6- The propeller of a ship is to be studied with a 1:15 scale model.(a) Assume the propeller operate close to the surface, select the propeller speed of the model ifthe prototype is 600 rpm. (b) What torque would be expected if 1.2 Nm is measured on themodel?

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6- The propeller of a ship is to b (a) Assume the propeller operat the prototype is 600 rpm. (b) Wh model?

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Chapter5: Separation Processes

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Question

6- The propeller of a ship is to be studied with a 1:15 scale model.
(a) Assume the propeller operate close to the surface, select the propeller speed of the model if
the prototype is 600 rpm. (b) What torque would be expected if 1.2 Nm is measured on the
model?

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Step 1: Determine the angular velocity on model and torque on the prototype

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Step 2: Determine the angular velocity on model and torque acting on the prototype

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