A Transient Model of Induced Natural Circulation Thermal Cycling for Hydrogen Isotope Separation

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The property of selective temperature dependence of adsorption and desorption of hydrogen isotopes by palladium is used for isotope separation. A proposal to use natural circulation of nitrogen to alternately heat and cool a packed bed of palladium coated beads is under active investigation, and a device consisting of two interlocking natural convection loops is being designed. A transient numerical model of the device has been developed to aid the design process. It is a one-dimensional finite-difference model, using the Boussinesq approximation. The thermal inertia of the pipe walls and other heat structures as well as the heater control logic … continued below

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Shadday, Martin A., Jr. & Heung, Leung Kit July 12, 2005.

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The property of selective temperature dependence of adsorption and desorption of hydrogen isotopes by palladium is used for isotope separation. A proposal to use natural circulation of nitrogen to alternately heat and cool a packed bed of palladium coated beads is under active investigation, and a device consisting of two interlocking natural convection loops is being designed. A transient numerical model of the device has been developed to aid the design process. It is a one-dimensional finite-difference model, using the Boussinesq approximation. The thermal inertia of the pipe walls and other heat structures as well as the heater control logic is included in the model. Two system configurations were modeled and results are compared.

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  • Report No.: WSRC-MS-2005-00145
  • Grant Number: DE-AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 890078
  • Archival Resource Key: ark:/67531/metadc881900

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  • July 12, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • June 20, 2022, 7:10 p.m.

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Shadday, Martin A., Jr. & Heung, Leung Kit. A Transient Model of Induced Natural Circulation Thermal Cycling for Hydrogen Isotope Separation, article, July 12, 2005; [Aiken, South Carolina]. (https://digital.library.unt.edu/ark:/67531/metadc881900/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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