Accession Number:

ADA050286

Title:

Ocean - Earth Acoustic Coupling.

Descriptive Note:

Final rept. 1 May-30 Nov 76,

Corporate Author:

WASHINGTON UNIV SEATTLE DEPT OF ELECTRICAL ENGINEERING

Report Date:

1976-11-30

Pagination or Media Count:

35.0

Abstract:

Experimental measurements to investigate the coupling of guided acoustic waves from a liquid layer of tapered depth into a solid substrate were undertaken. Results indicate that efficient coupling from water into a solid material modeling hard rock occurs principally at depths of less than one wavelength. Higher order locally normal modes were found to be converted to lower order modes without significant substrate radiation. The lowest order mode radiated into the solid as a well defined beam. Author

Subject Categories:

  • Physical and Dynamic Oceanography
  • Soil Mechanics
  • Seismic Detection and Detectors
  • Air Breathing Engines (Unconventional)

Distribution Statement:

APPROVED FOR PUBLIC RELEASE