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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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At least 127 records · Page 7

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NASA NTRS2015

Decline in Radiation Hardened Microcircuit Infrastructure

Two areas of radiation hardened microcircuit infrastructure will be discussed: 1) The availability and performance of radiation hardened microcircuits, and, and 2) The access to radiation test facilities primarily for proton single event effects (SEE) testing. Other areas not discussed, but are a concern include: The challenge for maintaining radiation effects tool access for assurance purposes, and, the access to radiation test facilities primarily for heavy ion single event effects (SEE) testing. Status and implications will be discussed for each area.

performance of radiation hardened microcircuits↗

NASA NTRS2020

Microwave Sintering Lunar Landing Pads & Horizontal Infrastructure

Moon to Mars Planetary Autonomous Construction Technology’s (MMPACT) Microwave Structure Construction Capability (MSCC) team is developing the ability to prepare the lunar regolith and densify it into glass-ceramic landing pads and horizontal infrastructure. Microwave energy will be utilized to densify the lunar regolith. Some of the concept of operations, simulant and synthetic minerals, site preparation, design, microwave sintering, testing, & ancillary instrument technical challenges were listed. A current status of the MSCC project is also provided.

Microwave, sintering, lunar, regolith, landing pad↗

NASA NTRSDate not supplied

Developing a Vision for Maturing the Heliophysics Infrastructure towards Open Science: The DIARieS Analysis Ecosystem

In the dawn of open science and the upcoming requirements, we speak about the existing state of Heliophysics infrastructure and detail the evolution required to address capability or interconnection shortcomings. Such a daunting barrier calls for an analysis ecosystem with multi-faceted capability. We propose such an ecosystem, called DIARieS, to be built upon five conceptual pillars: Discovery, Implementation, Analysis, Reproducibility, and Sharing of results. The combination of these concepts in a single platform will enable users to more intuitively combine recent advances in technology to create ‘DIARieS’ of their workflows, which can be easily made open to others in the community. The DIARieS ecosystem will also increase our efficiency by streamlining our various workflow processes, including automatic incorporation of the impending requirements of open science. The various components of the ecosystem will simplify software installation and data implementation, including automatically generated citation lists based on the components included. Automatic containerization and version control of the ecosystem will make the custom workflows easily reproducible. Employing widget technology will ease the difficulty of producing publication and commercial quality visualizations and applying common analyses techniques. Incorporating multiple technologies will streamline the various sharing methods common in our work environments today. Overall, the totality of capabilities to be offered by this analysis ecosystem will drastically simplify the application of open science principles to our work in addition to improving our efficiency and ease of collaboration. This talk summarizes a vision of the proposed ecosystem, which is described in more detail in Ringuette et al. (2022: https://doi.org/10.1016/j.asr.2022.05.012).

infrastructure↗

NASA NTRSDate not supplied

Developing a Vision for Maturing the Heliophysics Infrastructure towards Open Science

Infrastructure↗

NASA NTRSDate not supplied

Solar System Infrastructure

This presentation deals with different infrastructure concepts for the global village in future solar system development.

solar system infrastructure↗

NASA NTRS1971

Educational electronic information dissemination and broadcast services: History, current infrastructure and public broadcasting requirements

Electronic educational information dissemination and broadcast services in US including historical development and infrastructure - bibliography

Singh, J. P.↗

NASA NTRS1985

Space stations and space platforms - Concepts, design, infrastructure, and uses

Topics discussed include space infrastructures and early Space Station and platform planning. Consideration is given to the supportive role of the Space Station and platform in future astronomy, earth observation, planetary, and communication space missions. Papers are presented on the history of the Space Station and space platform concepts, potential designs of space stations and space platforms, and long-range plans for space research.

Bekey, I.↗

NASA NTRS1988

Technology requirements for an orbiting fuel depot: A necessary element of a space infrastructure

Advanced planning within NASA has identified several bold space exploration initiatives. The successful implementation of these missions will require a supporting space infrastructure which would include a fuel depot, an orbiting facility to store, transfer and process large quantities of cryogenic fluids. In order to adequately plan the technology development programs required to enable the construction and operation of a fuel depot, a multidisciplinary workshop was convened to assess critical technologies and their state of maturity. Since technology requirements depend strongly on the depot design assumptions, several depot concepts are presented with their effect on criticality ratings. Over 70 depot-related technology areas are addressed.

Stubbs, R. M.↗

NASA NTRS1988

Technology requirements for an orbiting fuel depot - A necessary element of a space infrastructure

Advanced planning within NASA has identified several bold space exploration initiatives. The successful implementation of these missions will require a supporting space infrastructure which would include a fuel depot, an orbiting facility to store, transfer and process large quantities of cryogenic fluids. In order to adequately plan the technology development programs required to enable the construction and operation of a fuel depot, a multidisciplinary workshop was convened to assess critical technologies and their state of maturity. Since technology requirements depend strongly on the depot design assumptions, several depot concepts are presented with their effect of criticality ratings. Over 70 depot-related technology areas are addressed.

