- Please Answer Part C 1 (28.22 KiB) Viewed 22 times
Please answer part c
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Please answer part c
Please answer part c
1 (a) Explain what is meant by the terms kinematics and kinetics. [2] (b) Choose an appropriate frame of reference and hence show that the acceleration components of the tip of a wind turbine blade are given by X = -Rosiny + wcosy) Rocosy - wsiny) Y = where R is the blade radius, w is the instantaneous angular velocity of the blade and 4 is the angular position of the blade with respect to the frame of reference Ox axis. [10] (c) C Show that the angular velocity terms will give rise to acceleration parallel to the blade's axis, while the angular acceleration terms will give rise to acceleration normal to the blade’s axis. Clearly specify the direction of these acceleration components. [8]
1 (a) Explain what is meant by the terms kinematics and kinetics. [2] (b) Choose an appropriate frame of reference and hence show that the acceleration components of the tip of a wind turbine blade are given by X = -Rosiny + wcosy) Rocosy - wsiny) Y = where R is the blade radius, w is the instantaneous angular velocity of the blade and 4 is the angular position of the blade with respect to the frame of reference Ox axis. [10] (c) C Show that the angular velocity terms will give rise to acceleration parallel to the blade's axis, while the angular acceleration terms will give rise to acceleration normal to the blade’s axis. Clearly specify the direction of these acceleration components. [8]
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