Why Do Boats Make This Shape?

Опубликовано 21 марта 2021, 14:00

Go to curiositystream.com/minutephys... to get access to CuriosityStream AND Nebula (where you can watch the extended version of this video), plus you'll get a 26% discount on an annual subscription.

This video is about the "Kelvin wake" shape of water wakes behind boats - we talk about mach angle, dispersion, superposition of many waves, and how these all lead to the pattern of a wake. We don't get into Froude number though...

REFERENCES
Boat Wake Wikipedia Page: en.wikipedia.org/wiki/Wake

Interactive Boat Wake Simulation: observablehq.com/@rreusser/dis...

Feynman Lectures on Water Waves: feynmanlectures.caltech.edu/I_...

Building up a Boat Wake from V-Shaped Wakes: editor.p5js.org/aatish/full/bD...

Wave Dispersion: en.wikipedia.org/wiki/Dispersi...

Mach angle shock waves:
sciencedirect.com/topics/engin...

Ship Wakes - Kelvin or Mach Angle? Rabaud and Moisy Paper: journals.aps.org/prl/abstract/...


Support MinutePhysics on Patreon! patreon.com/minutephysics
Link to Patreon Supporters: minutephysics.com/supporters

MinutePhysics is on twitter - @minutephysics
And facebook - facebook.com/minutephysics
And Google+ (does anyone use this any more?) - bit.ly/qzEwc6

Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!

Created by Henry Reich