Process Controls

Tank volume = 250

dt

J

K

Q

Quick Test

Select the time between 0-300 for the occurrence of an event

Choice the Occurency

Tank Model Simulation

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tank

Description

This model is a tank with an inflow and an outflow. The inflow is constant, the outflow is proportional to on the quantity in the tank. Finally, when the inflow is equal to the outflow, the quantity will stay the same.

Variables

  • J = inflow
  • Q = stored quantity.

Equations

  • K*Q = outflow
  • DQ = J - K*Q = change during a time increment

Simunlation

The graph shows the change of Q over a time period.

Examples

  • Kitchen sink
  • Steady leaf fall and creatures decomposing them.

"What if" Experiments

  • What changes if you start with 100 liters of water in the sink instead of one liter?
  • What happens if you cut off the faucet after 96 hours?
  • Study the effect of the outflow coefficient K.