DocumentCode
1188519
Title
Damped Electromagnetic Waves in Hollow Metal Pipes
Author
Melloh, Arthur W.
Author_Institution
Institute of Technology, University of Minnesota, Minneapolis, Minn.
Volume
28
Issue
4
fYear
1940
fDate
4/1/1940 12:00:00 AM
Firstpage
179
Lastpage
183
Abstract
Simple apparatus for the production of damped waves in hollow-pipe wave guides is described. The results of some measurements at free-space wavelengths down to 4.59 centimeters in circular air-filled pipes as small as 2.86 centimeters in diameter show that such apparatus can be successfully employed for the investigation of the properties of hollow-pipe waves. Some data are given which confirm part of a previous theoretical analysis of the behavior of electromagnetic waves in a pipe of elliptical cross section, and a possible method of detecting small deformations in a supposedly circular pipe is discussed.
Keywords
Electric variables measurement; Electrodes; Electromagnetic analysis; Electromagnetic measurements; Electromagnetic scattering; Laboratories; Oil insulation; Production; Resonance; Wavelength measurement;
fLanguage
English
Journal_Title
Proceedings of the IRE
Publisher
ieee
ISSN
0096-8390
Type
jour
DOI
10.1109/JRPROC.1940.228081
Filename
1687132
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