Results 101 to 110 of about 11,647 (229)

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

Final design report of a personnel launch system and a family of heavy lift launch vehicles [PDF]

open access: yes
The objective was to design both a Personnel Launch System (PLS) and a family of Heavy Lift Launch Vehicles (FHLLVs) that provide low cost and efficient operation in missions not suited for the Shuttle.
Burton, Lee   +7 more
core   +1 more source

Analysis of quasi-hybrid solid rocket booster concepts for advanced earth-to-orbit vehicles [PDF]

open access: yes
A study was conducted to assess the feasibility of quasi-hybrid solid rocket boosters for advanced Earth-to-orbit vehicles. Thermochemical calculations were conducted to determine the effect of liquid hydrogen addition, solids composition change plus ...
Andreev T.   +7 more
core   +2 more sources

AN OPTIMIZED HYBRID ROCKET MOTOR FOR THE SARA PLATFORM REENTRY SYSTEM DOI 10.5028/jatm.2012.04032312

open access: yesJournal of Aerospace Technology and Management, 2012
This paper has described a system design process, based on a multidisciplinary optimization technique, of a conceptual optimized hybrid propellant rocket motor. The proposed engine could be a technological option for the reentry maneuvering system of the
Pedro Luiz Kaled Da Cás   +3 more
doaj  

Advanced rocket propulsion [PDF]

open access: yes
Existing NASA research contracts are supporting development of advanced reinforced polymer and metal matrix composites for use in liquid rocket engines of the future.
Obrien, Charles J.
core   +1 more source

Impact of radiation dose on nuclear shuttle configuration [PDF]

open access: yes, 1972
The impact of nuclear radiation (from the NERVA propulsion system) on the selection of a reference configuration for each of two classes of the reusable nuclear shuttle is considered.
Billings, M. A., Goetz, C. A.
core   +1 more source

Advanced research and technology programs for advanced high-pressure oxygen-hydrogen rocket propulsion [PDF]

open access: yes
A research and technology program for advanced high pressure, oxygen-hydrogen rocket propulsion technology is presently being pursued by the National Aeronautics and Space Administration (NASA) to establish the basic discipline technologies, develop the ...
Marsik, S. J., Morea, S. F.
core   +1 more source

Investigation of the starting transients of high performance solid-propellant motors [PDF]

open access: yes
The starting transients of solid propellant engines were investigated to develop design principles for predicting transients in high performance igniter and engine configurations.
Caveny, L. H., Summerfield, M.
core   +1 more source

Using Hydrogen Peroxide for Rocket Fuel Tank Pressurization: Innovations, Advantages, and Challenges

open access: yesChallenges and Issues of Modern Science
This paper explores the innovative use of hydrogen peroxide (H₂O₂) as a pressurizing agent for rocket fuel tanks, highlighting its potential to enhance efficiency and performance in rocket propulsion systems.
Mykhailo Vorobei, Mykola Bondarenko
doaj  

Nuclear thermal/nuclear electric hybrids [PDF]

open access: yes
A description is given of the nuclear thermal and nuclear electric hybrid. The specifications are described along with its mission performance.
Reid, B. D.
core   +1 more source

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