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Experimental Investigations on the Thermal Effects in Packed Bed Liquid Desiccant Dehumidifiers
M. Sadasivam, Arcot R. Balakrishnan
Published in
1994
Volume: 33
   
Issue: 6
Pages: 1636 - 1640
Abstract
This paper describes an experimental study to determine £, a parameter defined in an earlier analytical study as the fraction of the heat of dilution in packed bed liquid desiccant dehumidifiers that goes into the air stream. ξ was determined at various operating conditions in a packed bed using calcium chloride solution as the liquid desiccant in countercurrent flow with air. ξ has been correlated in terms of L/G ratios, gas Reynolds number, the ambient number, and a new parameter, the desiccant number. An extension of the ε-NTU model incorporating ξ is presented, and comparison with data, both present and those reported in the literature, show good agreement. © 1994, American Chemical Society. All rights reserved.
About the journal
JournalIndustrial and Engineering Chemistry Research
ISSN08885885
Open AccessNo
Concepts (15)
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    Desiccation
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    Liquid
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    Packed beds
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    Calcium compounds
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    Humidity control
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    Interfaces (materials)
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    Mathematical models
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    Parameter estimation
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    Thermal effects
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    Thermodynamics
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    Water absorption
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    Calcium chloride
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    DILUTION HEAT
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    NUMBER OF TRANSFER UNITS (NTU) MODEL
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    PACKED BED LIQUID DESICCANT DEHUMIDIFIERS