Babcock & Wilcox Technical Services Y-12, LLC

Consolidated Nuclear Security, LLC

Michael John Renner

Russell Louis Hallman, Jr

Edward B Ripley

Jonathan S Morrell

Jacob Lee Miller

Walter Duerksen

A thermal protection barrier including a base layer having a high melting temperature granular media having free standing granules disposed within the base layer and a distributor grid layer having a plurality of spaced-apart distributors composed of a high melting temperature material disposed adjacent to the base layer. The spaced-apart distributors are dimensioned and configured to provide load bearing support to the thermal protection barrier prior to a breach of the thermal protection barrier and to divide and disperse a superheated flowing mass to the free standing granules of the base layer upon occurrence of a breach. In certain embodiments, the thermal protection barrier is positioned adjacent to a nuclear system such that, upon occurrence of a loss of containment accident, the distributor grid layer is positioned and configured to divide and disperse a superheated flowing nuclear mass to the free standing granules.

Thermal protection barrier

A thermal protection barrier including a base layer having a plurality of baffles with perforated walls and a high melting temperature granular media disposed within the plurality of baffles. When the base layer is breached by a thermal threat, the granular media is operable to flow through the perforated walls of the plurality of baffles to provide a controlled flow of granular media to an area proximate the breach for thwarting the thermal threat.

Thermal protection barrier for delaying access

Systems and methods are provided for measuring the permeance of a material. The permeability of the material may also be derived. Systems typically provide a liquid or high concentration fluid bath on one side of a material test sample, and a gas flow across the opposing side of the material test sample. The mass flow rate of permeated fluid as a fraction of the combined mass flow rate of gas and permeated fluid is used to calculate the permeance of the material. The material test sample may be a sheet, a tube, or a solid shape. Operational test conditions may be varied, including concentration of the fluid, temperature of the fluid, strain profile of the material test sample, and differential pressure across the material test sample.

System and method for measuring permeability of materials

A system for measuring the permeance of a material. The permeability of the material may also be derived. The system provides a liquid or high concentration fluid bath on one side of a material test sample, and a gas flow across the opposing side of the material test sample. The mass flow rate of permeated fluid as a fraction of the combined mass flow rate of gas and permeated fluid is used to calculate the permeance of the material. The material test sample may be a sheet, a tube, or a solid shape. Operational test conditions may be varied, including concentration of the fluid, temperature of the fluid, strain profile of the material test sample, and differential pressure across the material test sample.

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Oak Ridge, TN, United States of America

Michael John Renner