Industrial Applications of Ultrasonics

Synopsis

Energy of sound waves, range of audible frequencies; ultrasonics in nature (bats and Galton Whistle). Sound generators - loudspeakers, magnetostrictor, quartz transducer. Properties of ultrasonics; rectilinear propagation, focusing and reflection (shown by shadow photography), concentration of energy (by magneto-striction drill); cavitation; emulsification.

Language

English

Country

Great Britain

Medium

Film; Film. 16mm. sd. b&w. 15 min.

Technical information

Black-and-white / Sound

Year of production

1950

Availability

Hire

Notes

Archival interest.

Uses

Introductory courses.*

Subjects

Physics

Keywords

bats; sound waves; ultrasound

Credits

Director

Jack Chambers

Distribution Formats

Type

Film

Format

16mm

Distributor

Name

Higher Education Film & Video Library

Email

services@bufvc.ac.uk

Web

http://bufvc.ac. External site opens in new window

Phone

020 7393 1503

Fax

020 7393 1555

Address

c/o British Universities Film & Video Council
77 Wells Street
London
W1T 3QJ

Notes

Catalogue available from British Universities Film & Video Council.