Abstract
Results are given for strain measurements of a real combustion chamber with filling of its volume with air, carbon dioxide, and with explosion of a charge within a water shell. It is shown that use of different media surrounding an explosion charge markedly changes the amount of deformation. Use for treating the measured results of a model for a plane stress-strained state leads to an increase in the maximum stresses by 10–30%. The frequencies of the main construction modes comprising 1.2–1.5 kHz are determined by spectral analysis of the strain profiles, and the relative role of radial and longitudinal vibrations is separated. The estimate for the logarithmic damping decrement for the main harmonics is ∼5–11%.
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