Maritime English
Maneuvering

What is Viscous Flow Drag?

Viscous Flow Drag The resistance experienced by a vessel as it moves through water due to the fluid’s internal friction, affecting speed and fuel efficiency.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Viscous Flow Drag” Used in Practice?

Chief officer: Monitor viscous flow drag values on hull sensors to optimize speed and fuel use on open sea passage.

Certification Exam Relevance

STCWMarlins TestISF WatchkeeperGMDSS

Who Needs to Know This Term?

  • Deck Officers
  • Engine Officers
  • Masters

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Frequently Asked Questions

What is Viscous Flow Drag?

The resistance experienced by a vessel as it moves through water due to the fluid’s internal friction, affecting speed and fuel efficiency.

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