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Explaining the liquid rope coil effect

Liquid rope coil effect

These math equations were used in the escape scene in Ratatouille to help animate the water.

Procedure

Pixar and animation

I measured the viscosity using the marble race method.

I measured the radius using a a stand, a ruler and a construction laser.

Question

Relevance

Hypothesis

Is there a correlation between the viscosity of a fluid and it's maximum coil radius?

There are complex equations that explain these properties in detail. These equations are on display in more places than you might imagine.

I think there will be a correlation between the viscosity of a fluid and its maximum coiling radius.

Lava cooling

Lava also obeys the liquid rope coil effect. Since it is viscous it folds upon itself and makes folded rock formations.

Variables

Dependent variable:

Radius of coil

Independent variable:

Viscosity of sweetener

Controlled variables:

Temperature

Chopstick (diameter and distance)

Jackson Pollack

Jackson Pollack took advantage of the rope coil effect to make some of his paintings.

Data

Conclusion

There is a correlation between the viscosity of a viscous fluid and it's maximum coil radius. From this experiment I learned that honey is more viscous than all of the other sweeteners. I also learned how scary math can seem.

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