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Investigating Vertical Straw Length for Drinking Non-carbonated Water and Cola

Explore the maximum length of a vertical straw for non-carbonated water and cola consumption, presenting a theoretical model, human case studies, and experimental results. Analyze the surface tension role in liquid dynamics.

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Investigating Vertical Straw Length for Drinking Non-carbonated Water and Cola

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Presentation Transcript

  1. Problem N10Straw Reporter: GiorgiKhomeriki Team “Georgians”

  2. problem What is the maximum length for a vertical straw such that you still can drink non-carbonated water through it? Still can drink cola through it?

  3. Presentation plan • Explanation of the phenomenon • Human case • Case of coca-cola • Theoretical model about cola • Comparison of theory and experiments • conclusion

  4. Explanation of the phenomenon

  5. Human case

  6. Case of coca-cola P=180000 T0=4 sec

  7. Theoretical model

  8. Surface tension role R<1 centimeters

  9. Comparison of theory and experiments

  10. conclusion • Human case • Maximum water height is 3 meters • Cola case • Maximum height cola column • Experimental results

  11. Thanks for your attention!

  12. Surface tension role theory

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