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An article on reynolds numbers and efficiency

Size and shape underwater

In the video we learned that animal shape in water is determined by the competing forces of inertia and drag. However these forces can also determine how efficient an animal is as it moves through waters.

The article linked below the authors discus this in more detail. They use the reynolds numbers of animals to come up with a metric called the energy-consumption coefficient. Generally they find that most animals are as efficient as they can be with the exception of one animal – the jellyfsh!

Jellyfish it turns out are much more efficient that predicted. Read the article below for more information!

Jellyfish are the most energy efficient swimmers

This article is from the free online

Life Below Water: Conservation, Current Issues, Possible Solutions

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FutureLearn - Learning For Life

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