Production Test PT-IP-810 installation of flat aluminum horizontal control rod, D Reactor

Alexander, W. K.; Hutton, P. H.

doi:10.2172/10168919

Production Test PT-IP-810 installation of flat aluminum horizontal control rod, D Reactor

PDF Version Also Available for Download.

Description

The two small reactors (B and D) currently utilize a flat aluminum horizontal control rod consisting of three cooling tubes surrounded by boron carbide-aluminum neutron absorber rings and an outer casing of aluminum. Two adverse and complementary characteristics of these rods have served to limit the functional reliability of the rods under current and anticipated reactor operating conditions. The construction of the rod presents a relatively high resistance to transfer of heat from the sheath to the cooling water and the neutron to transfer of heat from the sheath to the cooling water and the neutron absorber rings show evidence … continued below

Physical Description

21 p.

Creation Information

Alexander, W. K. & Hutton, P. H. October 11, 1965.

Context

This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 16 times. More information about this report can be viewed below.

Authors

United States. Department of Energy. USDOE, Washington, DC (United States)

Publisher

Hanford Atomic Products Operation
Publisher Info: General Electric Co., Richland, WA (United States). Hanford Atomic Products Operation

Place of Publication: Richland, Washington

Provided By

UNT Libraries Government Documents Department

Serving as both a federal and a state depository library, the UNT Libraries Government Documents Department maintains millions of items in a variety of formats. The department is a member of the FDLP Content Partnerships Program and an Affiliated Archive of the National Archives.

Description

The two small reactors (B and D) currently utilize a flat aluminum horizontal control rod consisting of three cooling tubes surrounded by boron carbide-aluminum neutron absorber rings and an outer casing of aluminum. Two adverse and complementary characteristics of these rods have served to limit the functional reliability of the rods under current and anticipated reactor operating conditions. The construction of the rod presents a relatively high resistance to transfer of heat from the sheath to the cooling water and the neutron to transfer of heat from the sheath to the cooling water and the neutron absorber rings show evidence of significant dimensional increase with high accumulated exposure to neutrons. With poor heat transfer and current reactor operating levels, the rod sheath temperature may exceed that for which aluminum is suited and the material loses its strength by annealing. Swelling of the neutron absorber rings further aggravates the overheating by increasing the cooling tube to ring gap. The net result is a tendency for hot spots to occur in the rod sheath and in the more advanced cases, these develop into e step plug. blisters which cause the rod to bind in the channel and/or the step plug. A new aluminum horizontal control rod (HCR) has been designed to avoid the above problem as a part of Facilities Engineering Section`s program to provide means of alleviating horizontal control rod problems at all of the reactors. The purpose of this Production Test is to authorize installation of a newly designed flat aluminum HCR prototype in HCR channel No. 2 at D Reactor for test.

Physical Description

21 p.

Notes

OSTI as DE94015585; Paper copy available at OSTI: phone, 865-576-8401, or email, reports@adonis.osti.gov

Other Information: DN: Declassified

Subjects

Keywords

STI Subject Categories

Language

English

Item Type

Report

Identifier

Unique identifying numbers for this report in the Digital Library or other systems.

Other: DE94015585
Report No.: RL-REA--2585
Grant Number: AC06-76RL01830
Digital Object Identifier: https://doi.org/10.2172/10168919
Office of Scientific & Technical Information Report Number: 10168919
Archival Resource Key: ark:/67531/metadc1385983

Collections

This report is part of the following collection of related materials.

Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

What responsibilities do I have when using this report?

Creation Date

October 11, 1965

Added to The UNT Digital Library

Nov. 28, 2018, 2:33 p.m.

Description Last Updated

Nov. 12, 2024, 3:01 a.m.

Usage Statistics

When was this report last used?

Yesterday: 0

Past 30 days: 0

Total Uses: 16

Alexander, W. K. & Hutton, P. H. Production Test PT-IP-810 installation of flat aluminum horizontal control rod, D Reactor, report, October 11, 1965; Richland, Washington. (https://digital.library.unt.edu/ark:/67531/metadc1385983/: accessed February 14, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

Production Test PT-IP-810 installation of flat aluminum horizontal control rod, D Reactor

Description

Physical Description

Creation Information

Context

Who

Authors

Sponsor

Publisher

Provided By

UNT Libraries Government Documents Department

Contact Us

What

Description

Physical Description

Notes

Subjects

Keywords

STI Subject Categories

Language

Item Type

Identifier

Collections

Office of Scientific & Technical Information Technical Reports

Digital Files

When

Creation Date

Added to The UNT Digital Library

Description Last Updated

Usage Statistics

Interact With This Report

Search Inside

Start Reading

Citations, Rights, Re-Use

International Image Interoperability Framework

Print / Share

Links for Robots

Archival Resource Key (ARK)

International Image Interoperability Framework (IIIF)

Metadata Formats

Images

URLs

Stats