Accession Number:

ADA007157

Title:

Rain Impact Damage to Supersonic Radomes

Descriptive Note:

Final rept. 17 Nov 1971-30 Jun 1974

Corporate Author:

TENNESSEE TECHNOLOGICAL UNIV COOKEVILLE DEPT OF ENGINEERING SCIENCE AND MECHANICS

Report Date:

1974-10-01

Pagination or Media Count:

468.0

Abstract:

The research described has been directed toward a better understanding of raindrop damage to vehicles traveling at very high velocities with emphasis upon the erosion of ceramic-type radomes. An accelerator capable of impacting targets with short water jets at speeds up to Mach 5 is described. The validity of using high-speed liquid jets to simulate raindrop impact is demonstrated. Topics covered include drop energy-crater volume relations oblique and multiple impacts erosion rates internal fracturing and spallation caused by stress waves radome coatings information from rocket sled tests a theoretical analysis of the cratering process motion of raindrops in the supersonic shock layer probability modeling of erosion and spatial and temporal variations of pressure exerted on the target surface by liquid impacts.

Subject Categories:

  • Electrical and Electronic Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE