Research Article

Simulation of Thermal Decomposition of Calcium Oxide in Water with Different Activation Energy and the High Reynolds Number

Table 1

Summary of parameters.

ParametersValueDescription

E75,000 j/mol–80,000 j/molActivation energy
A16.96e12 1/hFrequency factor
Uk1300 W/m2/KOverall heat-transfer coefficient
0.559 W/m/KThermal conductivity mixture
312 KInlet temperature
273 KThe inlet temperature of the coolant
−64,300 J/molHeat of reaction
1.57 × E−5 m3/s−1.57 × E−4 m3/sTotal flow rate
i.c1%–5%Percentage concentration of calcium oxide
43210 Water concentration, inlet
0.1 mReactor radius
L1 mReactor length
56.0774 g/molMolar weight, calcium oxide
18 g/molMolar weight, water
74.093 g/molMolar weight, calcium
3.34 g/cm3Density, calcium oxide
1000 kg/m3Density, water
2.24 g/cm3Density, calcium hydroxide
1e − 3 PasReference dynamic viscosity, water
293 KReference temperature viscosity
75.36 J/mol/KMolar heat capacity, water
Re100–1000Reynolds number
CThe concentration of the mixture in
Velocity along the radial (r) direction
Velocity along the axial (z) direction
TThe temperature in the reactor was measured in kelvin (K)