Accession Number:

AD0261415

Title:

DEVELOPMENT OF AN INFRARED INSPECTION TECHNIQUE

Descriptive Note:

Corporate Author:

THIOKOL CHEMICAL CORP HUNTSVILLE ALA

Personal Author(s):

Report Date:

1961-08-07

Pagination or Media Count:

1.0

Abstract:

Research is concerned with the development of a rapid and reliable infrared inspection technique for detecting bo ding flaws in solid propellant rocket motors. It is not the intent of this analysis to investigate the aspects of the radiative heat transfer but to study the various conduction heat transfer phenomena which are manifested as temperature gradients at the motor surface. General solutions to a wide variety of problems were obtained to gain a fundamental understanding of the effects of bonding flaws on surface temperature. To relate the analyses to known conditions, specific probl ms were numerically evaluated a d are presented. To obtain an understanding of the effects o bonding flaw depth on the surface temperature difference, heat conduction through the case, liner, and propellant was analyzed for sound bonding at every interface. For comparison, the temperature resulting from lack of bonding at each of the interfaces as well as the temperature resulting from a void in the propellant were considered. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE