Experimental Verification of Selection Method Design Parameters of the Jet Penetrators for Movement in the Lunar Soil

Abstract

The article discusses the creation of selection method design parameters of the jet penetrators equipped with solid rocket motor fuel for movement in the lunar soil. There are calculated dependencies to determine the penetration depth, velocity and acceleration of motion at each time point as a function of the penetrator parameters, its launch conditions and physico-mechanical properties of the regolith. It is established that the maximum depth of penetration can be obtained with the engine thrust level twice higher than the static resistance regolite. The article describes experimental verification of the basic dependencies to determine the resistance force, the penetration depth and speed, engine thrust and weight of fuel at start penetrator with zero velocity, and verification of the proposed selection method design parameters of the lunar jet penetrator.