Electric Power System Technology Options For Lunar Surface Missions
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Electric Power System Technology Options For Lunar Surface Missions
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-24
Electric Power System Technology Options For Lunar Surface Missions written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-24 with categories.
In 2004, the President announced a 'Vision for Space Exploration' that is bold and forward-thinking, yet practical and responsible. The vision explores answers to longstanding questions of importance to science and society and will develop revolutionary technologies and capabilities for the future, while maintaining good stewardship of taxpayer dollars. One crucial technology area enabling all space exploration is electric power systems. In this paper, the author evaluates surface power technology options in order to identify leading candidate technologies that will accomplish lunar design reference mission three (LDRM-3). LDRM-3 mission consists of multiple, 90-day missions to the lunar South Pole with 4-person crews starting in the year 2020. Top-level power requirements included a nominal 50 kW continuous habitat power over a 5-year lifetime with back-up or redundant emergency power provisions and a nominal 2-kW, 2-person unpressurized rover. To help direct NASA's technology investment strategy, this lunar surface power technology evaluation assessed many figures of merit including: current technology readiness levels (TRLs), potential to advance to TRL 6 by 2014, effectiveness of the technology to meet the mission requirements in the specified time, mass, stowed volume, deployed area, complexity, required special ground facilities, safety, reliability/redundancy, strength of industrial base, applicability to other LDRM-3 elements, extensibility to Mars missions, costs, and risks. For the 50-kW habitat module, dozens of nuclear, radioisotope and solar power technologies were down-selected to a nuclear fission heat source with Brayton, Stirling or thermoelectric power conversion options. Preferred energy storage technologies included lithium-ion battery and Proton Exchange Membrane (PEM) Regenerative Fuel Cells (RFC). Several AC and DC power management and distribution architectures and component technologies were defined consistent with the preferred habitat powe
Electric Power System Technology Options For Lunar Surface Missions
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Author : Thomas W. Kerslake
language : en
Publisher: BiblioGov
Release Date : 2013-06
Electric Power System Technology Options For Lunar Surface Missions written by Thomas W. Kerslake and has been published by BiblioGov this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06 with categories.
The NASA Technical Reports Servcr (NTRS) houses half a million publications that are a valuable means of information to researchers, teachers, students, and the general public. These documents are all aerospace related with much scientific and technical information created or funded by NASA. Some types of documents include conference papers, research reports, meeting papers, journal articles and more. This is one of those documents.
Power Options For Lunar Exploration
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Author :
language : en
Publisher:
Release Date : 1992
Power Options For Lunar Exploration written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
This paper presents an overview of the types of power systems available for providing power on the moon. Lunar missions of exploration, in situ resource utilization, and colonization will be constrained by availability of adequate power. The length of the lunar night places severe limitations on solar power system designs, because a large portion of the system mass is devoted to energy storage. The selection of the ideal power source hardware will require compatibility with not only the lunar base power requirements and environment, but also with the conversion, storage, and transmission equipment. In addition, further analysis to determine the optimum operating parameters for a given power system should be conducted so that critical technologies can be identified in the early stages of base development. This paper describes the various concepts proposed for providing power on the lunar surface and compare their ranges of applicability. The importance of a systems approach to the integration of these components will also be discussed.
Lunar Surface To Surface Power Transfer
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-05-20
Lunar Surface To Surface Power Transfer written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-20 with categories.
A human lunar outpost, under NASA study for construction in the 2020's, has potential requirements to transfer electric power up to 50-kW across the lunar surface from 0.1 to 10-km distances. This power would be used to operate surface payloads located remotely from the outpost and/or outpost primary power grid. This paper describes concept designs for state-of-the-art technology power transfer subsystems including AC or DC power via cables, beamed radio frequency power and beamed laser power. Power transfer subsystem mass and performance are calculated and compared for each option. A simplified qualitative assessment of option operations, hazards, costs and technology needs is also described. Based on these concept designs and performance analyses, a DC power cabling subsystem is recommended to minimize subsystem mass and to minimize mission and programmatic costs and risks. Avenues for additional power transfer subsystem studies are recommended. Kerslake, Thomas W. Glenn Research Center LUNAR BASES; DIRECT CURRENT; ELECTRIC POWER TRANSMISSION; TRANSMISSION LINES; ELECTRICITY; ALTERNATING CURRENT; LASER POWER BEAMING; LUNAR SURFACE
New Technology And Lunar Power Option For Power Beaming Propulsion
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Author :
language : en
Publisher:
Release Date : 2004
New Technology And Lunar Power Option For Power Beaming Propulsion written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Electric power transmission categories.
Orbit raising missions (LEO to GEO or beyond) are the only missions with enough current traffic to be seriously considered for near-term power beaming propulsion. Even these missions cannot justify the development expenditures required to deploy the required new laser, optical and propulsion technologies or the programmatic risks. To be deployed, the laser and optics technologies must be spin-offs of other funded programs. The manned lunar base nighttime power requirements may justify a major power beaming program with 2MW lasers and large optical systems. New gas laser and space optics technologies may now make this mission plausible. If deployed these systems could be diverted for power beaming propulsion applications. The completion of a power beaming project will provide the National Aeronautics and Space Administration (NASA) with an important option for providing a power rich environment for future surface explorations on the moon and Mars.
Large Space Structures Systems In The Space Station Era
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Author :
language : en
Publisher:
Release Date : 1990
Large Space Structures Systems In The Space Station Era written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Large space structures (Astronautics) categories.
Space Resources Energy Power And Transport
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Author :
language : en
Publisher:
Release Date : 1992
Space Resources Energy Power And Transport written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Natural resources categories.
Enabling The Space Exploration Initiative
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Author : Gary L. Bennett
language : en
Publisher:
Release Date : 1991
Enabling The Space Exploration Initiative written by Gary L. Bennett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Electric power categories.
Instrumentation And Control Needs For Reliable Operation Of Lunar Base Surface Nuclear Power Systems
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-24
Instrumentation And Control Needs For Reliable Operation Of Lunar Base Surface Nuclear Power Systems written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-24 with categories.
As one of the near-term goals of the President's Vision for Space Exploration, establishment of a multi-person lunar base will require high-endurance power systems which are independent of the sun, and can operate without replenishment for several years. These requirements may be obtained using nuclear power systems specifically designed for use on the lunar surface. While it is envisioned that such a system will generally be supervised by humans, some of the evolutions required maybe semi or fully autonomous. The entire base complement for near-term missions may be less than 10 individuals, most or all of which may not be qualified nuclear plant operators and may be off-base for extended periods thus, the need for power system autonomous operation. Startup, shutdown, and load following operations will require the application of advanced control and health management strategies with an emphasis on robust, supervisory, coordinated control of, for example, the nuclear heat source, energy conversion plant (e.g., Brayton Energy Conversion units), and power management system. Autonomous operation implies that, in addition to being capable of automatic response to disturbance input or load changes, the system is also capable of assessing the status of the integrated plant, determining the risk associated with the possible actions, and making a decision as to the action that optimizes system performance while minimizing risk to the mission. Adapting the control to deviations from design conditions and degradation due to component failures will be essential to ensure base inhabitant safety and mission success. Intelligent decisions will have to be made to choose the right set of sensors to provide the data needed to do condition monitoring and fault detection and isolation because of liftoff weight and space limitations, it will not be possible to have an extensive set of instruments as used for earth-based systems. Advanced instrumentation and control technologies will be
Large Space Structures Systems In The Space Station Era
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Author :
language : en
Publisher:
Release Date : 1991
Large Space Structures Systems In The Space Station Era written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Large space structures (Astronautics) categories.