Accession Number:

ADD002989

Title:

Plural Electrode System for Determining the Electrical Parameters of Large Samples of Materials in Situ.

Descriptive Note:

Patent,

Corporate Author:

DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s):

• Bliamptis,Emmanuel E.

Report Date:

1976-08-17

Pagination or Media Count:

7.0

Abstract:

The patent describes a system and method for determining the electrical parameters of large samples of materials in situ. A set of linear electrodes in boreholes forms a square pattern positive and negative electrical potentials on alternate electrodes create symmetry planes which define several cells a given fraction of electrical current leaves an electrode and reaches a corresponding electrode and an impedance characteristic is determined for each cell. The presence of inhomogeneity and anisotropy is reflected by unequal currents in geometrically equivalent cells.

Descriptors:

• *Geophysical prospecting
• *Patents
• Arrays
• Electrodes
• Boreholes
• Electrical properties
• Materials
• Rock
• Soil tests
• Test equipment
• Test and evaluation

Subject Categories:

• Mining Engineering

Distribution Statement:

APPROVED FOR PUBLIC RELEASE