Performance Testing
Articles on CTI-informed cooling tower performance testing — range, approach, cooling effectiveness, and what the numbers mean for your plant. See our inspection and performance testing service for the full method.

Cooling Tower Performance Curves: Reading the Crossplot
How a curve family is interpolated, and how the crossplot turns a test point into a capability %.

The Merkel Number Explained: KaV/L and the Entering-Air Convention
What the Merkel number KaV/L measures, how the operating line is built, and the convention behind it.

Cooling Tower Capability Explained: What 100% Really Means
How capability is computed from two curves, and why a 100% result is a comparison, not a temperature.

Cooling Range and Approach explained with a worked example
Cooling tower Range and Approach defined, with the effectiveness formula and a worked example.

Cooling Tower Water Too Warm? 7 Checks Before a Major Repair
Seven checks for water that leaves the tower too warm — flow, distribution, fill, airflow — before a repair.

Cooling Tower Performance Testing: What It Is and Why It Matters
What a cooling tower performance test measures — Range, Approach, airflow and water distribution.
