An Experimental Study Of Vortex Flow For Application To Gas Phase Fission Heating
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An Experimental Study Of Vortex Flow For Application To Gas Phase Fission Heating
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Author :
language : en
Publisher:
Release Date : 1960
An Experimental Study Of Vortex Flow For Application To Gas Phase Fission Heating written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with categories.
An experimental investigation into the gas dynamics of a jet-driven vortex tube for application of a cavity nuclear reactor to rocket propulsion has shown that viscous retardation of the vortex motion is severe, because of a high level of turbulence near the periphery. Based on the experience gained in this study, it is estimated that the achievement of vortex strengths sufficient for practical application will require the use of small diameter tubes with appreciable expenditure of power for recirculation of the gas. The effect of the high degree of turbulence on the separation process near the periphery remains to be determined. The independent variables which were found to influence the vortex strength significantly for a given gas and temperature condition are the tube diameter, the mass flow rate per unit tube length, the injection velocity, and the wall pressure. Estimates of the degree of turbulence in vortex flow have been made from data on the variation in tangential velocity with radius. Virtual (total) viscosities near the periphery ranged from 30 to 700 times the molecular viscosity for tangential Reynolds numbers of from 4 x 10/sup 4/ to 2 x l0/sup 6/. Measurements of the position of the mole- fraction peak for separation of helium and a heavy vapor agreed with the theory for laminar flow. This suggests that near the center of the vortex tube where the peak developed the radial density gradient was sufficiently strong to suppress turbulence. It is concluded that the vortex reactor concept appears promising for application to nuclear rocket propulsion provided a satisfactory method can be devised for recirculation of the large excess mass flow required to maintain the vortex strength, and if turbulence does not appreciably limit the separation process. A separation experiment at elevated temperature appears to be the next logical step in the research program. (auth).
Nasa Technical Note
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Author :
language : en
Publisher:
Release Date : 1963
Nasa Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with categories.
Experimental Investigation Of Heat Release In A Particle Seeded Vortex
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Author : Richard A. Robinson
language : en
Publisher:
Release Date : 1974
Experimental Investigation Of Heat Release In A Particle Seeded Vortex written by Richard A. Robinson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.
The thermo-hydraulic and fluid flow characteristics of a confined two-phase, two-component vortex were investigated both experimentally and analytically. The solid components of the two-phase mixtures that were studied were stainless steel microspheres and naturally enriched uranium dioxide spheroidized particles. The fluid component of the gas-solid vortex was either air or helium gas. An experimental apparatus was designed, fabricated, and operated to provide data on the effects of heat release from suspended particles on the fluid dynamics of a two-phase vortex chamber that simulated a colloid-core nuclear reactor. The apparatus was initially operated in the laboratory to provide baseline nonheated data and subsequently was located in a test cell of the Battelle Research Reactor to provide fission heating in the uranium dioxide particles.
Technical Report Jet Propulsion Laboratory California Institute Of Technology
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Author : Jet Propulsion Laboratory (U.S.)
language : en
Publisher:
Release Date : 1962
Technical Report Jet Propulsion Laboratory California Institute Of Technology written by Jet Propulsion Laboratory (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Jet propulsion categories.
Hearings And Reports On Atomic Energy
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Author : United States. Congress. Joint Committee on Atomic Energy
language : en
Publisher:
Release Date : 1963
Hearings And Reports On Atomic Energy written by United States. Congress. Joint Committee on Atomic Energy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Nuclear energy categories.
Nuclear Energy For Space Propulsion And Auxiliary Power
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Author : United States. Congress. Joint Committee on Atomic Energy. Subcommittee on Research, Development, and Radiation
language : en
Publisher:
Release Date : 1961
Nuclear Energy For Space Propulsion And Auxiliary Power written by United States. Congress. Joint Committee on Atomic Energy. Subcommittee on Research, Development, and Radiation and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Nuclear propulsion categories.
Focuses on cooperative AEC-NASA-DOD RPD programs to apply nuclear power to rocket propulsion and spacecraft power systems.
Performance Capability Of Single Cavity Vortex Gaseous Nuclear Rockets
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Author : Robert G. Ragsdale
language : en
Publisher:
Release Date : 1963
Performance Capability Of Single Cavity Vortex Gaseous Nuclear Rockets written by Robert G. Ragsdale and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Nuclear rockets categories.
Paper
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Author :
language : en
Publisher:
Release Date : 1961
Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Rocketry categories.
Papers submitted for presentation to American Rocket Society national convention.
A Numerical Investigation Of A Confined Vortex Problem
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Author : Robin E. Textor
language : en
Publisher:
Release Date : 1968
A Numerical Investigation Of A Confined Vortex Problem written by Robin E. Textor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Navier-Stokes equations categories.
Nuclear Energy For Space Propulsion And Auxiliary Power
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Author : United States. Congress. Joint Committee on Atomic Energy
language : en
Publisher:
Release Date : 1961
Nuclear Energy For Space Propulsion And Auxiliary Power written by United States. Congress. Joint Committee on Atomic Energy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Nuclear propulsion categories.
Focuses on cooperative AEC-NASA-DOD RPD programs to apply nuclear power to rocket propulsion and spacecraft power systems.