If:
"V" is the volume of Balloon
d_out : is the density of out side air
d_in: is the density of gas inside of Balloon.
m: is Maas of Balloon is m then
Payload= [d_out×V]- [d-in×(V+m)]
Illustrative Example :
(2) A balloon of diameter 20 m weighs 100 kg. Calculate its paylod if it is filled with helium at 1.0 atm and 27 ∘ C. Density of air is 1.2 kg m −3 .(R=0.082 dm 3 atm K −1 mol −1 ).
