Propellant variability assessment [PDF]
Efforts to determine whether rocket propellant density and modulus can be reliably measured using non-destructive ultrasonic techniques are reported.
Schad, Kristin, Tytula, Thomas P.
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Advanced Solar-propelled Cargo Spacecraft for Mars Missions [PDF]
Three concepts for an unmanned, solar powered, cargo spacecraft for Mars support missions were investigated. These spacecraft are designed to carry a 50,000 kg payload from a low Earth orbit to a low Mars orbit.
Auziasdeturenne, Jacqueline +9 more
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Some experimental results on the L-star instability of metallized composite propellants [PDF]
Experimental results are reported on the Lstar instability characteristics of three AP I composite propellants. The metal content of the propellants is 2%, 16%, and 16%.
Kumar, R. N.
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Some aspects of steady-state propellant combustion as related to dynamic coupling mechanisms [PDF]
Dynamic pressure and velocity coupling mechanisms in steady-state solid propellant ...
Povinelli, L. A.
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Improving the Mechanical Properties of Composite Rocket Propellants
Solid composite rocket propellants usually contain ammoniumperchlorate embedded in an elastic polymer binder. The bindercan be based on a liquid prepolymer such as hydroxyl-terminatedpolybutadiene, HTPB, or poly(3-nitratomethyl-3-methyl oxetane,PolyNIMMO.
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Advanced propulsion concepts for orbital transfer vehicles [PDF]
Studies of the United States Space Transportation System show that in the mid-to-late 1990s expanded capabilities for Orbital Transfer Vehicles (OTV) will be needed to meet increased payload requirements for transporting materials and possible men to ...
Cooper, L. P.
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Hydroxy-terminated polyether binders for composite rocket propellants
Propellants based on cross-linked Hydroxy Terminated PolyEther (HTPE) binders are being used as alternatives to Hydroxy Terminated PolyButadiene (HTPB) compositions. HTPE propellants have similar mechanical properties to HTPB propellants but they give a less severe response in ‘slow cook-off’ tests for IM compliance. A literature review is presented on
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Fiber-reinforced ceramic composites for Earth-to-orbit rocket engine turbines [PDF]
Fiber reinforced ceramic matrix composites (FRCMC) are emerging materials systems that offer potential for use in liquid rocket engines. Advantages of these materials in rocket engine turbomachinery include performance gain due to higher turbine inlet ...
Brockmeyer, Jerry W. +1 more
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Alternate propellants for the space shuttle solid rocket booster motors [PDF]
As part of the Shuttle Exhaust Effects Panel (SEEP) program for fiscal year 1973, a limited study was performed to determine the feasibility of minimizing the environmental impact associated with the operation of the solid rocket booster motors (SRBMs ...
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Investigation of resin systems for improved ablative materials Interim report, 10 Jan. - 1 Jul. 1966 [PDF]
Preparation, and evaluation of polyimide sulfone resins, graphite-silica reinforced polyamide resins, and resin resistance to FLOX- methane, and fluorine-hydrogen ...
Burns, E. A. +3 more
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