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Class 1 Exam Q&A : 2022/OCT/07 – 2023/JUN/09

Question

7. Viscous (frictional) resistance is a major component of overall resistance and hence an important area of attention for energy efficiency improvement of ships. Explain various skin friction reduction methods currently under consideration, with special mention on the following:

a) Hull Air Cavity Systems

b) Hull Surface Texturing

c) Micro bubbles

Asked in Year/Month/Ques No.