A mathematical model is developed to model and simulate the performance of an electrochemical carbon dioxide concentrator designed for use in manned spacecraft. The analysis of the kinetic and mass transport mechanisms reduces to the solution of two non-linear ordinary differential equations which are solved by a shooting method. Most of the parameters required by the model are estimated from independent measurements or theoretical expressions. The model simulates the carbon dioxide removal rate over the experimental range and extends calculations well beyond the experimental range. It can thus be used in optimum design studies. The model also calculates the concentration distributions of the different species. These are important in determining the limits of cell operation in low humidity environments and can be useful in estimating the overvoltage components in the cell.
Simulation of carbon dioxide concentrator
Simulation eines Kohlendioxidkonzentrators fuer die bemannte Raumfahrt
1976
211 Seiten
Hochschulschrift
Englisch