Results 81 to 90 of about 20,668 (233)
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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, 1981 The system includes reusable turbojet propelled booster vehicles releasably connected to a reusable rocket powered orbit vehicle. The coupled orbiter-booster combination takes off horizontally and ascends to staging altitude and speed under booster power
Jackson, L. R. +3 more
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A rapid method for optimization of the rocket propulsion system for single-stage-to-orbit vehicles [PDF]
A rapid analytical method for the optimization of rocket propulsion systems is presented for a vertical take-off, horizontal landing, single-stage-to-orbit launch vehicle.
Eldred, C. H., Gordon, S. V.
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AerospaceThe conversion of legacy missile engines into space propulsion systems represents a strategic opportunity to accelerate Europe’s access to orbit while advancing sustainability and circular-economy goals.
Emilia-Georgiana Prisăcariu +7 more
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A Case Study on Current Developments and Future Direction of Hypergolic Propellant Systems
AerospaceHypergolic propellants are easy to start and restart, stay liquid at normal temperatures, and avoid storage issues, making them ideal for spacecraft propulsion systems.
Nadir Yilmaz +2 more
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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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National Institute for Rocket Propulsion Systems 2012 Annual Report: A Year of Progress and Challenge [PDF]
The National Institute for Rocket Propulsion Systems (NIRPS) maintains and advances U.S. leadership in all aspects of rocket propulsion for defense, civil, and commercial uses. The Institute's creation is in response to widely acknowledged concerns about
Doreswamy, Rajiv +2 more
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Droplet Agglomeration in Rocket Nozzles Caused by Particle Slip and Collision [PDF]
, 1967 Droplet Agglomeration in Rocket Nozzles Caused by Particle Slip and Collision. The development of the particle mass spectrum in a rocket nozzle is investigated under the assumption that droplet growth by collision and agglomeration is the dominant ...
Marble, Frank E.
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Space Propulsion: a Survey Study About Current and Future Technologies
Journal of Aerospace Technology and Management, 2018 Current Space Launch Vehicles use chemical reactions (solid and liquid propellants) to achieve suffi cient thrust to launch artifacts and humans into space.
Maria Cristina Vilela Salgado +2 more
doaj
Operationally Efficient Propulsion System Study (OEPSS) data book. Volume 4: OEPSS design concepts [PDF]
This study was initiated to identify operations problems and cost drivers for current propulsion systems and to identify technology and design approaches to increase the operational efficiency and reduce operations costs for future propulsion systems. To
Farhangi, Shahram +2 more
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