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Separate sensible and latent cooling in a residential application: theoretical modeling and full-scale testing during the 2011 Solar Decathlon.

Number: pap. 3251

Author(s) : SCHAUS M., HORTON W. T.

Summary

The benefits of separate sensible and latent cooling (SSLC) have been demonstrated as a viable methodology for substantial reductions in energy consumption required by cooling, while actively controlling the relative humidity of a space. The use of SSLC technologies can result in improvements to indoor air quality, through removal of excess humidity, caused by either outdoor conditions or building envelope composition. The negative effects of high relative humidity indoors can be mitigated, and improved building energy performance can result. This study examines the effectiveness of implementing SSLC technology in residential applications, specifically in high-performance homes, with commercially available equipment. A system, comprised of a central, conventional air handler to remove sensible loading, combined with a high-efficiency, direct expansion dehumidifier for removal of the latent load, was investigated. The modeling of system components was completed by means of a transient model. Validation was completed through the construction, implementation, and testing of a full-scale, high-efficiency home, as a part of the Department of Energy 2011 Solar Decathlon.

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Pages: 10 p.

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Details

  • Original title: Separate sensible and latent cooling in a residential application: theoretical modeling and full-scale testing during the 2011 Solar Decathlon.
  • Record ID : 30006813
  • Languages: English
  • Source: 2012 Purdue Conferences. 2nd International High Performance Buildings Conference at Purdue.
  • Publication date: 2012/07/16

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