Burner Calculator
This page provides simple, transparent formulas you can use for early sizing and sanity checks. For procurement and commissioning, validate against measured data and manufacturer documentation.
Fuel rate estimate
fuel_rate ≈ heat_input / (LHV × efficiency)
Use LHV for consistent comparison. Efficiency here is a rough assumption for early estimates, then refine during commissioning.
Turndown check
turndown = max_fire / min_fire
Min-fire stability often determines whether low-load operation is reliable.