Dana Lattibeaudiere January 24 2008 Propulsion Propellants Thrust

Dana Lattibeaudiere January 24, 2008 Propulsion – Propellants Thrust Code Development Research/Programming help from: Nicole Wilcox and Stephen Bluestone AAE 450 Spring 2008

Propellant Selection § § Cryogenic: LOX/LH 2, LOX/RP-1, LOX/N 2 H 4 Toxic: H 2 O 2/N 2 H 4, Cl. F 5/N 2 H 4, N 2 O 4/RP-1 Hybrid: LOX/HTPB, H 2 O 2/GAP, H 2 O 2/PEG Solid: DB/AP-HMX/Al, HTPB/AP/Al, DB/AP/Al § Nicole’s code: stage mass, prop masses/costs AAE 450 Spring 2008 Propulsion

Thrust Code Analysis § RD-161 -2: – T_vac = 19. 9 k. N, t_b = 900 s, Ae = 0. 82 m^2, § LR-101 -11 – T_vac = 5. 3 k. N, t_b = 283 s, Ae = 0. 2 m^2, Future Work § Complete the code § Reference for optimization groups AAE 450 Spring 2008 Propulsion

Backup Slides § Sample Output AAE 450 Spring 2008 Propulsion

Choice of Propellants: 24 Researched: 8 Ideal Total Engines To Be Analyzed: Prop: LOX/LH 2 LOX/RP-1 YF-73 RD-0126 RD-161 -2 LR-101 -11 TR-308 T_vac (k. N) 44. 15 39. 2 Otrag Star 37 XFP Star 37 204 2. 2 1. 02 t_b (sec) 800 900 Pc (MPa) 2. 628 283 AP/HTPB/Al 5. 6 D (m) 0. 4715 370. 6 7. 150 5. 3 40 19. 9 e H 2 O 2/N 2 H 4 N 2 O 4/RP-1 24 27. 5 31. 5 27 11. 8 0. 27 0. 93 0. 7 3000 150 66 34 11. 77 Pe (MPa) Me AAE 450 Spring 2008

Gnoffo, P. A. , "An Upwind-Biased, Point-Implicit Relaxation Algorithm for Viscous, Co References § Mingchu, Guoqiu, Liu, “The Oxygen/Hydrogen Rocket Engine For Long March Vehicle, " AIAA Journal, Vol. 1, No. 1, 1995, pp. 2 -3. § Pranke, Linda K. , Larson, Wiley J. , “Propulsion Systems, " Human Spaceflight: Mission Analysis and Design, 2 nd ed. , New York, pp. 784 -765. § "TR-308 Dual Mode Liquid Apogee Engine, " Northrop Grumman Space Technology Propulsion Systems, [www. st. northropgrumman. com/capabilities/Site. Files/d ocs/TR-308_DMLAE. pdf]. AAE 450 Spring 2008

§ Wade, Mark. , “LR-101 -11, ” 1997 -2007. [http: //www. astronautix. com/engines/lr 10111. htm. Accessed 1/22/08. ] § Wade, Mark. , “N 2 O 4/Hydrazine, " Otrag, 1997 -2007. [http: //www. astronautix. com/engines/otrag. htm. Accessed 1/22/08. ] § Wade, Mark. , “RD-161 -1, ” 1997 -2007. [http: //www. astronautix. com/engines/rd 1611. htm. Accessed 1/22/08. ] AAE 450 Spring 2008

§ Wade, Mark. , “Star 37, “ 12 March 2001. [http: //www. friendspartners. org/partners/mwade/engines/sta 37 xfp. htm. Accessed 1/22/08. ] § Wade, Mark. , “Star 37 XFP, “ 12 March 2001. [http: //www. friendspartners. org/partners/mwade/engines/sta 37 xfp. htm. Accessed 1/22/08. ] AAE 450 Spring 2008