Tim Marker FAA Technical Center Burnthrough Task Group Report.
Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard...
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![Page 1: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/1.jpg)
Tim Marker
Discussion of Burner Heat Flux Mapping forProposed Insulation Burnthrough Test Standard
FAA Technical Center
![Page 2: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/2.jpg)
Heat Flux Mapping of Burner Flame
Purpose: To produce a burner flame profile to determine if the highheat flux area(s) are in the same location as the current location usedduring calibration.
Methodology: Use existing heat flux transducer (calorimeter) tomeasure the heat flux at a variety of pre-set locations. ____________________
The flame profile is a useful tool in making lab-to-lab comparisons.
![Page 3: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/3.jpg)
Pre-Set heat flux measuring locations
![Page 4: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/4.jpg)
1 2 3 4 5 6 7S1
S2
S3
Lab F New Mapping Procedure, No Intake Duct, 2150 Ft/min
17.28-17.36
17.19-17.28
17.11-17.19
17.02-17.11
16.94-17.02
16.85-16.94
16.77-16.85
16.68-16.77
16.60-16.68
16.51-16.60
16.43-16.51
16.34-16.43
16.26-16.34
16.17-16.26
16.09-16.17
16.00-16.09
![Page 5: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/5.jpg)
1 2 3 4 5 6 7S1
S2
S3
Lab F, New Mapping Procedure w/Intake Duct, 2150 Ft/min
16.83-16.92
16.75-16.83
16.66-16.75
16.58-16.66
16.49-16.58
16.41-16.49
16.32-16.41
16.24-16.32
16.15-16.24
16.07-16.15
15.98-16.07
15.90-15.98
15.81-15.90
15.73-15.81
15.64-15.73
15.56-15.64
![Page 6: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/6.jpg)
1 2 3 4 5 6 7S1
S2
S3
Lab B, New Mapping Procedure w/Intake Duct, 2150 Ft/min
16.50-16.62
16.38-16.50
16.26-16.38
16.14-16.26
16.02-16.14
15.90-16.02
15.78-15.90
15.66-15.78
15.54-15.66
15.42-15.54
15.30-15.42
15.18-15.30
15.06-15.18
14.94-15.06
14.82-14.94
14.70-14.82
![Page 7: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/7.jpg)
1 2 3 4 5 6 7S1
S2
S3
Lab C, New Mapping Procedure w/Intake Duct, 2150 Ft/min
14.30-14.40
14.20-14.30
14.10-14.20
14.00-14.10
13.90-14.00
13.80-13.90
13.70-13.80
13.60-13.70
13.50-13.60
13.40-13.50
13.30-13.40
13.20-13.30
13.10-13.20
13.00-13.10
12.90-13.00
12.80-12.90
![Page 8: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/8.jpg)
1 2 3 4 5 6 7S1
S2
S3
Lab G, New Mapping Procedure w/Intake Duct, 2150 Ft/min
15.75-15.86
15.64-15.75
15.53-15.64
15.42-15.53
15.31-15.42
15.20-15.31
15.09-15.20
14.98-15.09
14.87-14.98
14.76-14.87
14.65-14.76
14.54-14.65
14.43-14.54
14.32-14.43
14.21-14.32
14.10-14.21
![Page 9: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/9.jpg)
Conclusions of Mapping (2nd time)
Standardization of intake system likely reduced lab-to-lab differences
Full analysis of progress very difficult:
Standardized mapping procedure not fully adhered to (2 of 5 mapped differently)
Small data set (only 5 of 9 labs reporting)
Elimination of “highly irregular” flame profiles
![Page 10: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/10.jpg)
Future Considerations
Standardization of calorimeter mounting block size/type
Standardization of initial temperature of calorimeter block
Use the 6- by 12-inch marinite block specified in proposed Rule,
Use another agreed-to size/type of mounting block
Thermocouple imbedded into mounting block surface provides accurateinitial temperature
Heat soak the calorimeter prior to start of mapping
Revised data collection procedure
Continuous collection of all 21 data points without shutting burner off
![Page 11: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/11.jpg)
Heat Flux Transducer Sample HolderUsed for Continuous Data Collection
![Page 12: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/12.jpg)
Heat Flux Transducer Sample HolderUsed for Continuous Data Collection
![Page 13: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/13.jpg)
Heat Flux Transducer Sample HolderUsed for Continuous Data Collection
![Page 14: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/14.jpg)
Heat Flux Transducer Sample HolderUsed for Continuous Data Collection
Insufficient board material between holes
Crack!
![Page 15: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/15.jpg)
Revised Pre-Set Heat Flux Measuring Locations
![Page 16: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/16.jpg)
Initial Result Using Marinite Board
Marinite-inorganic calcium silicate board
![Page 17: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/17.jpg)
Second Result Using Zircal-95 Board
Zircal 95-high density calcium silicate hydrate mix
![Page 18: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/18.jpg)
Second Result Using Zircal-95 Board
![Page 19: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/19.jpg)
Conclusions
Continuous mapping of burner flame using pre-drilledsample board/heat flux transducer very difficult.
Future of HF mapping
Original mapping method, with sufficient cooling time between locations.
Imbedded thermocouple placed in mapping block to ensure appropriate start time.
Continuous mapping using thicker/stronger board material, with sufficientprotection for operator.
Alternative approach using IR camera.
![Page 20: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/20.jpg)
Tim Marker
FAA Technical Center
Burnthrough Task Group Report
![Page 21: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/21.jpg)
![Page 22: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/22.jpg)
Revised Burner Mapping Procedure
2 minute warm-up + 1 minute soak, 10 second data collection
Position 1
![Page 23: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/23.jpg)
Move entire board 1 inch, 10 second data collection
Revised Burner Mapping Procedure
Position 2
![Page 24: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/24.jpg)
Revised Burner Mapping Procedure
Move entire board 1 inch, 10 second data collection
Position 3
![Page 25: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/25.jpg)
Revised Burner Mapping Procedure
Move entire board 1 inch, 10 second data collection
Position 4
![Page 26: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/26.jpg)
Revised Burner Mapping Procedure
Move entire board 1 inch, 10 second data collection
Position 5
![Page 27: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/27.jpg)
Revised Burner Mapping Procedure
Move entire board 1 inch, 10 second data collection
Position 6
![Page 28: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/28.jpg)
Revised Burner Mapping Procedure
Move entire board 1 inch, 10 second data collection
Position 7
![Page 29: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/29.jpg)
Revised Burner Mapping Procedure
Move entire board back to 1st position, 10 second data collection
Position 1
![Page 30: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/30.jpg)
Revised Burner Mapping Procedure
Position 8
Drop entire board down 1 inch, repeat process
![Page 31: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/31.jpg)
Position 9
Revised Burner Mapping Procedure
![Page 32: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/32.jpg)
Position 10
Revised Burner Mapping Procedure
![Page 33: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/33.jpg)
Position 11
Revised Burner Mapping Procedure
![Page 34: Tim Marker Discussion of Burner Heat Flux Mapping for Proposed Insulation Burnthrough Test Standard FAA Technical Center.](https://reader036.fdocuments.in/reader036/viewer/2022062500/5697c0021a28abf838cc2feb/html5/thumbnails/34.jpg)
Summary of New Mapping Process
FAATC will draft up detailed drawings of new mapping board, including details suchas material type, thickness, density, etc.
Individual labs will be responsible for constructing their own mapping board.
International Aero will continue its development of the IR mapping device, and acomparison of the 2 methods can be made prior to the next meeting.
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