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Saturday, May 2, 2020 | History

3 edition of Quantifiable figures of merit for nuclear thermal propulsion found in the catalog.

Quantifiable figures of merit for nuclear thermal propulsion

Quantifiable figures of merit for nuclear thermal propulsion

report of the Nuclear Propulsion Mission Analysis Figures of Merit subpanel

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  • 3 Currently reading

Published by National Aeronautics and Space Administration, Langley Research Center, For sale by the National Technical Information Service in Hampton, Va, [Springfield, Va .
Written in English

    Subjects:
  • Nuclear propulsion.

  • Edition Notes

    StatementDavy A. Haynes.
    SeriesNASA technical memorandum -- 104179.
    ContributionsLangley Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15365203M

    BWX Technologies, Inc. (BWXT) is working with NASA in support of the agency’s Nuclear Thermal Propulsion (NTP) Project. BWXT is responsible for initiating conceptual designs of an NTP reactor in hopes of powering a future manned mission to Mars.   My book "Nuclear Propulsion Techniques for Spacecraft" is a book that focuses on the need for using nuclear reactors aboard a spacecraft in order to travel longer distances. The various techniques for using nuclear propulsion in spacecraft are : Ugur Guven.

    Any sensible answer to your question should make an implicit assumption on the number of engines to be ordered overall. That is, we need to know the number of planned manned flights to Mars and other important destinations, since fixed (sunk) costs of an NTR-based program are significant. Nuclear Thermal Propulsion Systems Nuclear thermal propulsion systems were the first nuclear style propulsion system to be analyzed for use in spacecraft. With the concept first being realized shortly after World War II. The primary concept of a nuclear thermal propulsion system is to generate significant heat using a light nuclear Size: KB.

    The performance of nuclear thermal propulsion could be boosted – News of Febru – Nuclear engines achieved advanced development as early as the s. Nuclear thermal propulsion (NTP) provides thrust by reducing pressure of hydrogen through the heat of a nuclear reactor. This generates a strong thrust but it is insufficient to propel Read more. A nuclear pulse drive starship powered by fusion-antimatter catalyzed nuclear pulse propulsion units would be similarly in the 10% range and pure Matter-antimatter annihilation rockets would be theoretically capable of obtaining a velocity between 50% to 80% of the speed of light. In each case saving fuel for slowing down halves the maximum speed.


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Quantifiable figures of merit for nuclear thermal propulsion Download PDF EPUB FB2

FUNDING NUMBERS Report of the Nuclear Propulsion Mission Analysis Figures WIT of Merit Subpanel - Quantifiable Figures of Merit for Nuclear Merit Propulsior &.

AU'THOR{S) Davy A. Haynes 7. PERFORMING ORGANIZATION NAME(S) AND AODRESS(ES) NASA Langley Research Center Hampton, VA 9. Quantifiable figures of merit for nuclear thermal propulsion: report of the Nuclear Propulsion Mission Analysis Figures of Merit subpanel Author: Davy A Haynes ; Langley Research Center.

Nuclear Thermal Propulsion (NTP) Project Overview Project Objective: Determine the feasibility and affordability of a Low Enriched Uranium (LEU)-based NTP engine with solid cost and schedule confidence Approach: • Evaluate the implications of using LEU fuel on NTP engine design • Fuel element, reactor, and engine conceptual designs and.

American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA NASA is currently investigating nuclear thermal propulsion as an alternative to chemical propulsion for manned missions to the outer planets. There are a number of materials being considered for use as fuel elements.

These materials include tricarbides and CERMETS such as W/UO2, Mo/UO2, W/UN and Mo/UN. All of these materials require high temperature processing to achieve the required : Dennis S. Tucker.

The nuclear thermal propulsion (NTP) system is a promising technology, which uses nuclear fission energy rather than the traditional chemical reactions to heat liquid hydrogen [4,5], thus its specific impulse shows significant improvement over chemical rockets due to the lower molecular weight of : Yu Ji, Ziping Liu, Jun Sun, Lei Shi.

