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PIV MEASUREMENT OF TOTAL VELOCITY OF AN INFLOW AHEAD OF A ROTATING PROPELLER ATTACHED TO A SHIP MODEL
PIV MEASUREMENT OF TOTAL VELOCITY OF AN INFLOW AHEAD OF A ROTATING PROPELLER ATTACHED TO A SHIP MODEL
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机译:装在船模上的旋转螺旋桨前部流速的PIV测量
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摘要
Measurement of full speed marine propeller inflow in accordance with an embodiment of the present invention , the propeller shaft and side by side , and setting a plurality of vertical cross-sectional view perpendicular to the surface of the water ; Comprising the steps of: illuminating each of the front vertical section of the inflow into the propeller plane the laser light; Each of the vertical section by a CCD camera acquiring the particle image; Extracting a velocity field in a vertical cross-section using the algorithm of the PIV particle image obtained cross-correlation method; And a step to a combination of the axial velocity component to get the full speed of the cross-section of FIG distribution obtained with respect to the respective longitudinal section .
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