Table 4.5. Pressure, P, (absolute) and volume ratio (V/V0) for Stoichiometric fuel-air mixture at initial conditions 25° C and 1 atm (1.013 bar) (Baker et al. 1983).

Hydrogen

Ethylene

Propane

Methane

P (bar)

8.15

9.51

9.44

8.94

V/V0

6.89

8.06

7.98

7.72