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Friday, January 31, 2020 | History

2 edition of Radiation-induced impluse loading on a spherical shell found in the catalog.

Radiation-induced impluse loading on a spherical shell

Michael J Forrestal

Radiation-induced impluse loading on a spherical shell

  • 189 Want to read
  • 32 Currently reading

Published by Dept. of Energy, Sandia Laboratories, for sale by the National Technical Information Service] in [Albuquerque, N.M.], [Springfield, Va .
Written in English

    Subjects:
  • Radiation,
  • Sphere

  • Edition Notes

    StatementMichael J. Forrestal and Mathias J. Sagartz, Simulation Technology Department, Sandia Laboratories ; prepared by Sandia Laboratories for the United States Department of Energy
    SeriesSAND ; 78-1915
    ContributionsSagartz, Mathias J., joint author, United States. Dept. of Energy, Sandia Laboratories, Sandia Laboratories. Simulation Technology Dept
    The Physical Object
    Pagination11 p. :
    Number of Pages11
    ID Numbers
    Open LibraryOL14883199M

    Williams: What happens to the 20 percent of the thermal radiation which is absorbed in the oxygen and i s not transmitted to the hydrogen? J1 23? In ad- dition to toxicology and other medical specialities, study areas include biomedical instrumentation and health research techniques utilizing animals - but always with intended application to human health measures. Since this fuel volume fraction was also consistent with the neutronic requirements, it seems to represent a good baseline from which to evaluate the fluid mechanics research on the light bulb. Franklin: Most of the energy will be deposited in the moderator over a substantial width of material and i t appears that the thermal stresses will therefore be within acceptable levels. Mention of trade names or commercial products does not constitute endorsement of recommendation for use.

    The importance of this study resides more in the trends and the forms of the relationships developed than in the absolute numbers. The mass of uranium fuel in the engine cavity is given simply by the uranium density times the volume occupied by the fuel. A LA3GE? These equations are incorporated into a simplified radiant heat transfer equation. I IThe previous discussion on the transparent walls could lead to the conclusion that their presence completely detracts from the performance of the engine; however, from the fluid mechanics standpoint, the presence of the transparent wall is a bonus since it isolates the fuel containment techniques from the engine performance.

    If selective spectrum seeding is shown to be feasible, fuel radiating temperatures up to approximately 20 " R may be possible. Williams: What happens to the 20 percent of the thermal radiation which is absorbed in the oxygen and i s not transmitted to the hydrogen? H, United Aircraft Res. The detailed assessment of the strength of machine elements under impact loading regimes involves use of advanced techniques including Finite Element Analysis.


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Radiation-induced impluse loading on a spherical shell by Michael J Forrestal Download PDF Ebook

Williams: What happens to the 20 percent of the thermal radiation which is absorbed in the oxygen and i s not transmitted to the hydrogen? OF 1 3C. Though it is perhaps not so obvious, engine thrust level, engine specific impulse, and cavity diameter also play a role.

Thus the results of this study will disclose what combinations of thrust, pressure, uranium flow rate, etc. In either case, however, the quantity of seed required will have a minor effect on the engine performance when compared with other limiting factors.

Research on uranium plasmas and their technological applications

A LA3GE? However, if such seeding is not effective, the maximum fuel radiating temperature will be less than 15 " R and, therefore, the maximum specific impulse will be less than sec. Fatigue Index or it may involve impact or suddenly applied loads.

Equations are aiso developed that give the uranium density and opacity as a function of reactor pressure and fuel temperature. However, research is still underway on gas-core problems and it will probably.

Answer Impact Loading Generally when the strength of machine elements are considered it is assumed that the loading is static or applied gradually. Elimination of traditional grouping was consciously planned to foster technology transfer and a Radiation-induced impluse loading on a spherical shell book interface in related fields.

Roughly speaking, the fuel volume is determined by the fluid mechanics phenomena in the cavity, and the fuel density, by the radiant heat transfer process. With each Radiation-induced impluse loading on a spherical shell book descriptor is the number of titles that are involved.

The more rapid the loading the higher the tensile and ultimate strengths of the materials. Ammonia synthesis uses a pressure of about atm. Lowe for her patience and fortitude in the tedious and often discouraging task of computer entry and edit of this material. The flow rates will probably be high, so there would be a limit on the recycle system.

The feasibility of using gaseous uranium to power a nuclear rocket engine has been under investigation for over 10 years. An analysis is carried out to relate the amount of uranium that would be contained in such an engine to engine performance parameters.

The specific pieces of information required are as follows: 1 The fuel volume as a function of cavity size, cavity shape, and hydrogen and ura- 1I nium flow rates; 2 the fuel equation of state; 3 the fuel opacity; and 4 a radiant heat transfer relation.

Mention of trade names or commercial products does not constitute endorsement of recommendation for use. If selective spectrum seeding is shown to be feasible, fuel radiating temperatures up to approximately 20 " R may be possible. I t is in the pressure range of heavy artillery.

This series describes projects and studies re- lating to the tolerances of man for unhealthful substances or conditions. GS3, United Aircraft Res. The detailed assessment of the strength of machine elements under impact loading regimes involves use of advanced techniques including Finite Element Analysis.

Reference 1 presents a review of some early vortex open-cycle work and the current closed-cycle workv, and has a bibliography of papers. It is possible to complete relatively simply stress evaluation for suddenly applied and impact loads by using the principle of conservation of energy and assuming the materials considered respond to the loading elastically.INTRODUCTION This revision replaces the original edition of the "Bibliography of the Cat", EPA/ of February,which is obsolete and should be discarded.

The "Bibliography of the Cat" originated as an aid in the definition of the domestic feline as a laboratory animal. May 23,  · The US LHC Accelerator Research Program (LARP) and CERN are developing high-gradient Nb 3Sn magnets for the High Luminosity LHC interaction regions. Magnetic measurements of the first m long, mm aperture model quadrupole, MQXFS1, were performed during magnet assembly at LBNL, as well as during cryogenic testing at Fermilab’s Vertical.

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