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Hydraulic Jump Calculator

Analyzes hydraulic jump characteristics in open channel flow, including sequent depth, energy loss, and jump length. Used by hydraulic engineers designing spillways, stilling basins, and irrigation channels.

Upstream Velocity (m/s)

Upstream Depth (m)

Gravitational Acceleration (m/s²)

Calculate

Fill in the required fields to see your result.

Fluid Mechanics

Tank Drain Time Calculator

Calculate how long it takes to drain a tank from one liquid level to another through a bottom orifice. Ideal for sizing drain valves, planning tank cleanouts, or verifying emergency drainage rates.

Initial Liquid Height (m)

Final Liquid Height (m)

Tank Cross-Section Area (m²)

Drain Orifice Area (m²)

Discharge Coefficient

Fill in the required fields to see your result.

Key differences

	Hydraulic Jump Calculator	Tank Drain Time Calculator
Category	Fluid Mechanics	Fluid Mechanics
Inputs required	4	5
Result	Result (variable)	Drain Time (seconds)
What it does	Analyzes hydraulic jump characteristics in open channel flow, including sequent depth, energy loss, and jump length. Used by hydraulic engineers designing spillways, stilling basins, and irrigation channels.	Calculate how long it takes to drain a tank from one liquid level to another through a bottom orifice. Ideal for sizing drain valves, planning tank cleanouts, or verifying emergency drainage rates.