MECHANICAL ENGINEERING
Combustion Laboratory
Experiment and Simulation Comparison
LEWIS RESEARCH CENTER

Spread Rate and Peak Vaporization Temperature Comparison

Experiment

DARTFIRE

Computation.. PPS2A

Computation.. PPS2B

Simplified Theory

Vf , mm/s

Tvap, K

Vf , mm/s

Tvap , K

Vf , mm/s

Tvap , K

Vf , mm/s

1B

0.19

661.7

0.09

557.6

0.08

640.4

0.12

2B

0.32

660.7

0.33

587.3

0.28

653.0

0.27

3B

0.45

662.4

0.51

610.7

0.44

663.0

0.38


Experiment and PPS2A spread rate comparison
Experiment and PPS2B spread rate comparison
Experiment 1B surface temperature (radiometer)
Experiment 2B surface temperature (radiometer)
Experiment 3B surface temperature (radiometer)