Simulation of Thermal Decomposition of Calcium Oxide in a Backward Step Tubular Reactor Containing a Cooling Jacket to Enhance the Heat Transfer and the Rotation Rate

Table 1

Table of parametric selection.

Parameters	Value	Description
	71,000 J/mol-75,000 J/mol	Activation energy
	16.96^12 [1/h]	Frequency factor
	1300 W/m^2/K	Overall heat-transfer coefficient
	0.559 W/m/K	Thermal conductivity mixture
	312 K	Inlet temperature
	273 K	The inlet temperature of the coolant
	-64,300 J/mol	Heat of reaction
	-	Total flow rate
	1%-3%	Percentage concentration of calcium oxide as an initial concentration
	43210	Water concentration, inlet
	0.2 m	Reactor radius
	1 m	Reactor length
	56.0774 g/mol	Molar weight, calcium oxide
	18 g/mol	Molar weight, water
	74.093 g/mol	Molar weight, calcium
	3.34 g/cm^3	Density, calcium oxide
	1000 kg/m^3	Density, water
	2.24 g/cm^3	Density, calcium hydroxide
	1-3 Pas	Reference dynamic viscosity, water
	293 K	Reference temperature viscosity
	75.36 J/mol/K	Molar heat capacity, water
	100-500	Reynolds number