Open System 1st Low

Text Box: insulated
Text Box: V = 0.283 m3
Text Box: Tank
Text Box: Bulge

Text Box: VB = 0.0283 m3

Text Box:    m = 4.54 g/s



T = 366 K Pinitial = 1 bar

P = 2 bar Tinitial = 311 K

Gas (air): Cp = 29.3 J/mol K

Non-steady State analysis:

The 1st Law reduces to:





Integration from a b & c d:

Dividing equation A by B yields:

Now we can express:

For this reversible process: C may be written: