It’s just cool.

fuckyeahfluiddynamics:

In this video a very viscous (but still Newtonian) fluid is falling in a stream onto a moving belt. Initially, the belt is moving quickly enough that the viscous stream creates a straight thread. As the belt is slowed, the stream begins to meander sinusoidally and ultimately begins to coil. Aside from some transient behavior when the speed of the belt is changed very quickly, the behavior of the thread is very consistent within a particular speed regime. This is indicative of a nonlinear dynamical system; each shift in behavior due to the changing speed of the belt is called a bifurcation and can be identified mathematically from the governing equation(s) of the system. (Video credit: S. Morris et al)

(Source: arxiv.org)

Notes

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  16. carryme-home reblogged this from kaelcharismatic and added:
    This was so entertaining
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  18. tylerclarkey reblogged this from fuckyeahfluiddynamics and added:
    fascinating. The only variable...syrup behaves so differently at
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  33. ijumsrealthat reblogged this from fuckyeahfluiddynamics and added:
    sounds fucking interesting!!!...why I became an engineer.
  34. howveryvery reblogged this from fuckyeahfluiddynamics and added:
    It’s just cool.