1. MODELING A METAL HYDRIDE HYDROGEN STORAGE SYSTEM
Presented by Apurba Sakti
EGEE 520
1st May, 2007

2. Introduction Hydrogen storage in metal hydride bed
Storage through adsorption and desorption
Conduction, convection and diffusion
2D axi-symmetric model
[1]
1. Veziroglu et al. Int. Journal of Energy Res. 2003; 27:

3. Governing Equations Energy equation Where, Momentum balance equation
Hydrogen Mass Balance
div
Reaction Kinetics

4. Formulation Cooling Fluid Cooling Fluid Initial Temperature 293K
Axial symmetry
Constitutive Relation:
Darcy’s law
Conduction, Convection and Diffusion
Hydrogen Charge

5. Solution
Pressure
Temperature
Concentration
Concentration

6. Validation Hydride formation Temperature Profile [1]
1. Veziroglu et al. Int. Journal of Energy Res. 2003; 27:

7. Parametric Study
Temperature (*0.1)
Temperature (*10)

8. Conclusion
Temperature and Concentration profiles modeled (results agree with literature)
Cooling fluid improves hydride formation
Future work will include building on this groundwork to make the model represent more accurately.