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*******************************************************************************
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
*******************************************************************************
problem rocket equilibrium
p(psi) = 500.00000
o/f = 1.10000
pip = 33.33333
react
fuel=C2H5OH(L) wt=100.00000 t,k=290.00000
ox=O2(L) wt=100.00000 t,k=90.00000
output trans
plot p t isp ivac m mw cp gam o/f cf rho son mach phi h cond pran ae pip
end
OPTIONS: TP=F HP=F SP=F TV=F UV=F SV=F DETN=F SHOCK=F REFL=F INCD=F
RKT=T FROZ=F EQL=T IONS=F SIUNIT=T DEBUGF=F SHKDBG=F DETDBG=F TRNSPT=T
TRACE= 0.00E+00 S/R= 0.000000E+00 H/R= 0.000000E+00 U/R= 0.000000E+00
Pc,BAR = 34.473652
Pc/P = 33.3333
SUBSONIC AREA RATIOS =
SUPERSONIC AREA RATIOS =
NFZ= 1 Mdot/Ac= 0.000000E+00 Ac/At= 0.000000E+00
REACTANT WT.FRAC (ENERGY/R),K TEMP,K DENSITY
EXPLODED FORMULA
F: C2H5OH(L) 1.000000 -0.334851E+05 290.00 0.0000
C 2.00000 H 6.00000 O 1.00000
O: O2(L) 1.000000 -0.156101E+04 90.00 0.0000
O 2.00000
SPECIES BEING CONSIDERED IN THIS SYSTEM
(CONDENSED PHASE MAY HAVE NAME LISTED SEVERAL TIMES)
LAST thermo.inp UPDATE: 9/09/04
g 7/97 *C tpis79 *CH g 4/02 CH2
g 4/02 CH3 g11/00 CH2OH g 7/00 CH3O
g 8/99 CH4 g 7/00 CH3OH srd 01 CH3OOH
tpis79 *CO g 9/99 *CO2 tpis91 COOH
tpis91 *C2 g 6/01 C2H g 1/91 C2H2,acetylene
g 5/01 C2H2,vinylidene g 4/02 CH2CO,ketene g 3/02 O(CH)2O
srd 01 HO(CO)2OH g 7/01 C2H3,vinyl g 6/96 CH3CO,acetyl
g 1/00 C2H4 g 8/88 C2H4O,ethylen-o g 8/88 CH3CHO,ethanal
g 6/00 CH3COOH srd 01 OHCH2COOH g 7/00 C2H5
g 7/00 C2H6 g 8/88 C2H5OH g 7/00 CH3OCH3
srd 01 CH3O2CH3 g 8/00 C2O tpis79 *C3
n 4/98 C3H3,1-propynl n 4/98 C3H3,2-propynl g 2/00 C3H4,allene
g 1/00 C3H4,propyne g 5/90 C3H4,cyclo- g 3/01 C3H5,allyl
g 2/00 C3H6,propylene g 1/00 C3H6,cyclo- g 6/01 C3H6O,propylox
g 6/97 C3H6O,acetone g 1/02 C3H6O,propanal g 7/01 C3H7,n-propyl
g 9/85 C3H7,i-propyl g 2/00 C3H8 g 2/00 C3H8O,1propanol
g 2/00 C3H8O,2propanol g 7/88 C3O2 g tpis *C4
g 7/01 C4H2,butadiyne g 8/00 C4H4,1,3-cyclo- n10/92 C4H6,butadiene
n10/93 C4H6,1butyne n10/93 C4H6,2butyne g 8/00 C4H6,cyclo-
n 4/88 C4H8,1-butene n 4/88 C4H8,cis2-buten n 4/88 C4H8,tr2-butene
n 4/88 C4H8,isobutene g 8/00 C4H8,cyclo- g10/00 (CH3COOH)2
n10/84 C4H9,n-butyl n10/84 C4H9,i-butyl g 1/93 C4H9,s-butyl
g 1/93 C4H9,t-butyl g12/00 C4H10,n-butane g 8/00 C4H10,isobutane