AAAF 6th International Symposium Propulsion for Space Transportation of the XXIst Century – thVersailles, May1 HISTORY OF THE NUCLEAR THERMAL ROCKET PROPULSION Pascal PEMPIE C.N.E. “The bill’s investment in nuclear thermal propulsion is critical as NASA works towards the design of a flight demonstration by ,” said Rep.

Robert Aderholt (R-Ala.), ranking member of. To achieve even higher temperatures, sometimes the fuel is turned into a gas, or sometimes a plasma. This is a gas-core nuclear thermal rocket, and there’s two varieties with very different advantages and disadvantages.

The first is called the closed cycle gas core NTR, also sometimes called the “nuclear lightbulb.”This was one of the first nuclear rocket designs proposed, first.

Nuclear Thermal Propulsion: Game Changing Technology for Deep Space ExplorationAuthor: Loura Hall. Principles of Nuclear Rocket Propulsion provides an understanding of the physical principles underlying the design and operation of nuclear fission-based rocket engines.

While there are numerous texts available describing rocket engine theory and nuclear reactor theory, this is the first book available describing the integration of the two.

Principles of Nuclear Rocket Propulsion. provides an understanding of the physical principles underlying the design and operation of nuclear fission-based rocket engines.

While there are numerous texts available describing rocket engine theory and nuclear reactor theory, this is the first book available describing the integration of the two subject areas.

The results of an inquiry by the Nuclear Propulsion Mission Analysis, Figures of Merit subpanel are given. The subpanel was tasked to consider the question of what are the appropriate and quantifiable parameters to be used in the definition of an overall figure of merit (FoM) for Mars transportation system (MTS) nuclear thermal rocket engines (NTR).

Nuclear Thermal Propulsion (NTP) NASA’s history with nuclear thermal propulsion (NTP) technology goes back to the earliest days of the Agency.

The Rover and the Nuclear Engine for Rocket Vehicle App li cations programs ran from soon after NASA’s inception in until Since then, consistent recognition existsFile Size: 1MB. Amazon Best Sellers Rank: #1, in Books (See Top in Books) # in Nuclear Engineering (Books) # in Astronautics & Space Flight.

# in Aerospace Propulsion Technology.5/5(8). A Comparison of Nuclear Thermal and Nuclear Electric Propulsion for Interplanetary Missions Michael J. Osenar Faculty Mentor: LtCol Timothy Lawrence Fall A comparison is made between nuclear thermal rockets and nuclear powered electric propulsion systems.

Complete missions are designed to be launched by a single Ariane 5 andFile Size: KB. The works of Rossi, Silva et al. and Mueller [, ] review propulsion systems applicable to small overview of performance characteristics and applications of the different propulsion systems applicable to small satellites, with a gross wet mass of kg or less, are provided in Table 1 [,, ].The upper limit of kg was selected as this is the maximum mass allowed by the Cited by: 1.

The present work explores the application of fission matrix methods to nuclear thermal propulsion systems in order to account for fuel temperature feedback and control drum movement. The current NASA DRM requires a nuclear thermal propulsion system capable of delivering total mission requirements of N ( lbf) thrust and 50 kWe of spacecraft electrical power.

This is met assuming three engines capable of each delivering. L "Figure 4. (a) Electrical resistivity, (b) thermal conductivity (c) and Seebeck" Please change to "Figure 4. (a) Electrical resistivity, (b) thermal conductivity and (c) Seebeck" Author Response.

The manuscript "Seebeck and Figure of Merit Enhancement by Rare 2 Earth. Doping in YbxRExZnSb11 (x = )" describes a successful way forCited by: 2. N.

uclear Thermal Propulsion (NTP) is an attractive option for in-space propulsion for exploration missions to Mars and beyond. NTP offers virtually unlimited energy density and specific impulse roughly double that of the highest performing traditional chemical systems.Use quantitative methods in materials selection.

4. Incorporate computer methods in the selection process. introduced on per unit volume basis. A figure of merit (M) for the material can then be defined as: M = γ/(C ρ) • Lower thermal expansion coefficient reduces thermal Size: KB.preferred propulsion option because of its proven tech-nology, higher performance, lower launch mass, sim-ple assembly, and growth potential (e.g., “bimodal” operation).

Furthermore, in contrast to other advanced propulsion options, Nuclear Thermal Propulsion (NTP) requires no .