1. Why is a roughness allowance applied to the full scale vessel but not to the model? 2. Explain…

1. Why is a roughness allowance applied to the full scale vessel but not to the model? 2. Explain the purpose of the correlation allowance. 3. Write a program or create a spread sheet to perform the evaluation of a resistance test using the latest version of the ITTC recommended procedures. Use the ship’s geometric data, carriage speed ____, and measured total resistance ______ of the model as input. Implement Schuster’s blockage correction. 4. Add an option for Tamura’s blockage correction to your program/spread sheet. How much does the predicted resistance change for the lowest and
» 1. Why is a roughness allowance applied to the full scale vessel but not to the model? 2. Explain the purpose of the correlation allowance. 3. Write a program or create a spread sheet to perform the evaluation of a resistance test using the latest version of the ITTC recommended procedures. Use the ship’s geometric data, carriage speed ____, and measured total resistance ______ of the model as input. Implement Schuster’s blockage correction. 4. Add an option for Tamura’s blockage correction to your program/spread sheet. How much does the predicted resistance change for the lowest and highest speed of the example in Section 30.4?

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