conduction through the insulation to the ambient at 300 K. Fig. 5 (b) shows the diffusion of momentum
through the fluid domain due to the wall rotation. The argon quench gas attained a velocity of 0.1 m/s at
the aperture. The cavity temperature dropped due to the absorption of the heat by the freshly fed ZnO
particles and by re-radiation loss.
3.3 Feeding of zinc oxide
After the sensible heating of the reactor cavity and insulation, about 284 g of ZnO particles is fed for
50 s into the rotating reactor cavity. During the feeding phase, the input power is stopped so that the
temperature does not rise which would otherwise increase the dissociation of ZnO. The momentum
diffused through the fluid domain due to the wall rotation. The argon quench gas attained a velocity of 0.1
m/s at the aperture. The cavity temperature is dropped due to the absorption of the heat by the freshly fed
ZnO particles and also by re-radiation loss. At the end of heating phase, the cavity temperature reached a
maximum value of 1560 K. After 50 s of the feeding phase, cavity temperature dropped by 150 K. The
dissociation reaction of ZnO based on Arrhenius model initiated and the products of reaction, i.e, zinc (g)
conduction through the insulation to the ambient at 300 K. Fig. 5 (b) shows the diffusion of momentum
through the fluid domain due to the wall rotation. The argon quench gas attained a velocity of 0.1 m/s at
the aperture. The cavity temperature dropped due to the absorption of the heat by the freshly fed ZnO
particles and by re-radiation loss.
3.3 Feeding of zinc oxide
After the sensible heating of the reactor cavity and insulation, about 284 g of ZnO particles is fed for
50 s into the rotating reactor cavity. During the feeding phase, the input power is stopped so that the
temperature does not rise which would otherwise increase the dissociation of ZnO. The momentum
diffused through the fluid domain due to the wall rotation. The argon quench gas attained a velocity of 0.1
m/s at the aperture. The cavity temperature is dropped due to the absorption of the heat by the freshly fed
ZnO particles and also by re-radiation loss. At the end of heating phase, the cavity temperature reached a
maximum value of 1560 K. After 50 s of the feeding phase, cavity temperature dropped by 150 K. The
dissociation reaction of ZnO based on Arrhenius model initiated and the products of reaction, i.e, zinc (g)
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