MECHANICAL ENGINEERING
Combustion Laboratory
Experimental Conditions
LEWIS RESEARCH CENTER
Parameters Varied in the Experiments
EXPERIMENT
O
2
(%)
V
g
(cm/s)
q"
e
(W/cm
2)
1A
35
1
1
1B
50
1
0
2A
50
1
1
2B
50
5
0
3A
50
1
2
3B
50
10
0
4A
50
1
1
4B
70
1
0
NASA has launched 4 DARTFire sounding rockets, each having 2 experiments on board (A & B). The parameters modified in these experiments are:
opposed flow conditions
percentage oxygen (O
2
)
velocity (V
g
)
addition of an external source of radiation
q"
e
The flame-spread rates (V
f
) are shown in the table.
