Abstract | The design of a test unit for model podded propellers is described. The test unit includes instrumentation to measure total unit thrust, propeller thrust and torque at the hub, thrust at the end of the propeller shaft, pod shell drag, shaft speed, and local pressure in the gap between the pod shell and the rotating propeller hub. The design of the test unit accommodates several types of experiment, including tests with different pod shell geometry and tests with different propellers. The unit can operate in push and pull modes, and can be used in oblique and transient flow conditions. It is designed to facilitate rapid changes in test configurations. |
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