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Cooling tower calculator

Posted on November 23, 2023

This online cooling tower calculator helps system designers calculate all necessary parameters at a shot.

With this online calculator, the following information can be calculated.

  1. Heat Rejection of cooling tower in kw or tonnage.
  2. Range ( Temperature difference between Inlet water – Outlet water), also referred as EWT- LWT.
  3. Approach (Temperature difference between Outlet water – Wet Bulb Temperature), also referred as LWT- WBT.
  4. Evaporation Loss in %.
  5. Evaporation Loss in m3/hr
  6. Effectiveness of cooling tower in %
Calculator

Cooling Tower heat Rejection – Calculation Tool


m3/hr
°C
°C
°C
Range: °C
Approach: °C
Evaporation Loss: %
Theoretical Evaporation Loss: m3/hr
Heat Rejection Capacity: kw
Effectiveness: %

Heat rejection in tonnage.

For general practice cooling tower’s heat rejection is always higher than that of chillers. usually 10-15%, depending on site safety margin.

Cooling tower calculations are the same for all types of cooling towers, Be it a natural draft cooling tower or mechanical draft.

Other calculators.

Required motor power calculator

Cooling tower make-up water calculator

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