Book Description

As part of a technology program to investigate the transient heating problems associated with high-speed carriage of conventional stores, an analytical and experimental thermal analysis was conducted on a guided bomb. The objective of this work was to investigate the technology necessary to develop an analytic model from which store internal component thermal response could be generated. In addition, a radiant-heat ground test was conducted on instrumented flight hardware for the purpose of generating experimental data for calibrating the analytic model. A new test technique was developed to simulate the predicted flight heating distribution over the store. The results demonstrate an analytical and experimental approach for predicting store internal component thermal response. Comparison of the analytic model and ground test results shows adequate agreement in the bomb section but a general lack of agreement in sections containing electronic components. This lack of agreement is attributed to the uncertainty in component thermal properties, contact resistance, modeling assumptions, and general complexity of the store hardware. The results illustrate the importance in experimental validation of the analytic model. (Author).