g 8/00 *C5 g 5/90 C5H6,1,3cyclo- g 1/93 C5H8,cyclo-
n 4/87 C5H10,1-pentene g 2/01 C5H10,cyclo- n10/84 C5H11,pentyl
g 1/93 C5H11,t-pentyl n10/85 C5H12,n-pentane n10/85 C5H12,i-pentane
n10/85 CH3C(CH3)2CH3 g 2/93 C6H2 g11/00 C6H5,phenyl
g 8/00 C6H5O,phenoxy g 8/00 C6H6 g 8/00 C6H5OH,phenol
g 1/93 C6H10,cyclo- n 4/87 C6H12,1-hexene g 6/90 C6H12,cyclo-
n10/83 C6H13,n-hexyl g 6/01 C6H14,n-hexane g 7/01 C7H7,benzyl
g 1/93 C7H8 g12/00 C7H8O,cresol-mx n 4/87 C7H14,1-heptene
n10/83 C7H15,n-heptyl n10/85 C7H16,n-heptane n10/85 C7H16,2-methylh
n 4/89 C8H8,styrene n10/86 C8H10,ethylbenz n 4/87 C8H16,1-octene
n10/83 C8H17,n-octyl n 4/85 C8H18,n-octane n 4/85 C8H18,isooctane
n10/83 C9H19,n-nonyl g 3/01 C10H8,naphthale n10/83 C10H21,n-decyl
g 8/00 C12H9,o-bipheny g 8/00 C12H10,biphenyl g 6/97 *H
g 1/01 HCO g 6/01 HCCO g 4/02 HO2
tpis78 *H2 g 5/01 HCHO,formaldehy g 6/01 HCOOH
g 8/89 H2O g 6/99 H2O2 g 6/01 (HCOOH)2
g 5/97 *O g 4/02 *OH tpis89 *O2
g 8/01 O3 n 4/83 C(gr) n 4/83 C(gr)
n 4/83 C(gr) g11/99 H2O(cr) g 8/01 H2O(L)
g 8/01 H2O(L)
SPECIES WITH TRANSPORT PROPERTIES
PURE SPECIES
BINARY INTERACTIONS
O/F = 1.100000
EFFECTIVE FUEL EFFECTIVE OXIDANT MIXTURE
ENTHALPY h(2)/R h(1)/R h0/R
(KG-MOL)(K)/KG -0.72685556E+03 -0.48783267E+02 -0.37167484E+03
KG-FORM.WT./KG bi(2) bi(1) b0i
*C 0.43413669E-01 0.00000000E+00 0.20673176E-01
*H 0.13024101E+00 0.00000000E+00 0.62019527E-01
*O 0.21706834E-01 0.62502344E-01 0.43075911E-01
POINT ITN T C H O
1 19 2608.637 -12.227 -9.122 -19.096
Pinf/Pt = 1.776629
2 4 2361.139 -11.928 -9.229 -20.160
Pinf/Pt = 1.783183
2 2 2359.597 -11.925 -9.230 -20.167
3 5 1363.534 -8.588 -9.750 -28.920
THEORETICAL ROCKET PERFORMANCE ASSUMING EQUILIBRIUM
COMPOSITION DURING EXPANSION FROM INFINITE AREA COMBUSTOR
Pin = 500.0 PSIA
CASE =
REACTANT WT FRACTION ENERGY TEMP
(SEE NOTE) KJ/KG-MOL K
FUEL C2H5OH(L) 1.0000000 -278412.215 290.000
OXIDANT O2(L) 1.0000000 -12979.000 90.000
O/F= 1.10000 %FUEL= 47.619048 R,EQ.RATIO= 1.679735 PHI,EQ.RATIO= 1.894344
CHAMBER THROAT EXIT
Pinf/P 1.0000 1.7832 33.333
P, BAR 34.474 19.333 1.0342
T, K 2608.64 2359.60 1363.53
RHO, KG/CU M 3.0682 0 1.9048 0 1.7651-1
H, KJ/KG -3090.29 -3708.41 -6001.23
U, KJ/KG -4213.86 -4723.33 -6587.17
G, KJ/KG -35595.2 -33110.2 -22991.6
S, KJ/(KG)(K) 12.4605 12.4605 12.4605
M, (1/n) 19.304 19.330 19.349
(dLV/dLP)t -1.00117 -1.00048 -1.00000
(dLV/dLT)p 1.0262 1.0116 1.0000
Cp, KJ/(KG)(K) 2.6133 2.4518 2.2615
