Results 91 to 100 of about 20,787 (234)

The Technical Hypothesis of a Missile Engine Conversion and Upgrade for More Sustainable Orbital Deployments

open access: yesAerospace
The 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
doaj   +1 more source

A Case Study on Current Developments and Future Direction of Hypergolic Propellant Systems

open access: yesAerospace
Hypergolic 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
doaj   +1 more source

Aerospace vehicle [PDF]

open access: yes, 1985
A dual structure aerospace vehicle is described which has an aeroshell structure and an internally disposed separable and reusable integral tank/thrust structure.
Jackson, L. R., Taylor, A. H.
core   +1 more source

JANNAF liquid rocket combustion instability panel research recommendations [PDF]

open access: yes
The Joint Army, Navy, NASA, Air Force (JANNAF) Liquid Rocket Combustion Instability Panel was formed in 1988, drawing its members from industry, academia, and government experts.
Klem, Mark D.
core   +4 more sources

The hard start phenomena in hypergolic engines. Volume 1: Bibliography [PDF]

open access: yes
A bibliography of reports pertaining to the hard start phenomenon in attitude control rocket engines on Apollo spacecraft is presented. Some of the subjects discussed are; (1) combustion of hydrazine, (2) one dimensional theory of liquid fuel rocket ...
Miron, Y., Perlee, H. E.
core   +1 more source

Overview of space propulsion systems for identifying nondestructive evaluation and health monitoring opportunities [PDF]

open access: yes
The next generation of space propulsion systems will be designed to incorporate advanced health monitoring and nondestructive inspection capabilities. As a guide to help the nondestructive evaluation (NDE) community impact the development of these space ...
Generazio, Edward R.
core   +1 more source

Space Propulsion: a Survey Study About Current and Future Technologies

open access: yesJournal 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  

Developments in REDES: The Rocket Engine Design Expert System [PDF]

open access: yes
The Rocket Engine Design Expert System (REDES) was developed at NASA-Lewis to collect, automate, and perpetuate the existing expertise of performing a comprehensive rocket engine analysis and design.
Davidian, Kenneth O.
core   +2 more sources

Specific Impulse and Ignition Delay Time Assessment for DMAZ with Liquid Oxidizers for an Upper Stage Rocket Engine [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2017
2-Dimethyl amino ethyl azide (DMAZ) has attracted much attention as a suitable liquid fuel replacement for monomethyl hydrazine (MMH) and unsymmetrical dimethyl hydrazine (UDMH) in propellant systems because, in contrast to these fuels, it is ...
Shahram Ghanbari Pakdehi   +1 more
doaj  

A Soviet quasi-market for inventions : jet propulsion, 1932–1946 [PDF]

open access: yes
This paper is about how a command system allocated resources under profound uncertainty. The command system was the Soviet economy, the period was Stalin's dictatorship, and the resources were designated for military research & development.
Harrison, Mark
core   +1 more source

Home - About - Disclaimer - Privacy