| frequency factor (1/s) |
| concentration of the reactant “A” in water (mol/m3) |
| specific heat capacity (J/(kg×K)) |
d | characteristic length (m) |
| diffusivity of the reactant “A” in water (m2/s) |
| activation energy (J/mol) |
| heat of reaction (J/mol) |
| thermal conductivity (J/(m×K×s)) |
| reaction rate constant (1/s) |
N | number of nodes for each biquadratic element |
p | pressure (N/m2) |
| expelled energy (J/(m3・s)) |
| reaction rate (mol/(m3・s)) |
Re | Reynolds number |
| gas constant (J/(mol・K)) |
| nonlinear residual equations |
t | time (s) |
| fluid temperature (K) |
| average temperature (K) |
| rods temperature (K) |
| inlet reactant fluid temperature (K) |
Re | Reynolds number |
| x and y components of dimensional velocities, respectively (m/s) |
| inlet reactant fluid velocity (m/s) |
| natural coordinates |
| density (kg/m3) |
| dynamic viscosity (N×s/m2) |
| domain of element e |
| penalty parameter |
| k element shape function |