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Impact of Burner Tab and Duct Design on Calibration Results in Round Robin II Testing

This report presents the findings from the Round Robin II testing, focusing on how the configuration of the burner tab and intake duct influences calibration outcomes. Key parameters evaluated include air intake velocity, thermocouple rake temperatures, and heat flux. The study identifies variations caused by different burner air turbulators and recommends setups to achieve optimal calibration results. The results show that burner configuration significantly impacts calibration speed and efficiency compared to duct design, highlighting the importance of selecting appropriate burner arrangements.

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Impact of Burner Tab and Duct Design on Calibration Results in Round Robin II Testing

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  1. Round Robin II Calibration/Test Results • Impact of Burner Tab and Intake Duct on Calibration/Test Results • Variations in Burner Air Turbulators Discovered

  2. Round Robin II Calibration Requirements • Air Intake Velocity: 2150 +/- 50 ft/min • Thermocouple Rake Temperatures: 1850+/- 100oF • Heat Flux: 16.0 +/- 0.8 Btu/ft2 sec

  3. Round Robin II Recommended Burner Configuration • Igniters @ 10:00 Position • 1 Tab in Top Left Position • Static Disc In Draft Tube • 3.75-Inch Distance from Nozzle Tip to Turbulator

  4. Round Robin II Material Combinations: 1) 2 Layer 0.60 lb/ft3 Fiberglass 2) 1 Layer Nextel Ceramic Paper/2 Layer 0.42 lb/ft3 Fiberglass 3) 2 Layer 0.60 lb/ft3 Curlon 4) 1 Layer TTI Felt/1 Layer 0.42 lb/ft3 Fiberglass

  5. FAATC Round Robin II Tab/Igniter Arrangement

  6. FAATC Round Robin II Tab/Igniter Arrangement

  7. Various Burner Arrangements Used in Round Robin II

  8. Influence of Tab and Intake Duct on Calibration and Test Results

  9. Position of Flame Deflection Tab

  10. 4 Burner Configurations: No Tab/With Duct (NTWD) No Tab/No Duct (NTND) With Tab/With Duct (WTWD) With Tab/No Duct (WTND)

  11. Tab/Intake Duct Test Conclusions Burner Calibration Influenced More From Tab Than Duct Test Results Influenced More From Burner Set-up Than Calibration No Tab = Temp Calibration = Quicker Failure Time /

  12. Influence of Turbulator on Calibration and Test Results

  13. Differences Between “Old” and “New” Park Burners Old New 2 3/4-Inch Turbulator 2 5/8-Inch Turbulator Opposing Turbulator Flow Identical Turbulator Flow No Static Disc Static Disc

  14. Old and New Style Turbulators Old New 2 3/4” I.D. 2 5/8” I.D. C.W. C.W. C.C.W. C.W. 4” O.D. 3 7/8” O.D. No Disc Disc

  15. Burner Equipment Assortment

  16. Monarch H215 Turbulator with Static Disc

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