Welcome to our Technical Paper Index
We have extracted the relevant fired heater questions and answers from NPRA Q& A sessions for your quick browsing
List of NPRA Q & A Sessions
Efficiency Calculator
- Download this free efficiency calculator excel spreadsheet for gas combustion. Others are on the way.
Efficiency Table
- Use it to read the efficiency quickly. You will need excess 02 in flue gas and stack flue gas temperature.
Efficiency Curve
- Use it to check the efficiency accurately. You will need excess air in flue gas and stack flue gas temperature.
Excess Air Curve
- Use this curve to estimate excess air from excess Oxygen in the flue gas.
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