Research Papers in Physics and Astronomy

 

Date of this Version

5-1944

Comments

Aircraft Radio Laboratory, Wright Field, Dayton, Ohio, MEMORANDUM REPORT NO. 167, 31 May 1944 (for Restricted circulation)
In March 1946, this document was declassified and released by the Publication Board as Technical Report PB 6247.

Abstract

Purpose: 1. To examine the conditions for corona at the surface of a wire. This report is a theoretical discussion. No test procedure was used.

Conclusions:
1. Calculation of the gradient at the surface of the fixed-wire liaison antenna (bare copperweld, .040" diameter) on the B-17 airplane indicates that it is of the order of 200 times the gradient measured at the top generating voltmeter.
2. Further work will be done by the Special Devices Branch in an attempt to determine the conditions under which insulated wire goes into corona.



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