How Long to Empty Half the Water in a Vessel?

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SUMMARY

The discussion focuses on calculating the time required to empty half the water in a vessel with a cross-section of 20 cm², featuring a horizontal capillary tube of 10 cm length and 0.5 mm internal diameter. Utilizing the Poiseuille Equation, participants aim to derive the solution based on the given parameters, including the viscosity of water at 0.01 kgm-1s-1. The initial water height is 50 cm, and the challenge lies in applying fluid dynamics principles to determine the emptying time accurately.

PREREQUISITES
  • Understanding of fluid dynamics principles
  • Familiarity with the Poiseuille Equation
  • Knowledge of viscosity and its implications in fluid flow
  • Basic mathematical skills for solving differential equations
NEXT STEPS
  • Study the derivation and applications of the Poiseuille Equation
  • Learn about the effects of viscosity on fluid flow rates
  • Explore capillary action and its relevance in fluid dynamics
  • Investigate numerical methods for solving differential equations in fluid mechanics
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Students in physics or engineering, fluid mechanics enthusiasts, and anyone interested in practical applications of the Poiseuille Equation in real-world scenarios.

roshan2004
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Homework Statement



A vessel of cross section 20 cm2 has at the bottom a horizontal capillary tube of length 10 cm and internal diameter 0.5 mm. It is initially filled with water to a height of 50 cm. Find the time taken to empty one half of the content in the vessel. Viscosity of water is 0.01 kgm-1s-1

Homework Equations



Poiseuille Equation

The Attempt at a Solution

 
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hi roshan2004! :wink:

show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:
 

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