COOLING TOWER - MAKE UP WATER CALCULATION


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PARAMETER Symbol Unit Input
Water flow rate Q m³/h
Cycle of concentration C C
Inlet temperature of water ti °C
Outlet temperature of water to °C

Result

PARAMETER Symbol Formula Result
Tower temperature range (°C) ΔT ti - to 0.00
Evaporation (m³/h) E 0.00085 × Q × ΔT 0.00
Drift loss (m³/h) D 0.0002 × Q 0.00
Blow down (m³/h) B E - ((C - 1) × D) / (C - 1) 0.00
Total amount of make up water (m³/h) E + D + B 0.00

Cooling Tower Image

How to use the tool

  1. Enter the water flow rate (Q) in m³/h.
  2. Enter the cycle of concentration (C).
  3. Enter the inlet temperature (ti) in °C.
  4. Enter the outlet temperature (to) in °C.
  5. Results (ΔT, E, D, B, Total) update automatically as you change inputs.
  6. Review the Breakdown section for the calculated intermediate values.

Formula Used

ΔT = ti - to
E = 0.00085 × Q × ΔT
D = 0.0002 × Q
B = E - ((C - 1) × D) / (C - 1)
Total = E + D + B
Disclaimer: This tool may sometimes produce inaccurate results; please consult a professional for critical calculations.