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NCT 113

Advantages of Induced Draft Induced Draft Cross Flow Cooling Tower

  1. Energy Efficiency:
    1. Fan handles less dense warm air (volume increases when heated)
    1. Requires less fan power than pushing cold dense air (as in forced draft)
  2. Reduced Recirculation:
    1. High-velocity vertical discharge disperses exhaust air upward
    1. Minimal hot air re-entry into inlets
  3. Better Air Distribution:
    1. Negative pressure creates even horizontal airflow
  • Prevents “dead zones” in fill media
  • Weather Protection:
    • Fan exhaust prevents rain/snow ingress
    • Reduced icing risk in cold climates
  • Maintenance Advantages:
    • Mechanical components concentrated at top
    • Easier access for fan/motor maintenance