Results 91 to 100 of about 39,755 (280)

A critical discussion on the planning considerations of electric propulsion for space missions [PDF]

open access: yes
Space missions using electric propulsion systems launched by Saturn V or larger boosters - use of chemical and nuclear ...
Stearns, J. W.
core   +1 more source

The Influence of Big Data‐Driven Educational Technologies on College Teaching Development

open access: yesEngineering Reports, Volume 8, Issue 2, February 2026.
Exploring the impact of big data on college instructors: enhancing teaching, fostering professional growth, and addressing challenges in data adoption and privacy. ABSTRACT The rapid development of big data and mobile Internet technologies has significantly influenced the instructional growth of college instructors. This study investigated how big data
Ling Yu, Wenye Li, Ying Luo
wiley   +1 more source

Large Liquid Rocket Testing: Strategies and Challenges [PDF]

open access: yes
Rocket propulsion development is enabled by rigorous ground testing in order to mitigate the propulsion systems risks that are inherent in space flight.
Hebert, Bartt J., Rahman, Shamim A.
core   +1 more source

Sustainable Water Systems in Space: A Review of Current Technologies and Future Prospects

open access: yesWater Resources Research, Volume 62, Issue 2, February 2026.
Abstract Sustainable water management is a critical challenge in space exploration, where the limited availability of resources requires innovative approaches to ensure astronauts' survival on long‐duration missions. This narrative review explores the key technologies and methods involved in water recycling, in situ resource utilization (ISRU), and ...
David Bamidele Olawade   +2 more
wiley   +1 more source

Historical perspectives: The role of the NASA Lewis Research Center in the national space nuclear power programs [PDF]

open access: yes
The history of the NASA Lewis Research Center's role in space nuclear power programs is reviewed. Lewis has provided leadership in research, development, and the advancement of space power and propulsion systems.
Bloomfield, H. S., Sovie, R. J.
core   +1 more source

An Experimental Study of the Performance of a Subscale Kerosene - Fuelled Ejector Ramjet at Simulated Takeoff [PDF]

open access: yes, 1996
The ejector ramjet is a rocket based combined cycle propulsion system in which a rocket and ramjet are integrated to accrue synergistic benefits. A proof-of-concept experiment to augment the thrust of a simulated rocket by the induction of air through ...
Isaac, JJ   +7 more
core  

The Measured Permeability to Nitrogen Tetroxide of Some Potential Bladder Materials [PDF]

open access: yes
Expulsion bladder material permeability to nitrogen tetroxide for rocket engine propulsion ...
Stanford, H. B.
core   +1 more source

Cargo transfer vehicle RCS propellant contamination issues [PDF]

open access: yes
The purpose of this report is to address Cargo Transfer Vehicle (CTV) RCS contamination issues and contribute to the resources necessary to optimize the vehicle and propulsion systems required in the CTV of the National Launch System (NLS) Heavy Lift ...
Ballard, Richard O.
core   +1 more source

Nuclear thermal propulsion program overview [PDF]

open access: yes
Nuclear thermal propulsion program is described. The following subject areas are covered: lunar and Mars missions; national space policy; international cooperation in space exploration; propulsion technology; nuclear rocket program; and ...
Bennett, Gary L.
core   +1 more source

Global design optimization for aerodynamics and rocket propulsion components [PDF]

open access: green, 2001
Wei Shyy   +3 more
openalex   +1 more source

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