submarine pipeline crude oil leakage diffusion similar model experiment device and method

The invention relates to an submarine pipeline crude oil leakage diffusion similar model experiment device and method, and the device comprises a crude oil leakage control and monitoring system, wherein the output end of a gas source tank is sequentially connected with a drive pump, a buffer tank and a crude oil leakage releaser through a pipeline, and the crude oil leakage releaser is connected with the top of the gas source tank through a pipeline and is used for similar simulation of submarine pipeline crude oil leakage diffusion conditions under different working conditions; a water flow simulation system which comprises an experimental pool, wherein the crude oil leakage releaser is arranged in the experimental pool and used for simulating seawater flow characteristic parameters and the movement track and the diffusion characteristic of the submarine pipeline in water after crude oil leakage under the leakage diffusion working condition; and a crude oil discharging and recycling system which is connected