a 2. Kinematic similitude defination The corresponding parameters of motion of prototype such as velocity, acceleration are consistent in direction and in proportion to magnitude to those of model called kinematic similitude Time scale 6 (4-4) Velocity scale (45) Acceleration scale OD amt (46)11 2. Kinematic similitude Time scale m n t t t  = （4—4） Velocity scale t l m m n n m n t l t l       = = = （4—5） Acceleration scale 2 2 2 t l m m n n m n t l t l a a     = = = （4—6） The corresponding parameters of motion of prototype such as velocity, acceleration are consistent in direction and in proportion to magnitude to those of model called kinematic similitude . defination：