Accession Number:

ADA183128

Title:

Acoustic Reflection from Surfaces and Shapes

Descriptive Note:

Corporate Author:

NAVAL RESEARCH LAB WASHINGTON DC

Personal Author(s):

• Neubauer, Werner G.

Report Date:

1986-06-01

Pagination or Media Count:

395.0

Abstract:

The intent of this book is to make accessible selected reflection- and -reflection-related work of a group that has been conducting such research since approximately 1958. Contents Approximate Formulation of Reflection by the Summation Formula Reflection from a Finite Plane and Experimental Measurement Theory and Demonstration of Creeping Waves Circumferential Wave Interpretations in Cylinder Reflections Layered Elastic Absorptive Cylinders Nonabsorbing and Absorbing Cylinders A Cylindrical Cavity in an Absorptive Medium Elastic Spheres and Rigid Spheres and Spheroids - Transient Signals Absorbing Spheres Longitudinal Waves Incident on an Elastic Spherical Obstacle in Another Elastic Material Rubber Cylinders and Spheres Elastic Cylinders and Spheres at High ka Reflection and Vibrational Modes of Elastic Spheres Resonance Excitation and Sound Scattering Calibration of Acoustic Scattering Measurements Using Sphere Reflections Evaluation of a Bounded Beam Rayleigh and Shear Speed Determination Using Schlieren Visualization Schlieren Visualization of Headwaves on Plates Experimental Facilities Speed of Sound in Fresh Water.

Descriptors:

• *ACOUSTIC ABSORPTION
• *ACOUSTIC REFLECTION
• *ACOUSTIC SCATTERING
• ABSORBERS(MATERIALS)
• ACOUSTIC BEAMS
• ACOUSTIC MEASUREMENT
• ACOUSTIC SIGNALS
• ACOUSTIC VELOCITY
• ACOUSTIC WAVES
• CALIBRATION
• CREEP
• CYLINDRICAL BODIES
• DETERMINATION
• ELASTIC PROPERTIES
• EXCITATION
• FORMULAS(MATHEMATICS)
• FORMULATIONS
• FRESH WATER
• LAYERS
• MEASUREMENT
• REFLECTION
• RESEARCH FACILITIES
• RIGIDITY
• RUBBER
• SHEAR PROPERTIES
• SIGNALS
• SPHERES
• SURFACES
• TRANSIENTS
• VELOCITY
• VIBRATION

Subject Categories:

• Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE