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Cooling Tower Evaporation, Blowdown & Makeup Water Calculator

Easily calculate and compute cooling tower evaporation, blowdown & makeup water calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
15.58 GPM

Total Makeup Water Flow Rate M (GPM)

Total Makeup Water Flow Rate M (GPM)

15.58 GPM

Total Makeup Water Gpm

15.58

Evaporation Loss Gpm

12

Blowdown Rate Gpm

3.43

Drift Loss Gpm

0.15

15.58 — GPM

Calculation Breakdown

  1. Applied FormulaCalculates the complete water mass balance for open evaporative cooling towers including evaporation loss, blowdown discharge, drift loss, and necessary raw makeup water flow.E = 0.0008 \cdot Q_{\text{circ}} \cdot R, \quad B = \frac{E}{\text{CoC} - 1}, \quad M = E + B + D

Cooling Tower Water Balance Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.03.97.81216Total Makeup Water Flow Rate M (GPM)

What Is the Cooling Tower Evaporation, Blowdown & Makeup Water Calculator?

This tool computes cooling tower evaporation, blowdown & makeup water calculator with high precision arithmetic.

How Does the Cooling Tower Evaporation, Blowdown & Makeup Water Calculator Work?

Calculates the complete water mass balance for open evaporative cooling towers including evaporation loss, blowdown discharge, drift loss, and necessary raw makeup water flow.

Cooling Tower Evaporation, Blowdown & Makeup Water Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

E=0.0008⋅Qcirc⋅R,B=ECoC−1,M=E+B+DE = 0.0008 \cdot Q_{\text{circ}} \cdot R, \quad B = \frac{E}{\text{CoC} - 1}, \quad M = E + B + D

Calculates the complete water mass balance for open evaporative cooling towers including evaporation loss, blowdown discharge, drift loss, and necessary raw makeup water flow.

How to Use the Cooling Tower Evaporation, Blowdown & Makeup Water Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Cooling Tower Evaporation, Blowdown & Makeup Water Calculator Example

Input Values:

circulatingFlowGpm:1500
coolingRangeF:10
cyclesOfConcentration:4.5
driftLossPct:0.01
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required GPM.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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