The Theoretical Kinetics of Fission Gas Release During Post-irradiation Annealing Allowing for the Effects of Fission Gas Depletion During Irradiation and During Previous Anneals

The Theoretical Kinetics of Fission Gas Release During Post-irradiation Annealing Allowing for the Effects of Fission Gas Depletion During Irradiation and During Previous Anneals PDF Author: A.W. Shilling
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Languages : en
Pages : 53

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Reports Received by Division of Technical Information Extension

Reports Received by Division of Technical Information Extension PDF Author: U.S. Atomic Energy Commission. Division of Technical Information
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Category : Nuclear energy
Languages : en
Pages : 932

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Kinetics of Fission Product Release Prior to Fuel Slumping

Kinetics of Fission Product Release Prior to Fuel Slumping PDF Author:
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Languages : en
Pages :

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This paper describes the primary physical/chemical models recently incorporated into a mechanistic code (FASTGRASS) for the estimation of fission product release from fuel, and compares predicted results with test data. The theory of noble gas behavior is discussed in relation to its effect on the release behavior of I, Cs, Te, Ba, and Sr. The behavior of these fission products in the presence of fuel liquefaction/dissolution and oxidation grain-growth phenomena is presented, as is the chemistry of Sr, Ba, I, and Cs. Comparison of code predictions with data indicates the following trends. Fission product release behavior from solid strongly depends on fuel microstructure, irradiation history, time at temperature, and internal fuel rod chemistry. Fuel liquefaction/dissolution, fracturing, and oxidation also exert a pronounced effect on release during fuel rod degradation. For very low burnup fuel appreciable fission product retention in previously liquefied fuel can occur due to the low concentration of fission products, and the limited growth of bubbles in the liquefied material. 24 refs., 13 figs., 9 tabs.

The Behavior of Fission-Gas in Fuels

The Behavior of Fission-Gas in Fuels PDF Author:
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Category :
Languages : en
Pages : 32

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In-pile Fission-gas Release from Uranium Carbide and Uranium Nitride

In-pile Fission-gas Release from Uranium Carbide and Uranium Nitride PDF Author: James B. Melehan
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Category : Fission gases
Languages : en
Pages : 62

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The Role of Fission Gas Re-solution During the Post-irradiation Heating of Uranium

The Role of Fission Gas Re-solution During the Post-irradiation Heating of Uranium PDF Author: G.W. Greenwood
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Category :
Languages : en
Pages : 13

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A Combined Fission Gas Release and Swelling Model for Fuel During Irradiation

A Combined Fission Gas Release and Swelling Model for Fuel During Irradiation PDF Author: J.W. Harrison
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Languages : en
Pages : 13

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Evaluating Fuel Behavior During Irradiation by Fission-gas Release

Evaluating Fuel Behavior During Irradiation by Fission-gas Release PDF Author: R.M. Carroll
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Category : Fission products
Languages : en
Pages : 30

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Papers Prepared for Radiation Effects Review Meeting, Congress Hotel, July 31-August 1, 1956

Papers Prepared for Radiation Effects Review Meeting, Congress Hotel, July 31-August 1, 1956 PDF Author: U.S. Atomic Energy Commission. Division of Reactor Development
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Category : Materials
Languages : en
Pages : 348

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Fission Gas Release from Fuel at High Burnup

Fission Gas Release from Fuel at High Burnup PDF Author: Ralph O. Meyer
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Category : Fission gases
Languages : en
Pages : 78

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