Prediction of the Saturn S-2 base radiation environment
Thermal radiation from S-2 stage of Saturn launc vehicle applied to flux prediction
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Communications satellites - The experimental years
Only eight years after the launc of Sputnik-1 by the Soviet Union, the first commercial satellite, 'Early Bird', entered service. In just twelve years commercial satellite service extended around the earth and became profitable. The reasons for the successful development of the communications satellite services in a comparatively short time are considered. These reasons are related to the presence of three ingredients, taking into account technology to create the system, communications requirements to form a market, and a management structure to implement the system. The formation of the concept of using earth orbiting satellites for telecommunications is discussed. It is pointed out that the years from 1958 to 1964 were the true 'experimental years' for satellite communications. The rapid development of technology during this crucial period is described, giving attention to passive satellites, active systems, and development satellites.
Edelson, B. I.↗
Clementine, Deep Space Program Science Experiment
Clementine, also called the Deep Space Program Science Experiment, is a joint Department of Defense (DoD)/National Aeronautics and Space Administration (NASA) mission with the dual goal of testing small spacecraft, subsystems, and sensors in the deep space environment and also providing a nominal science return. The Clementine mission will provide technical demonstrations of innovative lightweight spacecraft components and sensors, will be launced on a spacecraft developed within 2 years of program start, and will point a way for new planetary mission options under consideration by NASA. This booklet gives the background of the Clementine mission (including the agencies involved), the mission objectives, the mission scenario, the instruments that the mission will carry, and how the data will be analyzed and made accessible.
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Three Phases of Low-Cost Rocket Engine Demonstration Program Completed
The NASA Lewis Research Center and the TRW Space & Technology Group have successfully completed three phases of testing on the Low-Cost Roc ket Engine Demonstration Program. TRW and the McDonnell Douglas Corpo ration are working, in a joint effort, to quickly develop and produce a highly stable, inexpensive, simple, yet reliable, expendable launc h vehicle.
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Advanced Packaging Technologies Used in NASA's 3D Space Flight Computer
During 1995-1997, NASA's New Millenium Program developed the 3D Space Flight Computer technology for validation on its first Deep-Space 1 mission launced in October 1998.
3D Packaging Technologies Flight Computer Avionics↗
Deep 12 and 25 Micron Imaging with the Wide Field Infrared Explorer
The Wide Field Infrared Explorer is a new NASA Small Explorer class observatory to be launced in late 1998. It will survey hundreds of square degrees of high latitude sky in the mid-infrared 12 and 25 micron bands to flux densities up to a factor of 1000 better than IRAS.
Micron Imaging Wide Field Infrared Explorer lumino↗
Orion Pad Abort 1 Flight Test - Ground and Flight Operations
This paper discusses the ground and flight operations aspects to the Pad Abort 1 launch. The paper details the processes used to plan all operations. The paper then discussions the difficulties of integration and testing, while detailing some of the lessons learned throughout the entire launch campaign. Flight operational aspects of the launc~ are covered in order to provide the listener with the full suite of operational issues encountered in preparation for the first flight test of the Orion Launch Abort System.
Hackenberg, Davis L.↗
Options for a Titan Orbiter and Multi-Probe Mission
The Cassini spacecraft to be launced this October will arrive at Saturn in July 2004 and drop the Huygens probe into Titan in November. Then, for teh next three years, the orbiting spacecraft will gather science data of Saturn and her many satellites, using what is called a satellite tour.
CASSINI↗
Attenuation of the Cassini Spacecraft Vibroacoustic Environment
Cassini is a robotic spacecraft currently under development at the Jet Propulsion Laboratory (JPL) whose interplanetary scientific mission is to explore Saturn, its rings, and its moons. Cassini is scheduled to launce on a Titan IV rocket with a Centaur upper stage booster, and will be protected during ascent through the atmosphere by a lightweight aluminum payload fairing (PLF).
robotic↗
A Quality Function Deployment Method Applied to Highly Reusable Space Transportation
This paper will describe a Quality Function Deployment (QFD) currently in work the goal of which is to add definition and insight to the development of long term Highly Reusable Space Transportation (HRST). The objective here is twofold. First, to describe the process, the actual QFD experience as applies to the HRST study. Second, to describe the preliminary results of this process, in particular the assessment of possible directions for future pursuit such as promising candidate technologies or approaches that may finally open the space frontier. The iterative and synergistic nature of QFD provides opportunities in the process for the discovery of what is key in so far as it is useful, what is not, and what is merely true. Key observations on the QFD process will be presented. The importance of a customer definition as well as the similarity of the process of developing a technology portfolio to product development will be shown. Also, the relation of identified cost and operating drivers to future space vehicle designs that are robust to an uncertain future will be discussed. The results in particular of this HRST evaluation will be preliminary given the somewhat long term (or perhaps not?) nature of the task being considered.
hypersonics↗