Agriculture & Forestry
Broiler House Evaporative Cooling Pad Surface Area Sizer
Calculate broiler house evaporative cooling pad surface area using the stated engineering or scientific relationship and adjustable field inputs.
Preparing your result…
What this calculator does
Calculates Broiler House Evaporative Cooling Pad Surface Area Sizer using the formula verified against the cited source.
What your result means
An estimate from the inputs you enter, within the scope stated below — not advice.
Formula
Pad area = total fan airflow ÷ pad face velocity
The step-by-step working for your own numbers appears with the result above and in the PDF report.
Frequently asked questions
Symbols and assumptions
- Inputs
- The values entered in the fields above
- • Required evaporative-pad face area ft²=design airflow cfm/selected pad-face velocity ft/min. Total length of a pad height H=area/H, if that layout is used.
Sources and review
Reviewed 2026-10-18 · Next review 2027-04-18
- • Select face velocity for actual pad thickness/flute type and manufacturer pressure-loss data; the source gives different design examples for 4-inch and6-inch pads. Do not treat a single velocity as universally optimum. Consider actual delivered fan flow, bypass and maintenance; this sizes area, not guaranteed cooling temperature.
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Quick reference
| Scenario | Total tunnel fan airflow (cfm) | Design pad face velocity (ft/min) | Required pad area |
|---|---|---|---|
| Worked example | 2,50,000 | 250 | 1,000 ft² |
| Half the amounts | 1,25,000 | 125 | 1,000 ft² |
| Double the amounts | 5,00,000 | 500 | 1,000 ft² |
Need the full picture? Get the detailed PDF report with charts, tables, formulas and working steps.
Reviewed 2026-10-18 · Next review 2027-04-18
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