Results 91 to 100 of about 17,267 (230)
Project LOCOST: Laser or Chemical Hybrid Orbital Space Transport [PDF]
A potential mission in the late 1990s is the servicing of spacecraft assets located in GEO. The Geosynchronous Operations Support Center (GeoShack) will be supported by a space transfer vehicle based at the Space Station (SS).
Dixon, Alan +5 more
core +1 more source
The Impacts of Three Flamelet Burning Regimes in Nonlinear Combustion Dynamics [PDF]
, 2018 Axisymmetric simulations of a liquid rocket engine are performed using a delayed detached-eddy-simulation (DDES) turbulence model with the Compressible Flamelet Progress Variable (CFPV) combustion model.
Nguyen, Tuan, Sirignano, William A.
core +2 more sources
On-line digital computer control of the NERVA nuclear rocket engine [PDF]
The problem of on-line digital computer control of the NERVA nuclear rocket engine is considered. Proposed is a method of State Dependent State Variable Feedback (SDSVF) as a practical approach to the control of NERVA and other complex nonlinear and/or ...
Kendrick, L. E., Schultz, D. G.
core +1 more source
Aerospace, 2019 The computational fluid dynamics of hybrid rocket internal ballistics is becoming a key tool for reducing the engine operation uncertainties and development cost as well as for improving experimental data analysis.
Giuseppe Daniele Di Martino +3 more
doaj +1 more source
Advanced propulsion concepts [PDF]
The topics presented are covered in viewgraph form. The programmatic objective is to establish the feasibility of propulsion technologies for vastly expanded space activity.
Sercel, Joel C.
core +1 more source
Advanced research and technology programs for advanced high-pressure oxygen-hydrogen rocket propulsion [PDF]
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
Case Studies in Thermal EngineeringEffective cooling in rocket engines is essential to prevent overheating and ensure efficient performance under extreme operating conditions. This study presents a comprehensive investigation into advanced cooling strategies for rocket engines utilizing ...
Hatem Gasmi +7 more
doaj +1 more source
The influence of radiation shielding on reusable nuclear shuttle design [PDF]
, 1972 Alternate reusable nuclear shuttle configurations were synthesized and evaluated. Particular attention was given to design factors which reduced tank exposure to direct and scattered radiation, increased payload-engine separation, and improved self ...
Garcia, D., Littman, T. M.
core +1 more source
Mars Ascent Vehicle - Payload?, Spacecraft?, Launch Vehicle? - A Systems Approach to MAV [PDF]
Significant effort has been expended over the past few years in order to examine propulsion technologies for an eventual robotic Mars Ascent Vehicle (MAV).
Bishop, Karen +3 more
core +1 more source
, 2008 Control over drop size distributions, injection rates, and geometrical distribution of fuel and oxidizer sprays in bi-propellant rocket engines has the potential to produce more efficient, more stable, less polluting rocket engines.
Bramanti, Cristina +4 more
core +1 more source