The behaviour of gases can be fully determined by

1 law

2 laws

3 laws

4 laws

Constant volume flow

constant pressure flow

Isothermal flow

Isentropic flow

Elastic limit to the working stress

Elastic limit to the yield point

Endurance limit to the working stress

Young's modulus to the ultimate tensile strength

2.89 kN

8.29 kN

9.28 kN

28.9 kN

Equal to

One-half

8.29 kN

Four times