Initial Dynamic Vivacity Ratio of Propellant Charge —Key Sign of Launch Safety of Propellant Charge

摘要

The launch safety of propellant charge is the bottleneck which restricts the development of high performance gun, so the evaluation method of launch safety is the key content to insure launch safety of propellant charge. In this paper the initial dynamic vivacity ratio is defined to describe the safety and fracture degree of propellant charge. The simulation method and test method of initial dynamic vivacity ratio of propellant charge are developed. The criterion of launch safety of propellant charge is established based on initial dynamic vivacity ratio.