Stubbs, R. M.↗

NASA NTRS1989

CIS-lunar space infrastructure lunar technologies: Executive summary

Technologies necessary for the creation of a cis-Lunar infrastructure, namely: (1) automation and robotics; (2) life support systems; (3) fluid management; (4) propulsion; and (5) rotating technologies, are explored. The technological focal point is on the development of automated and robotic systems for the implementation of a Lunar Oasis produced by Automation and Robotics (LOAR). Under direction from the NASA Office of Exploration, automation and robotics were extensively utilized as an initiating stage in the return to the Moon. A pair of autonomous rovers, modular in design and built from interchangeable and specialized components, is proposed. Utilizing a buddy system, these rovers will be able to support each other and to enhance their individual capabilities. One rover primarily explores and maps while the second rover tests the feasibility of various materials-processing techniques. The automated missions emphasize availability and potential uses of Lunar resources, and the deployment and operations of the LOAR program. An experimental bio-volume is put into place as the precursor to a Lunar environmentally controlled life support system. The bio-volume will determine the reproduction, growth and production characteristics of various life forms housed on the Lunar surface. Physicochemical regenerative technologies and stored resources will be used to buffer biological disturbances of the bio-volume environment. The in situ Lunar resources will be both tested and used within this bio-volume. Second phase development on the Lunar surface calls for manned operations. Repairs and re-configuration of the initial framework will ensue. An autonomously-initiated manned Lunar oasis can become an essential component of the United States space program.

Faller, W.↗

NASA NTRS1990

An infrastructure assessment of alternative Mars Transfer Vehicles

Development and evolutionary paths for many space transportation elements must be considered as the United States space program embarks on the Space Exploration Initiative (SEI). A central element of the space transportation infrastructure necessary to support the SEI is Mars Transportation System (MTS). This system consists of the Mars Transfer Vehicle (MTV) and Mars Excursion Vehicle. This paper describes the process and results in evaluating the alternate MTV propulsion concepts. Primary discriminators in evaluating different options for the MTV alternatives are: requirements for earth-to-orbit delivery, on-orbit facility and assembly requirements, and mission performance. Propulsion candidates assessed in this paper include nuclear thermal propulsion, nuclear electric propulsion, solar electric propulsion, and cryogenic chemical propulsion (LO2/LH2). The primary discriminators as well as additional selection criteria will be discussed for each MTS alternative.

Holdridge, Jeffrey D.↗

NASA NTRS1990

International standards for cost-optimized space missions and infrastructure

The establishment of international standards is essential for the success of multiagency space missions. Here, two key areas for international standardization are proposed: the development of standards for infrastructure and the development of multiagency standards. Such standards will ultimately enable cost-optimized small missions as well as a cost-optimized superset of space infractructures.

Mckenzie, Merle↗

NASA NTRS1991

Space Station Freedom program. Commercial infrastructure and technology utilization

The following topics are presented in viewgraph form: (1) the participation of the 'commercial infrastructure' in the evolution of Space Station Freedom (SSF); and (2) the commercial utilization of SSF in terms of developed technologies. Additionally, a comparison between the development of Aviation and Space flight is presented in terms of events occurring on a timeline.

Barquinero, Kevin↗

NASA NTRS1991

Commercial space infrastructure - Giving industry a lift

Private sector initiatives directed toward establishing a commercial space sector in the fields of commercial space transportation, payload processing, upper stages, launch facilities, and other facilities and equipment are presented. Consideration is given to a payload processing facility that is capable of providing all prelaunch services required by communications satellites targeted for launch on U.S. launch systems. Attention is given to NASA's efforts to promote commercial infrastructure development for the creation of new products and services, leading to new markets and businesses.

Stone, Barbara A.↗

NASA NTRS1992

On-orbit assembly operations and in-space infrastructure

The paper describes the development of a set of top-level system requirements for an in-space infrastructure which will accommodate the vehicles proposed for the Space Exploration Initiative (SEI). Issues considered include the current SEI mission strategy, the launch capability, the role of Space Station Freedom (SSF), the on-orbit assembly operations, and the manned tended versus robotic capability. Current SEI mission strategy coupled with SSF planning led to the conclusion that an independent assembly servicing facility (ASF) will best meet the requirements of the SEI program, and an analysis was performed to define the functions required at an ASF. It is shown that the ASF functions can be performed by telerobotic operations.

Cockrell, Charles E.↗

NASA NTRS1992

Creating an open environment software infrastructure

As the development of complex computer hardware accelerates at increasing rates, the ability of software to keep pace is essential. The development of software design tools, however, is falling behind the development of hardware for several reasons, the most prominent of which is the lack of a software infrastructure to provide an integrated environment for all parts of a software system. The research was undertaken to provide a basis for answering this problem by investigating the requirements of open environments.

Jipping, Michael J.↗

NASA NTRS1991

Autonomous rendezvous and capture development infrastructure

In the development of the technology for autonomous rendezvous and docking, key infrastructure capabilities must be used for effective and economical development. This need involves facility capabilities, both equipment and personnel, to devise, develop, qualify, and integrate ARD elements and subsystems into flight programs. One effective way of reducing technical risks in developing ARD technology is the use of the Low Earth Orbit test facility. Using a reusable free-flying testbed carried in the Shuttle, as a technology demonstration test flight, can be structured to include a variety of sensors, control schemes, and operational approaches. This testbed and flight demonstration concept will be used to illustrate how technologies and facilities at MSFC can be used to develop and prove an ARD system.

Bryan, Thomas C.↗

NASA NTRS1991

Autonomous rendezvous and capture development infrastructure

In the development of the technology for autonomous rendezvous and docking, key infrastructure capabilities must be used for effective and economical development. This involves facility capabilities, both equipment and personnel, to devise, develop, qualify, and integrate ARD elements and subsystems into flight programs. One effective way of reducing technical risks in developing ARD technology is the use of the ultimate test facility, using a Shuttle-based reusable free-flying testbed to perform a Technology Demonstration Test Flight which can be structured to include a variety of additional sensors, control schemes, and operational approaches. This conceptual testbed and flight demonstration will be used to illustrate how technologies and facilities at MSFC can be used to develop and prove an ARD system.

Bryan, Thomas C.↗