Trajectory Organization and Propulsion Mode of Anti-torpedo Torpedo Based on double Attack Mode

The operational capacity of hard killing anti-torpedo weaponry, such as anti-torpedo torpedo, is essential for heavyweight warships. The hit probability of an anti-torpedo torpedo is low since it attacks from the fore-hemisphere of an incoming torpedo. This paper proposes a double attack mode including attacking and chasing, and provides trajectory organization and theoretical analysis method. This double attack mode can pursuit the target in the case of attack failure and improve the intercept hit probability significantly. Through theoretical trajectory calculation of the double attack mode, the theoretical operational performance indexes of an anti-torpedo torpedo with various propulsion modes are obtained via comparative analysis of the rocket jet propulsion, conventional turbine engine propulsion, turbine pump water jet propulsion and other propulsion modes. The allowable launch distance is more than 20 cab in turbine pump propulsion mode, which is 2.3 times of the allowable launch distance in rocket propulsion mode. By considering gener-ality, reliability, developmental potential and other factors, the turbine pump is the best power propulsion mode for an anti-torpedo torpedo.