Boyle's Law — At constant temperature, pressure and volume are inversely related.
Set the temperature first, then move the piston. Temperature stays constant while you compress or expand the gas.
The gas's temperature is kept constant by contact with a large external heat reservoir.
See how pressure (the dependent variable) changes as volume (the manipulated variable) changes.
Formulated by Robert Boyle in 1662.
The orange point is the current state. Moving the piston shifts it along the curve.
Set the pressure first, then change the temperature. Pressure stays constant while the volume responds.
The gas's pressure is kept constant by a fixed weight resting on the piston.
See how volume (the dependent variable) changes as temperature (the manipulated variable) changes.
Discovered by Jacques Charles around 1787.
The orange point is the current state. Moving the temperature shifts it along the line.
Set the volume first, then change the temperature. Volume stays constant while the pressure responds.
The gas's volume is kept constant by pins that fix the piston in place.
See how pressure (the dependent variable) changes as temperature (the manipulated variable) changes.
Discovered by Guillaume Amontons around 1702.
The orange point is the current state. Moving the temperature shifts it along the line.