The ESPSS toolkit is in constant development and, the main upgrades for the 3.8 version are:
- HTP Catalytic Bed for green monopropellant combustors
- Extended Arrhenius Calculation to Liquid and Gaseous Film Cooling Components
- New Components (RCS, chill-down pump, coking, advanced injectors)
![](https://indico.esa.int/event/465/images/1196-CatalyticBed.png)
New Catalytic Bed Component