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Performance Analysis of Integrated Active Desiccant Rooftop Air-Conditioning System Operating in Heating Mode

[+] Author Affiliations
Andrei Yu. Petrov, James R. Sand, Abdolreza Zaltash, G. Randall Wetherington

Oak Ridge National Laboratory

John Fischer, Rick Mitchell

SEMCO Incorporated

Paper No. IMECE2005-79238, pp. 13-20; 8 pages
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Advanced Energy Systems
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Advanced Energy Systems Division
  • ISBN: 0-7918-4211-8 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME


This investigation describes the performance study of a novel Integrated Active Desiccant-Vapor Compression Hybrid Rooftop (IADR) at Oak Ridge National Laboratory (ORNL) in heating mode. The tests were performed at two different ratios of outdoor/return air. Analysis of performance characteristics under each operating mode, including heating capacity and energy efficiency ratio, are given. Results of defrost cycle are also presented. Comparison between the experimental performance of IADR unit and the calculated performance of other commercially available heat pump systems at comparable operating conditions has been conducted.

Copyright © 2005 by ASME



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