandairconditioners