******************************************************************************* NASA-GLENN CHEMICAL EQUILIBRIUM PROGRAM CEA2, MAY 21, 2004 BY BONNIE MCBRIDE AND SANFORD GORDON REFS: NASA RP-1311, PART I, 1994 AND NASA RP-1311, PART II, 1996 ******************************************************************************* ! COMBUSTION OF HYDROGEN IN OXYGEN ! (a) Combustion or assigned-enthalpy-and-pressure problem (hp). ! (b) Fuels is H2 at 298.15 K. The oxidant is O2 at 298K. ! (c) Oxidant-to-fuel weight ratio is specified interms of phi=1 ! (d) Mixture enthalpy is calculated from reactant values given in ! thermo.lib. This is because data for these species are given in ! thermo.lib and the species names match exactly. ! (e) product species considered is H2O ('only' dataset) . ! Note: these species names must match those used in thermo.lib. ! (f) Assigned pressure is 1atm. ! (g) Mixture properties are to be printed in SI units (siunits). ! (h) Mole fractions > 1.e-15 are to be in e-format (trace=1.e-15). ! reac oxid O2 moles=1 t(K)=298.15 fuel H2 moles=1 t(K)=298.15 prob case=Hydrogen_Oxygen hp p(atm)=1, phi=1 only H2O output siunits trace=1.e-15 end End all input for Hydrogen_Oxygen OPTIONS: TP=F HP=T SP=F TV=F UV=F SV=F DETN=F SHOCK=F REFL=F INCD=F RKT=F FROZ=F EQL=F IONS=F SIUNIT=T DEBUGF=F SHKDBG=F DETDBG=F TRNSPT=F TRACE= 1.00E-15 S/R= 0.000000E+00 H/R= 0.000000E+00 U/R= 0.000000E+00 P,BAR = 1.013250 REACTANT MOLES (ENERGY/R),K TEMP,K DENSITY EXPLODED FORMULA O: O2 1.000000 -0.154035E-05 298.15 0.0000 O 2.00000 F: H2 1.000000 -0.326752E-06 298.15 0.0000 H 2.00000 SPECIES BEING CONSIDERED IN THIS SYSTEM (CONDENSED PHASE MAY HAVE NAME LISTED SEVERAL TIMES) LAST thermo.inp UPDATE: 9/09/04 g 8/89 H2O O/F = 7.936683 EFFECTIVE FUEL EFFECTIVE OXIDANT MIXTURE ENTHALPY h(2)/R h(1)/R h0/R (KG-MOL)(K)/KG -0.16208918E-06 -0.48137850E-07 -0.60888815E-07 KG-FORM.WT./KG bi(2) bi(1) b0i O 0.00000000E+00 0.62502344E-01 0.55508435E-01 H 0.99212255E+00 0.00000000E+00 0.11101687E+00 POINT ITN T O H SINGULAR MATRIX, ITERATION 1 VARIABLE 2(EQLBRM) SINGULAR MATRIX, ITERATION 2 VARIABLE 2(EQLBRM) SINGULAR MATRIX, ITERATION 3 VARIABLE 2(EQLBRM) SINGULAR MATRIX, ITERATION 4 VARIABLE 2(EQLBRM) WARNING!! POINT 1 USES A REDUCED SET OF COMPONENTS SPECIES CONTAINING THE ELIMINATED COMPONENT ARE OMITTED. IT MAY BE NECESSARY TO RERUN WITH INSERTED CONDENSED SPECIES CONTAINING COMPONENT H (EQLBRM) POINT ITN T H2O 1 10 4930.564 -38.028 THERMODYNAMIC EQUILIBRIUM COMBUSTION PROPERTIES AT ASSIGNED PRESSURES CASE = Hydrogen_Oxygen REACTANT MOLES ENERGY TEMP KJ/KG-MOL K OXIDANT O2 1.0000000 0.000 298.150 FUEL H2 1.0000000 0.000 298.150 O/F= 7.93668 %FUEL= 11.189834 R,EQ.RATIO= 1.000000 PHI,EQ.RATIO= 1.000000 THERMODYNAMIC PROPERTIES P, BAR 1.0132 T, K 4930.56 RHO, KG/CU M 4.4527-2 H, KJ/KG 0.00000 U, KJ/KG -2275.58 G, KJ/KG -86535.6 S, KJ/(KG)(K) 17.5509 M, (1/n) 18.015 (dLV/dLP)t -1.00000 (dLV/dLT)p 1.0000 Cp, KJ/(KG)(K) 3.3823 GAMMAs 1.1580 SON VEL,M/SEC 1623.3 MOLE FRACTIONS H2O 1.0000 0 * THERMODYNAMIC PROPERTIES FITTED TO 20000.K PRODUCTS WHICH WERE CONSIDERED BUT WHOSE MOLE FRACTIONS WERE LESS THAN 1.000000E-15 FOR ALL ASSIGNED CONDITIONS