Results 101 to 110 of about 13,180 (230)

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

Using Hydrogen Peroxide for Rocket Fuel Tank Pressurization: Innovations, Advantages, and Challenges

Challenges and Issues of Modern Science
This paper explores the innovative use of hydrogen peroxide (H₂O₂) as a pressurizing agent for rocket fuel tanks, highlighting its potential to enhance efficiency and performance in rocket propulsion systems.
Mykhailo Vorobei, Mykola Bondarenko
doaj  

Civil Space Technology Initiative: a First Step [PDF]

This is the first published overview of OAST's focused program, the Civil Space Technology Initiative, (CSTI) which started in FY88. This publication describes the goals, technical approach, current status, and plans for CSTI.

core   +1 more source

Saturn i to launch pegasus meteoroid detection satellite [PDF]

, 1965
Pegasus meteoroid detection satellite launching by Saturn I launch ...

core   +1 more source

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

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

Hybrid Buses: Costs and Benefits [PDF]

, 2007
Key Facts:In 2005, more than 60 percent of the 9.7 billion transit passenger trips in the United States were provided by buses, approximately 84 percent of which are powered by diesel combustion engines.Diesel exhaust contains ozone precursors, benzene ...

core  

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

Creep Prediction of Fluoroplastics Based on Physics Informed Neural Networks

IEEE Access
Fluoroplastics are key sealing materials in rocket engines. They can easily fail due to creep during long-term storage, which may threaten the engines’ safety during operation.
Wuqi Gao, Yinan Ren, Zhidong Yang
doaj   +1 more source

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.
core   +1 more source

Space benefits: The secondary application of aerospace technology in other sectors of the economy [PDF]

Benefit cases of aerospace technology utilization are presented for manufacturing, transportation, utilities, and health.

core   +1 more source