Experimental analysis on the dehumidification and thermal performance of a desiccant wheel

Giovanni Angrisani, Francesco Minichiello, Carlo Roselli and Maurizio Sasso

Applied Energy, 2012, vol. 92, issue C, 563-572

Abstract: The advantages of desiccant-based air conditioning systems, compared to conventional ones based on the dehumidification by cooling, have been highlighted in many research papers. The energy saving and the reduction of the environmental impact are higher when the desiccant material is regenerated by using “free” thermal energy (for example, waste heat from cogenerators or solar energy). Further investigation on the performance of the desiccant wheel is useful: therefore, in this paper, an experimental analysis on this component is presented, with particular attention to the variation of the performance as a function of the process and regeneration air flow rates. The desiccant material is regenerated by means of low-temperature thermal energy (about 65°C) from a microcogenerator. Both the experimental results obtained by the authors and the data provided by the manufacturer have been used to calculate some performance parameters, and a satisfactory agreement has been obtained.

Keywords: Desiccant wheel; Performance parameters; Experimental analysis; Air flow variation (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (31)

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DOI: 10.1016/j.apenergy.2011.11.071

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