Princeton University

DCE TEST MATRIX - Bottle 2

Droplet Combustion Modeling Results







Bottle 2 Conditions

Conditions and Test Points Simulated:

Ox. Environment
Pressure
Test Point Numbers
70% He / 30% O2
1 Atm
D103015A, D103030A, D103050A

Bottle 2 Simulation Results


The following is a summary of simulation results for 3 different initial diameters for the conditions of Bottle 2. Burning rate and flame temperature are compared at time/(initial diameter)^2 = 0.125.

Test Point No.
Diameter
Burning Rate [mm2/s]
Flame Temp [K]
Burn Time [sec]
Extinction Diameter [microns]
D103015A
1.5 mm
1.42
2049
1.70 sec
40 microns
D103030A
3.0 mm
1.30
1717
7.87 sec
203 microns
D103050A
5.0 mm
1.00
1526
6.10 sec
4410 microns

Simultation Results - Figures


The following is a plot of diameter-sqaured vs. normalized time for Bottle 2 test cases D103015A, D103030A, and D103050A.

The following is a plot of instantaneous burning rate vs. normalized time for Bottle 2 test cases D103015A, D103030A, and D103050A.
The following is a plot of flame radius vs. time Bottle 2 test cases D103015A, D103030A, and D103050A.