Prediction of ship powering is traditionally based on the results of model experiments. This paper covers the extrapolation of model test results for ships that may have a multitude of appendages and one or more complex propulsors. The major differences from conventional extrapolation methods are the application of the scale effect corrections to the model propulsion test, the treatment of the appendages and acknowledging the effects of the propeller load on the propulsion parameters. The last feature is considered essential to successfully handle complex propulsors with both rotating and passive components.
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July 01 2001
Extrapolation of Propulsion Tests for Ships with Appendages and Complex Propulsors
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Holtrop, Jan. "Extrapolation of Propulsion Tests for Ships with Appendages and Complex Propulsors." Mar Technol SNAME N 38 (2001): 145–157. doi: https://doi.org/10.5957/mt1.2001.38.3.145
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