Poiseuille flow: viscous flow through a tube
See Q = pi r^4 dP / 8 eta L, the parabolic velocity profile and the laminar/turbulent limit from Reynolds number.
About this experiment
| Subject | Physics |
|---|---|
| Class | 11 |
| Chapter | 9. Mechanical Properties of Fluids |
| NCERT section | 9.4 |
| Level | Advanced (JEE / Olympiad) |
| Time | about 12 minutes |
| Access | Included in a PractiSci plan |
What you do in the lab
Change the controls and watch the physics behave in real time in 3D. Live readouts and graphs show the numbers behind it, and the Learn tab has the theory, procedure, observations and viva questions. Works on a phone or a laptop, in English and Hindi.
Topics: Poiseuille · viscosity · Reynolds number · laminar flow
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- Excess pressure in drops and bubbles
- Stokes' law: terminal velocity and viscosity
- Surface energy: merging and splitting water drops