GAMMAs 1.2083 1.2181 1.2346
SON VEL,M/SEC 1165.2 1111.9 850.5
MACH NUMBER 0.000 1.000 2.837
TRANSPORT PROPERTIES (GASES ONLY)
CONDUCTIVITY IN UNITS OF MILLIWATTS/(CM)(K)
VISC,MILLIPOISE 0.97865 0.91597 0.65106
WITH EQUILIBRIUM REACTIONS
Cp, KJ/(KG)(K) 2.6133 2.4518 2.2615
CONDUCTIVITY 6.6588 5.5229 3.4583
PRANDTL NUMBER 0.3841 0.4066 0.4258
WITH FROZEN REACTIONS
Cp, KJ/(KG)(K) 2.3346 2.2987 2.0779
CONDUCTIVITY 5.0977 4.7298 3.3053
PRANDTL NUMBER 0.4482 0.4452 0.4093
PERFORMANCE PARAMETERS
Ae/At 1.0000 4.9730
CSTAR, M/SEC 1627.7 1627.7
CF 0.6831 1.4824
Ivac, M/SEC 2024.7 2655.7
Isp, M/SEC 1111.9 2412.9
MOLE FRACTIONS
*CO 0.32460 0.32003 0.26721
*CO2 0.07447 0.07958 0.13279
*H 0.00332 0.00148 0.00000
*H2 0.23961 0.24543 0.29932
H2O 0.35671 0.35306 0.30068
*O 0.00001 0.00000 0.00000
*OH 0.00127 0.00041 0.00000
*O2 0.00001 0.00000 0.00000
* THERMODYNAMIC PROPERTIES FITTED TO 20000.K
PRODUCTS WHICH WERE CONSIDERED BUT WHOSE MOLE FRACTIONS
WERE LESS THAN 5.000000E-06 FOR ALL ASSIGNED CONDITIONS
*C *CH CH2 CH3 CH2OH
CH3O CH4 CH3OH CH3OOH COOH
*C2 C2H C2H2,acetylene C2H2,vinylidene CH2CO,ketene
O(CH)2O HO(CO)2OH C2H3,vinyl CH3CO,acetyl C2H4
C2H4O,ethylen-o CH3CHO,ethanal CH3COOH OHCH2COOH C2H5
C2H6 C2H5OH CH3OCH3 CH3O2CH3 C2O
*C3 C3H3,1-propynl C3H3,2-propynl C3H4,allene C3H4,propyne
C3H4,cyclo- C3H5,allyl C3H6,propylene C3H6,cyclo- C3H6O,propylox
C3H6O,acetone C3H6O,propanal C3H7,n-propyl C3H7,i-propyl C3H8
C3H8O,1propanol C3H8O,2propanol C3O2 *C4 C4H2,butadiyne
C4H4,1,3-cyclo- C4H6,butadiene C4H6,1butyne C4H6,2butyne C4H6,cyclo-
C4H8,1-butene C4H8,cis2-buten C4H8,tr2-butene C4H8,isobutene C4H8,cyclo-
(CH3COOH)2 C4H9,n-butyl C4H9,i-butyl C4H9,s-butyl C4H9,t-butyl
C4H10,n-butane C4H10,isobutane *C5 C5H6,1,3cyclo- C5H8,cyclo-
C5H10,1-pentene C5H10,cyclo- C5H11,pentyl C5H11,t-pentyl C5H12,n-pentane
C5H12,i-pentane CH3C(CH3)2CH3 C6H2 C6H5,phenyl C6H5O,phenoxy
C6H6 C6H5OH,phenol C6H10,cyclo- C6H12,1-hexene C6H12,cyclo-
C6H13,n-hexyl C6H14,n-hexane C7H7,benzyl C7H8 C7H8O,cresol-mx
C7H14,1-heptene C7H15,n-heptyl C7H16,n-heptane C7H16,2-methylh C8H8,styrene
C8H10,ethylbenz C8H16,1-octene C8H17,n-octyl C8H18,n-octane C8H18,isooctane
C9H19,n-nonyl C10H8,naphthale C10H21,n-decyl C12H9,o-bipheny C12H10,biphenyl
HCO HCCO HO2 HCHO,formaldehy HCOOH
H2O2 (HCOOH)2 O3 C(gr) H2O(cr)
H2O(L)
NOTE. WEIGHT FRACTION OF FUEL IN TOTAL FUELS AND OF OXIDANT IN TOTAL OXIDANTS