Computing case 1 Frozen equilibrium performance evaluation Propellant composition Code Name mol Mass (g) Composition 788 R45 HTPB (UTC) 0.0093 83.0000 981H 654C 6O 491 IPDI 0.0495 11.0000 12C 18H 2N 2O 212 CARBON BLACK 0.4163 5.0000 1C 228 CASTOR OIL 0.0010 1.0000 62C 111H 9O Density : 0.966 g/cm^3 4 different elements H C O N Total mass: 100.000000 g Enthalpy : -239.57 kJ/kg 148 possible gazeous species 3 possible condensed species CHAMBER THROAT EXIT Pressure (atm) : 42.853 25.026 1.302 Temperature (K) : 977.318 929.975 691.709 H (kJ/kg) : -239.569 -376.130 -1011.950 U (kJ/kg) : -499.801 -623.756 -1196.133 G (kJ/kg) : -7553.945 -7202.996 -6188.791 S (kJ/(kg)(K) : 7.484 7.341 7.484 M (g/mol) : 31.226 31.226 31.226 (dLnV/dLnP)t : -1.00000 -1.00000 -1.00000 (dLnV/dLnT)p : 1.00000 1.00000 1.00000 Cp (kJ/(kg)(K)) : 2.91602 2.85232 2.46367 Cv (kJ/(kg)(K)) : 2.64975 2.58605 2.19739 Cp/Cv : 1.10049 1.10296 1.12118 Gamma : 1.10049 1.10296 1.12118 Vson (m/s) : 534.71668 522.61138 450.21201 Ae/At : 1.00000 6.00984 A/dotm (m/s/atm) : 18.93335 113.78632 C* (m/s) : 811.34308 811.34308 Cf : 0.64413 1.53189 Ivac (m/s) : 996.43560 1391.07453 Isp (m/s) : 522.61138 1242.88505 Isp/g (s) : 53.29153 126.73900 Molar fractions CH4 2.2823e-001 2.2823e-001 2.2823e-001 CH3OH 1.6344e-008 1.6344e-008 1.6344e-008 CO 1.9829e-003 1.9829e-003 1.9829e-003 CO2 4.0946e-004 4.0946e-004 4.0946e-004 CH3CN 3.4842e-008 3.4842e-008 3.4842e-008 C2H4 9.9545e-007 9.9545e-007 9.9545e-007 C2H6 5.8726e-005 5.8726e-005 5.8726e-005 C3H6,propylene 8.8116e-009 8.8116e-009 8.8116e-009 C3H8 6.2688e-008 6.2688e-008 6.2688e-008 HCN 9.7092e-008 9.7092e-008 9.7092e-008 HNCO 5.4533e-009 5.4533e-009 5.4533e-009 H2 1.2757e-001 1.2757e-001 1.2757e-001 HCHO,formaldehy 1.6306e-008 1.6306e-008 1.6306e-008 HCOOH 4.6500e-009 4.6500e-009 4.6500e-009 H2O 1.6667e-002 1.6667e-002 1.6667e-002 NH3 2.6838e-004 2.6838e-004 2.6838e-004 N2 5.7522e-003 5.7522e-003 5.7522e-003 Condensed species C(gr) 6.1906e-001 6.1906e-001 6.1906e-001