Propeller Model and Hull-Propeller Interaction Sample Clauses

Propeller Model and Hull-Propeller Interaction. The propeller thrust T was found from the equilibrium equation in the x-direction (1). Using the known thrust, the advance ratio J was found from the nonlinear equation T  u2D2K J J2 using known open- a P T water propeller characteristic KT J and the propeller advance speed ua . From the found advance ratio J, the torque coefficient KQ J was found using the open-water propeller characteristic. After that, the propeller rotation speed nP was found from the equation nP  ua JDP  and then the required delivered power to the propeller was calculated as P  2n3D5K J . The open-water propeller characteristics D P P Q can be defined using methods summarized in Table 8.
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