Lines 1: 3 lines of characters identifying the run (max 72 characters/line)
Real gas data for r134a
first test case
6 January 2010

Lines 2: Name of gas (72 characters)
gas_name
R134a

Lines 3:  Molecular mass and/or Gas constant
MW (kg/kmol)   Gas_R (J/kg/K)
102.032         81.48

Lines 4:  Critical point parameters and acentric factor
Pc  (Pa)    Tc (K)    Vc (m3/kg)     gas_omega (-)
4059000.0    374.26      0.001968     0.326

Lines 5:  Temperature limits of piecewise specific heat curves
T_min (K)   T_max(K)  order_T_poly (max 8)
100.0       1000.0      5

Lines 6: Coefficients of cp_polynomial for temperature range (T_min<T<T_max)
A1              A2              A3             A4               A5  
3.064         25.420e-3     0.586e-5       -3.339e-8        1.716e-11 


