EngiRef / Fluids Engineering Formula
Torricelli's Theorem
Torricelli's Theorem: Velocity of fluid flowing from an orifice. A Fluid Dynamics formula in fluids engineering. Variables v, g and h, each with SI and…
Fluid Dynamics
Specification
- Name
- Torricelli's Theorem
- Discipline
- fluids
- Category
- Fluid Dynamics
- LaTeX
- v = \sqrt{2gh}
- Description
- Velocity of fluid flowing from an orifice
- Conditions
- Large tank with small orifice
- Can solve for
- v, h
- Tags
- torricelli, orifice, velocity, drain
Variables
| Symbol | Name | Unit | Si Unit | Imperial Unit |
|---|---|---|---|---|
| v | Exit Velocity | m/s | m/s | ft/s |
| g | Gravity | m/s² | m/s² | - |
| h | Height Above Orifice | m | m | ft |
Common questions
- What is the Torricelli's Theorem formula?
- Velocity of fluid flowing from an orifice. It sits under Fluid Dynamics, Fluids engineering in the EngiRef reference.
- What do the symbols in the Torricelli's Theorem formula mean?
- In Torricelli's Theorem, v is exit velocity in m/s; g is gravity in m/s²; h is height above orifice in m.
- When does the Torricelli's Theorem formula apply?
- Torricelli's Theorem holds under this condition: Large tank with small orifice.