Unit-3: First Law of Thermodynamics
Completion requirements
Exercise: Work of Balloon Expansion
Exercise:
Work of Balloon Expansion
A
spherical balloon contains air at P1
= 150 kPa. It has an initial diameter of D1
= 0.3 m. The balloon is heated until its diameter is D2 = 0.4 m. It is known that the pressure
in the balloon is proportional to its diameter. Calculate the work of
expansion.
