Overview of Open-Cycle Desiccant Cooling Systems and Materials

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This paper has presented a review of the thermodynamics of three desiccant cooling cycles: the ventilation cycle, the recirculation cycle, and the Dunkle cycle. For the ventilation cycle the qualitative effects of changes in the effectiveness of individual components were analyzed. There are two possible paths to improved dehumidifier performance: changing the design of dehumidifiers using currently available desiccants so as to increase effectiveness without increasing parasitic losses, or developing new desiccants specifically tailored for solar cooling applications. The later part of this paper has considered the second option. A list of desirable desiccant properties was defined, properties of currently ... continued below

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27 p.

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Collier, R.; Arnold, F. & Barlow, R. September 1, 1981.

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Description

This paper has presented a review of the thermodynamics of three desiccant cooling cycles: the ventilation cycle, the recirculation cycle, and the Dunkle cycle. For the ventilation cycle the qualitative effects of changes in the effectiveness of individual components were analyzed. There are two possible paths to improved dehumidifier performance: changing the design of dehumidifiers using currently available desiccants so as to increase effectiveness without increasing parasitic losses, or developing new desiccants specifically tailored for solar cooling applications. The later part of this paper has considered the second option. A list of desirable desiccant properties was defined, properties of currently used solid and liquid desiccants were compared to this list, and a hypothetical desiccant type that would give improved system performance was discussed.

Physical Description

27 p.

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  • Report No.: NREL/TP-631-1065
  • Grant Number: AC36-08GO28308
  • DOI: 10.2172/1063011 | External Link
  • Office of Scientific & Technical Information Report Number: 1063011
  • Archival Resource Key: ark:/67531/metadc844741

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Creation Date

  • September 1, 1981

Added to The UNT Digital Library

  • May 19, 2016, 9:45 a.m.

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  • April 4, 2017, 3:42 p.m.

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Collier, R.; Arnold, F. & Barlow, R. Overview of Open-Cycle Desiccant Cooling Systems and Materials, report, September 1, 1981; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc844741/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.