FCYCLE-CCYCLE-NCYCLE allow the user to select one of five types of cooling systems:
Once Through Condenser
Surface Condensers are modeled using the Heat Exchange Institute Procedures. The required data is shown below.
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Up to three separate condenser zones with three pressure levels may be modeled.
• Mechanical Draft Cooling Tower/Condenser
Cooling Towers may be modeled using:
• Vendor Curves
• The Marley Co.'s "Rating Factor/Tower Units" method, for mechanical draaft towers, or the "CTE Units" method for natural draft cooling towers. These methods give excellent results from a minimum of data.
• KVA/L vs L/G data using Merkel's equation. This predicts tower performance under a full range of conditions.
Air Cooled Condenser
Air cooled condensers are modeled by scaling performance from a known design point using a minimum of vendor data