This document specifies a procedure to determine the shaft power of engine ships, by measuring the shaft distortion using an optical reflection type device. It gives the principles of the measurement, the components of the device and the calculation method. It also describes the factors for determining the measuring accuracy, including the calibration procedure, and specifies the on-board documentation for the device.
Status : PublishedPublication date : 2019-06
Edition : 1Number of pages : 10
Technical Committee:Marine environment protection
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