Natural convection experiments in a liquid-saturated porous medium bounded by vertical coaxial cylinders

PDF Version Also Available for Download.

Description

An experimental effort is presently underway to investigate natural convection phenomena in liquid-saturated porous media utilizing a geometry, and hydrodynamic/thermal boundary conditions, relevant to the problem of nuclear-waste isolation in geologic repositories. During the first phase of this research program, detailed measurements were made of the steady-state thermal field throughout an annular test region bounded by a vertical, constant-heat-flux, inner cylinder and a concentrically-placed, constant-temperature, outer cylinder. An overlying, constant-pressure, fluid layer was utilized to supply a permeable upper surface boundary condition. Results showed the heater surface temperature to increase with increasing vertical distance due to the presence of a ... continued below

Physical Description

Pages: 34

Creation Information

Reda, D.C. January 1, 1983.

Context

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

Who

People and organizations associated with either the creation of this article or its content.

Author

Publisher

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.

Contact Us

What

Descriptive information to help identify this article. Follow the links below to find similar items on the Digital Library.

Description

An experimental effort is presently underway to investigate natural convection phenomena in liquid-saturated porous media utilizing a geometry, and hydrodynamic/thermal boundary conditions, relevant to the problem of nuclear-waste isolation in geologic repositories. During the first phase of this research program, detailed measurements were made of the steady-state thermal field throughout an annular test region bounded by a vertical, constant-heat-flux, inner cylinder and a concentrically-placed, constant-temperature, outer cylinder. An overlying, constant-pressure, fluid layer was utilized to supply a permeable upper surface boundary condition. Results showed the heater surface temperature to increase with increasing vertical distance due to the presence of a buoyantly-driven upflow. The measured temperature difference (..delta..T) between the average heater surface temperature and the constant, outer-surface, temperature was found to be progressively below the straight-line/conduction-only solution for ..delta..T vs power input as the latter was systematically increased. Comparisons between measured results and numerical predictions generated with the finite-element code MARIAH showed very good agreement, thereby contributing to the qualification of this code for repository-design applications.

Physical Description

Pages: 34

Notes

NTIS, PC A03/MF A01.

Source

  • ASME-JSME thermal engineering joint conference, Honolulu, HI, USA, 20 Mar 1983

Language

Item Type

Identifier

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

  • Other: DE82017024
  • Report No.: SAND-82-0793C
  • Report No.: CONF-830301-1
  • Grant Number: AC04-76DP00789
  • Office of Scientific & Technical Information Report Number: 6525842
  • Archival Resource Key: ark:/67531/metadc1205272

Collections

This article 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 article?

When

Dates and time periods associated with this article.

Creation Date

  • January 1, 1983

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

Description Last Updated

  • Sept. 5, 2018, 2:14 p.m.

Usage Statistics

When was this article last used?

Yesterday: 0
Past 30 days: 1
Total Uses: 1

Interact With This Article

Here are some suggestions for what to do next.

Start Reading

PDF Version Also Available for Download.

International Image Interoperability Framework

IIF Logo

We support the IIIF Presentation API

Reda, D.C. Natural convection experiments in a liquid-saturated porous medium bounded by vertical coaxial cylinders, article, January 1, 1983; United States. (digital.library.unt.edu/ark:/67531/metadc1205272/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.