Oil Burner optical flame analysis

unclesamnorweiganAI and Robotics

Oct 18, 2013 (3 years and 8 months ago)

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Oil Burner optical flame analysis


The International Aircraft Materials
Fire Test Working Group


March 5
-
6 2003

Atlantic City NJ
.

International Aero Inc

Fire protection laboratory


Supports these Regulatory Agencies and Industry
Groups


Quicker and improved burner
calibration


Optical machine vision flame analysis


1.2 μm IR camera


BT Rig adapter frame


24” x 24” (60.96 Cm X 60.96 Cm)
Nextel paper target


LabView Machine vision module


Test set up



I/R
Camera


Frame


Burner


Paper &
holder

Test set up

After burner calibration IAW Test method

Camera is aligned to center of cone / fuel
nozzle

Install Nextel paper and re align burner to
impinge on the paper at the same location as
the insulation on burn through device.

Pre heat burner and rotate on to Nextel paper

start video recording for 200
-
300 frames. Save
data as .AVI movie format

Post recording processing


Intel P2 400Mhz or higher


LabView and Capture software required


Evaluation is internet capable




Numerical averaging


Video shot through a #10 welding glass to
attenuate the iridescence from the Nextel
paper


Short wave length IR camera


30 Frames per second (30fps)


Each frame is 300 X 300 pixels


Each pixel has a value of 0
-
256


Evaluation Instrument


Virtual
device

Select file to interpret



Pull
down
menu


Pre recording alignment


Turn on
cone
marker


Align
to cone
photo

Select video and process


Select
from file


Annotate
photo


Start


Save Data


Save photo




photo of burner value can be
saved and sent in for review


Changes
can be
studied



Burners can
be matched

Pre and Post image adjustments


Different way to look at
the flame





Temperature range
adjustments




Determine if there is really a
difference in lab burners


Measure with a
micrometer



cut with a AX



numerical value for
each burner each
cal


Future work


Calibrate the IR image to more accurate
temperature measurements


Validate the test method


develop a burner value using the method
and collect data from the BT labs.

Mapped demo


600 hours to develop refine


Can be run as a stand alone or over the
internet


Easy and cheap setup ($300
-
500


Repeatable


Requires licensed software