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2014•Environmental Engineering and Management JournalOpen access

NUMERICAL STUDY OF DESICCANT WHEEL BEHAVIOR FOR ENVIRONMENTALLY FRIENDLY AIR CONDITIONING SYSTEM

C E Panaite, Ioan Baisan, Aristotel Popescu

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Abstract

Open-cycle desiccant air conditioning represents an attractive alternative to the classical method based on electric vapor compression.The performance of the rotary dehumidifier has a significant effect on the capability, size and cost of the whole air conditioning system.In the present paper a detailed two-dimensional mathematical model of coupled heat and mass transfer processes manifesting at the moist air-solid desiccant interface has been formulated.It was studied packed bed absorber of rotary wheel type under cyclic operating conditions.The numerical results lead to a good understanding of the adsorption/desorption processes and prediction of the desiccant wheel behavior.

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What this paper is about

Open-cycle desiccant air conditioning represents an attractive alternative to the classical method based on electric vapor compression.The performance of the rotary dehumidifier has a significant effect on the capability, size and cost of the whole air conditioning system.In the present paper a detailed two-dimensional mathematical model of coupled heat and mass transfer processes manifesting at the moist air-solid desiccant interface has been formulated.It was studied packed bed absorber of rotary wheel type under cyclic operating conditions.The numerical results lead to a good understanding of the adsorption/desorption processes and prediction of the desiccant wheel behavior.

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Available abstract

Open-cycle desiccant air conditioning represents an attractive alternative to the classical method based on electric vapor compression.The performance of the rotary dehumidifier has a significant effect on the capability, size and cost of the whole air conditioning system.In the present paper a detailed two-dimensional mathematical model of coupled heat and mass transfer processes manifesting at the moist air-solid desiccant interface has been formulated.It was studied packed bed absorber of rotary wheel type under cyclic operating conditions.The numerical results lead to a good understanding of the adsorption/desorption processes and prediction of the desiccant wheel behavior.

Key concepts: Environmentally friendly, Air conditioning, Desiccant, Conditioning, Liquid desiccant, Automotive engineering, Environmental science, Engineering

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