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Sunday, August 9, 2020 | History

3 edition of Start up of a Nb-1%Zr potassium heat pipe from the frozen state found in the catalog.

Start up of a Nb-1%Zr potassium heat pipe from the frozen state

Start up of a Nb-1%Zr potassium heat pipe from the frozen state

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Published by National Aeronautics and Space Administration, Langley Research Center, National Technical Information Service, distributor in Hampton, Va, Springfield, VA .
Written in English

    Subjects:
  • Heat pipes.,
  • Liquid metals.,
  • Working fluids.,
  • Heat flux.

  • Edition Notes

    Other titlesStart up of a Nb one percent Zr potassium heat pipe from the frozen state.
    StatementDavid E. Glass, Michael A. Merrigan, and J. Tom Sena.
    Series[NASA contractor report] -- NASA/CR-1998-207641., NASA contractor report -- NASA CR-207641.
    ContributionsMerrigan, Michael A., Sena, J. Tom., Langley Research Center., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL18134556M


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Start up of a Nb-1%Zr potassium heat pipe from the frozen state Download PDF EPUB FB2

Get this from a library. Start up of a Nb-1%Zr potassium heat pipe from the frozen state. [David E Glass; Michael A Merrigan; J Tom Sena; Langley Research Center.]. The start up of a liquid metal heat pipe from the frozen state was evaluated experimentally with a Nb-1%Zr heat pipe with potassium as the working fluid.

The heat pipe was fabricated and tested at. The prototype heat pipe, or space radiator element, consists of a C-C composite shell with integrally woven fins. It has a thin-walled furnace-brazed metallic (Nb Author: Albert Juhasz. SAIRS 69 Tournier J.-M.

and El-Genk M. (), A Vapor Flow Model for Analysis of Liquid-Metal Heat Pipe Startup from a Frozen State. International Journal of Heat and Mass Transfer 39(18), Tournier JM.

and El-Genk M. (a), Startup of a Horizontal Lithium/Molybdenum Heat Pipe from a Frozen by: The radiator model is coupled to a heat pipe model, which calculates the vapor flow and temperature drops in the rubidium heat pipes and in the condenser structure of the heat pipes to the base of the C–C fins.

The heat pipe model also calculates the sonic, capillary, entrainment, and incipient boiling by: This banner text can have markup.

web; books; video; audio; software; images; Toggle navigation. Full text of "Space programs summary no.volume 3 for the period 1 February - 31 March Supporting research and advanced development" See other formats.

The heat pipe transfers heat directly to a string of six thermionic converters which are bonded along the other end of the heat pipe. An assembly of 90 such fuel elements forms a hexagonal core.

The core is surrounded by a thermal radiation shield, a thin thermal neutron absorber, and a BeO reflector containing boron-loaded control drums. Materials for the Hydrogen Economy or the material’s dilation when this type of material is reduced in a hydrogen-containing atmosphere.

For a depleted steam electrolysis gas stream, the H2/H2O ratio could be in the to range, which could .