Exact(8)
Simulations comparing differing model assumptions show that there are slight differences between results when fluid and solid temperatures are taken to be identical and results when a difference between fluid and solid temperatures is assumed.
The method has been used to obtain gas and solid temperatures during the ethylene epoxidation reaction carried out on a silver-copper oxide catalyst.
Process dynamics are analysed to demonstrate how solid temperatures along the axes of the reactor reflect the endothermic/exothermic interplay of reactions during a process upset.
Gas and solid temperatures in the catalyst bed were measured at different axial and radial positions as well as concentrations at different axial position.
In addition, an alternate fuel geometry is considered with helical fins (replacing straight fins in the existing design) to investigate the relative changes in predicted fluid and solid temperatures.
Infrared thermographic techniques have been used for the first time to determine real-time gas and solid temperatures, as well as gas-solid temperature gradients in microwave heated structured reactors.
Similar(52)
Of the dimensionless maximum solid temperature, average solid temperature and average inner boundary temperature, the first two are much sensitive to solid-to-fluid thermal conductivity ratio.
The solid temperature at the front has been smoothed out using an internal layer asymptotic approximation.
The gas flow temperature increases monotonically for all the cases, and is mainly determined by the solid temperature.
The results demonstrate that decreasing the height of flow channels can lower the average solid temperature and improve cell efficiency.
The simulation results of solid temperature, gas species and process rate in the bed are accordant with experimental data.
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