Research on Submarine Maneuverability of Flooded Compartment

The paper establishes the emergency recovery maneuver motion model. According to the characteristic of hydrodynamics coefficients on flooded submarine, attaining hydrodynamics coefficients of different angle of attack by limited ship model hydrodynamics experiment of large angle of attack. A sensitivity index is introduced to evaluate submarine´s controllability. The experiment results are regressed to two kinds of hydrodynamic coefficients for big sensitivity index hydrodynamic coefficients, then forecast the submarine´s maneuverability. The calculation example proves the validity and feasibility of applied method.