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Experimental investigation of a desiccant wheel cycle.

Number: pap. n. TP-010

Author(s) : LEE H., CAO T., HWANG Y., et al.

Summary

In hot and humid regions, removal of moisture from the air represents a considerable portion of the air conditioning load. Conventionally, air conditioning systems have to lower the air temperature below its dew point to accomplish dehumidification. Desiccant air conditioners offer a solution to meet the humidity and temperature requirements of buildings via decoupling latent and sensible loads. In this work, the performance of a new polymer desiccant material is investigated experimentally. This desiccant material can be regenerated using a low temperature heat source. The effect of the process air stream’s temperature and humidity, the effect of the regeneration temperature, and the effect of the desiccant wheel’s rotational speed are investigated. ARI-humid conditions are used as a baseline and the moisture mass balance is maintained within 5%, based on ASHRAE 139-2007 standard. The results are presented in terms of the moisture removal rate, sensible effectiveness and latent coefficient of performance.

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Pages: 10 p.

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Details

  • Original title: Experimental investigation of a desiccant wheel cycle.
  • Record ID : 30008089
  • Languages: English
  • Source: 4th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
  • Publication date: 2013/06/17

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