Abstract
The bubbly wake characteristics of the underwater vehicle are the basic of wake homing techniques. The bubbly wake of the underwater vehicle caused by the side exhausting is simulated based on the Mixture model and the Multiple Reference Frames technology. The results show that due to the side exhausting of the underwater vehicle, a wake with lots of bubbles appears in the sailing through area. The bubbly wake of the underwater vehicle lasts for a long time. As a result, the bubbly wake can be observed in the area far away from the underwater vehicle, which is signification enough to be detected by the bubbly wake detector. Besides, the bubbly wake characteristics for the cases of the underwater vehicle with/without the propeller are much different.
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