Two types of laboratory simulations, i. e. Hertzian simulation and Geometrical simulation, are discussed in comparison along with the IIT-GMEMD Wheel Rail simulation Facility.

The key role of spray-cooler for hot gas in active ejection altitude simulation facility, indicates that the control of temperature of hot gas ensures regular service for tests.

We developed the ground VUV simulation facility for the research of vacuum ultraviolet irradiation and the compound effect of vacuum ultraviolet radiation with other space environments.