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MaCH – SR1: Increasing T/W Ratio of Engine
5 APR 2005
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Multi-disciplinary University of Colorado High-altitude Student Rocket
Overview Project Objectives Project Overview Thrust – Weight Ratio Reduction Chamber Design Interfaces Injector Plate Nozzle Mass Analysis Fuel Combustion Characteristics Testing Component Test Thrust Test 5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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Multi-disciplinary University of Colorado High-altitude Student Rocket
Project Objectives Increase T/W Ratio of Proven Engine Design Decrease Overall Mass of Engine Demonstrate Composite Technologies for Future Mass Reduction Characterize Fuel Combustion Process for Future Mass Reduction 5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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Multi-disciplinary University of Colorado High-altitude Student Rocket
Project Overview Phase Description Dates Feasibility of Hybrid Rocket Technology Sept 2000 – Jul 2001 Demonstration of Hybrid Rocket Technology Jul 2001 – May 2003 Demonstration of High-Power Hybrid Rocket Technology May 2003 – May 2004 Hybrid Rocket Flight Testing High-Power Hybrid Rocket Sub-Orbital Launch Vehicle (110km) 2010 Phase 0 Phase I Phase II Current Year Phase III Phase IV 5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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T/W Reduction: Chamber Design
Oxidizer Adapter Oxidizer Interface Injector Fitting Pre-Combustor Thread Rings Composite Aluminum Baseline Flanges Phenolic Post Combustor Nozzle Nozzle 5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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T/W Reduction: Interface Design
O-ring Glands 5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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T/W Reduction: Injector Plate Design
5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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T/W Reduction: Nozzle Design
Baseline New Camber Graphite Ceramic 5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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T/W Reduction: Nozzle Design
5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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T/W Reduction: Mass Analysis
Overall Mass Reduction: Aluminum Engine – 49.8% Composite Engine – 61.1% Chamber Mass Reduction: Aluminum Chamber – 52.9% Composite Chamber – 77.5% 5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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Fuel Combustion Characteristics
‘CG’ Engine ‘CGC’ Engine 5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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Multi-disciplinary University of Colorado High-altitude Student Rocket
Testing: Components Injector Cap – 1500psi Chamber – 750 psi Phenolic – 6300ºF Flow Rate – 0.45 lb/s Cerafiber – 6300ºF Nozzle – 6300ºF 5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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Testing: Thrust Performance
Test Objectives: Baseline Engines 1&2 (April 1, 2005) Establish Baseline Engine Performance Data Obtain Fuel Regression Data New Engines (April 5, 2005) Verify T/W Objectives Met 5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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Multi-disciplinary University of Colorado High-altitude Student Rocket
Acknowledgements MaCH-SR1 Team Nicole Ortmann, Nick Patzer, Chris Madsen, Laurren Kanner Josh Stamps, Joel Wecker, Kevin Corcoran, Andrew Campbell Former MaCH-SR1 Team Members Heather Chluda, Kevin McWilliams, Ervin Krause, Otto Krause CU Advisors Dr. Donna Gerren, Dr. Brian Argrow, Dr. Jean Koster Dr. Jeffrey Thayer, Dr. Kurt Maute, Matt Rhode 5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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Questions?
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Multi-disciplinary University of Colorado High-altitude Student Rocket
References MaCH-SR Fall Report MaCH-SR Final Report MaCH-SR Final Report Anderson, Campbell, and Kanner “Investigation of a Castable Ceramic Nozzle in a Mid-Powered Rocket Application”, AIAA 2005 Humble, Henry, and Larson, Space Propulsion Analysis and Design. Space McGraw Hill Publishing, 1995 Moss, Dennis, Pressure Vessel Design Manual. Gulf Professional Publishing Ortmann, “Advanced Processing of Hybrid Rocket Solid Propellant” AIAA 2005 Vable, Madhukar, Mechanics of Materials Book. Oxford University Press ©2002 New York 5 APR 2005 MaCH-SR1 Multi-disciplinary University of Colorado High-altitude Student Rocket
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