Symbol | Definition | Unit |
---|---|---|
δ _{c} | critical Damköhler number | - |
r _{o} | characteristic length | m |
k | thermal conductivity | W m^{-1}·K^{-1} |
h | convective heat transfer coefficient | W m^{-2}·K^{-1} |
T _{a} | critical ambient temperature | K |
A | pre-exponential factor in the Arrhenius equation | s^{-1} |
ΔH _{c} | heat of reaction | J kg^{-1} |
ρ | density | kg m^{-3} |
E | activation energy | J mol^{-1} |
R | universal gas constant (8.314) | J K^{-1}·mol^{-1} |