This tool evaluates the performance of a regenerative air heater by comparing actual operation to design conditions. It calculates air‑leakage and quantifies its economic impact on fan power demand and heater effectiveness, while also assessing costs related to fouling, plugging, or basket deterioration.
It further estimates load limitations that occur when a degraded fan cannot supply the required combustion air once leakage exceeds the manufacturer’s design allowance. By combining leakage‑related losses with effectiveness degradation, the tool provides a comprehensive measure of the air heater’s total economic impact on a plant's performance.
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