Hybrid heat rejection systems can provide options to save both water and annual operating costs. However, to determine the benefit, the heat rejection systems and the cooling systems in which they operate must be evaluated thoroughly over the full range of annual operating conditions. The operation of a new class of hybrid heat rejection system called the Thermosyphon Cooler Hybrid System (TCHS) will be described. The need and methodology for conducting an annual system simulation analysis will be discussed. This presentation will feature case for a traditional air cooled, water cooled, and TCHS chiller plants operating at four different universities.
Tom Carter, Johnson Controls
1800 West Park Drive, Suite 350
Westborough, MA 01581 USA
Phone +1 (508) 366-9339
Fax +1 (508) 366-0019
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