Results 81 to 90 of about 20,787 (234)
Hybrid rocket performance [PDF]
A hybrid rocket is a system consisting of a solid fuel grain and a gaseous or liquid oxidizer. Figure 1 shows three popular hybrid propulsion cycles that are under current consideration.
Frederick, Robert A., Jr.
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The Role of Propellant Type, Re‐Entry, and Plume Reactions in the Atmospheric Impacts of Spaceflight
Earth's Future, Volume 14, Issue 5, May 2026.Abstract The space industry is growing rapidly, and over the coming years the number of annual rocket launches is expected to increase further. This increases the sector's emissions and environmental effects, both of which are not yet comprehensively understood.
Yvar S. W. Vliex +2 more
wiley +1 more source
Advanced oxygen-hydrocarbon rocket engine study [PDF]
Preliminary identification and evaluation of promising liquid oxygen/ hydrocarbon (LO2/HC) rocket engine cycles is reported. A consistent and reliable data base for vehicle optimization and design studies, to demonstrate the significance of propulsion ...
Obrien, C. J.
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Anti‐Astrotropik — Outer space, technology and resistance in the tropics
Singapore Journal of Tropical Geography, Volume 47, Issue 2, Page 289-316, May 2026.This paper traces an intellectual and geographical arc of thinking about outer space in the tropics, connecting Peter Redfield's Space in the Tropics: From Convicts to Rockets in French Guiana (2000), Sean T. Mitchell's Constellations of Inequality: Space, Race, and Utopia in Brazil (2017) and Asif Siddiqi's Cosmic Fragments: Dislocation and Discontent
Rob Krawczyk
wiley +1 more source
Liquid Rocket Engine Testing Overview [PDF]
Contents include the following: Objectives and motivation for testing. Technology, Research and Development Test and Evaluation (RDT&E), evolutionary. Representative Liquid Rocket Engine (LRE) test compaigns.
Rahman, Shamim
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Advanced rocket propulsion [PDF]
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.
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Optimization of Liquid Rocket propulsion system for Reusable Orbital Transfer Vehicle
IOP Conference Series: Materials Science and Engineering, 2019 Abstract The work is devoted to the investigation of possible ways to increase the efficiency of reusable orbital transfer vehicle (R-OTV) by using a multi-criteria optimization procedure of liquid rocket propulsion system (LRPS) design parameters.
I Borovik, D Borovikov, A Protopopov
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Hydrogen/oxygen auxiliary propulsion technology [PDF]
A survey is provided of hydrogen/oxygen (H/O) auxiliary propulsion system (APS) concepts and low thrust H/O rocket technology. A review of H/O APS studies performed for the Space Shuttle, Space Tug, Space Station Freedom, and Advanced Manned Launch ...
Reed, Brian D., Schneider, Steven J.
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In-situ propellant rocket engines for Mars mission ascent vehicle [PDF]
When comtemplating the human exploration of Mars, many scenarios using various propulsion systems have been considered. One propulsion option among them is a vehicle stage with multiple, pump fed rocket engines capable of operating on propellants ...
Roncace, Elizabeth A.
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Rocket Based Combined Cycle (RBCC) Propulsion Technology Workshop. Volume 1: Executive summary [PDF]
The goal of the Rocket-Based Combined Cycle (RBCC) Propulsion Technology Workshop was to assess the RBCC propulsion system's viability for Earth-to-Orbit (ETO) transportation systems.
Chojnacki, Kent T.
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