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Evaporative Cooler Formulas
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Evaporative Cooler Effectiveness:
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| E = |
Tedb – Tldb
Tedb – Tewb |
x 100 |
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Where:
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Tedb = Dry Bulb Temperature Entering Media, °F
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Tldb = Dry Bulb Temperature Leaving Media, °F
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Tewb = Wet Bulb Temperature Entering Media, °F
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Water Evaporation Rate Estimate:
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| Gallons per minute = |
V x (Tedb – Tldb)
500,000 |
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Where:
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V = Air Volume in cubic feet per minute, cfm
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Tedb = Dry Bulb Temperature Entering Media, °F
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Tldb = Dry Bulb Temperature Leaving Media, °F
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