sonya t. smith- howard university center · sonya t. smith- howard university center 1...
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AN NSF SPONSORED
CENTERSonya T. Smith- Howard University
1
• Theoretical and Computational Fluid Dynamics
• Internal/External Flows
I-V and Power Density Curves: Present Work vs Li et al2
0
0.2
0.4
0.6
0.8
1
1.2
1.4
0 0.2 0.4 0.6 0.8 1 1.2
Current Density (A/cm2)
Volta
ge (V
)
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
Power D
ensity (W/cm
2)
Li et al I-V Curve Present Work I-V Curve Li et al Power Density Curve Present Work Power Density Curve
Heat Removal and Pumping Power vs Mass Flow-rate
0
20
40
60
80
100
120
140
160
180
0 0.002 0.004 0.006 0.008 0.01 0.012
Mass Flow-rate (kg/s)
Hea
t Rem
oval
(W)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Pumping Pow
er (hp)
Heat Removal Pumping Power
Performance optimization
Advanced Grid Generation Techniques
Computational domain
Effect of Optimal Coolant Channel Placement on PEM Fuel Cell Performance