Results 81 to 90 of about 4,253 (212)

Overview of 10 inch Diameter HTPB Hybrid Motor Testing with Liquid Oxygen at Stennis Space Center [PDF]

open access: yes, 2005
To further explore the operation of hybrid rocket motors and to demonstrate the performance characteristics of the motor design Lockheed Martin funded research on a series of 10 inch diameter hybrid motors that produce less than 10 klbf sea level thrust.
Kearney, Darren   +2 more
core   +1 more source

Analysis of pressure blips in aft-finocyl solid rocket motor [PDF]

open access: yes, 2016
Ballistic anomalies have frequently occurred during the firing of several solid rocket motors (SRMs) (Inertial Upper Stage, Space Shuttle Redesigned SRM (RSRM) and Titan IV SRM Upgrade (SRMU)), producing even relevant and unexpected variations of the SRM
E., Cavallini   +2 more
core   +1 more source

Hybrid Propulsion Technology Program [PDF]

open access: yes
Future launch systems of the United States will require improvements in booster safety, reliability, and cost. In order to increase payload capabilities, performance improvements are also desirable.
Holzman, A. L., Jensen, G. E.
core   +1 more source

Active space debris removal by a hybrid propulsion module [PDF]

open access: yes, 2013
During the last 40 years, the mass of the artificial objects in orbit increased quite steadily at the rate of about 145 metric tons annually, leading to a total tally of approximately 7000 metric tons.
Anselmo, L.   +14 more
core   +1 more source

Reduced Reaction Mechanism for Rocket Nozzle Ablation Simulations [PDF]

open access: yes, 2017
Peer Reviewedhttps://deepblue.lib.umich.edu/bitstream/2027.42/143107/1/6.2017-3682 ...
Boyd, Iain D., Cross, Peter G.
core   +1 more source

Experimental investigation of a simulated LOX injector flow field and other nonintrusive measurement efforts [PDF]

open access: yes
Efforts to improve the characteristics of fuel-oxidizer mixing in liquid rocket combustors have lead to a swirl element design for a liquid oxygen injector which is being considered for use on the STME.
Hartfield, Roy J., Jr.
core   +1 more source

Modeling and rheology of HTPB based composite solid propellants

open access: yesPolymer Composites, 1998
AbstractThe propellant with the minimum viscosity required for a defect‐free casting can be obtained by proper selection of the size and fractions of solid components leading to maximum packing density. Furnas' model was used to predict the particulate composition for the maximum packing density.
Erisken, C   +4 more
openaire   +2 more sources

Long term investigation of bonding characteristics between PVC based inhibitor and HTPB/IPDI based propellant [PDF]

open access: yesScientific Technical Review
Bonding characteristics between extruded polyvinyl chloride (PVC) inhibitor and casted hydroxyl terminated polybutadiene/isophorone isocyanate (HTPB/IPDI) propellant, investigated in a long period of time, are topics of this paper. Basic statements about
Radulović Jovan, Milojković Aleksandar
doaj   +1 more source

Technique for Evaluating the Erosive Properties of Ablative Internal Insulation Materials [PDF]

open access: yes
A technique for determining the average erosion rate versus Mach number of candidate internal insulation materials was developed for flight motor applications in 12 inch I.D. test firing hardware.
Hitner, J. M., McComb, J. C.
core   +1 more source

Modeling the effects of aluminum and ammonium perchlorate addition on the detonation of the high explosives C_4H_8O_8N_8 (HMX) and C_3H_6O_6N_6(RDX) [PDF]

open access: yes, 2018
Metalized high explosives effectively tailor the explosion impulse at lowered detonation pressures of common high performance explosives such as C_3H_6O_6N_6 (RDX) and C_4H_8O_8N_8 (HMX).
Baek, Donghyeon   +2 more
core  

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